Pigment Lemon Chrome = Pigment Yellow 34 = PY34 = Lemon Chrome

CAS Number: 1344-37-2
EU Number: 215-693-7
Molecular Formula: PbCrO4
Molecular Weight: 323.19
Product Name: pigment yellow 34
Trade Name: Lemon chrome yellow

Lemon Chrome is a monoclinic Lead Chromate material. 
A special property is the high purity of shade and a cleaner Full Tone. 
Pigment Lemon Chrome is highly stabilized and offers very good fastness to light and weathering and therefore is extensively used in top-quality Synthetic Enamels. 
Special types for Inks and Plastics are available in Lemon Chrome. 
Pigment Lemon Chrome offers very good dispersion behaviour in Inks media and Polymeric Plastic Master Batch Manufacturing process.
PY34 Chrome Yellow pigments offer bright yellow shades (middle, lemon and primrose) that are opaque to visible light. Properties include ease of dispersion with excellent dimensional stability resulting in no warping or shrinkage.
Lemon chrome yellow 501 is greenish shade yellow powder, it cannot be dissolved in water and oils, but dissolved in alkali solutions and inorganic acids, reaction with hydrogen sulfide. 
Lemon chrome yellow 501 owns brilliant color, high tinting strength and hiding power.
Uses of Pigment Lemon Chrome:For coating, printing ink, plastics rubber, culture and education, etc.

Lemon Chrome is used for Gravure, Flexo, Sheet-fed Offset, Web Offset, Newspaper, UV and Screen
We hold immense expertise in catering to the variegated requirements of the customers by bringing forth a remarkable Lemon Chrome Pigment. 
Our offered lemon chromes are formulated using inorganic pigments that are widely used in in plastic and coating paints. 
In addition, these lemon chromes are tested on various characteristics like purity and composition to ensure flawlessness.
Lemon Chrome Yellow is a bright yellow pigment. 
Pigment Lemon Chrome is most commonly used in offset ink and industrial paint applications. 
Pigment Lemon Chrome has a heat resistance of 180°C and a pH value of 6.5-7.5.
Pigment Lemon Chrome is a Synthetic lead chromate. 
Pigment Lemon Chrome is a yellow colored inorganic pigment. 
Pigment Lemon Chrome exhibits heat resistance.

Pigment Lemon Chrome provided by us are precisely processed at our premises with the help of superior quality of chemical compounds that are sourced from the reliable vendors of the industry. 
In order to ensure their quality at our clients' end, our quality examiners strictly test these chemicals on varied parameters. 
Purity, enhanced shelf life and effectiveness are their features. 
Additionally, our provided chemicals are largely used in the textile industry for the dyeing purpose of fabric.
We are extremely engaged in offering an extensive range of Lemon Chrome Pigment. 
Pigment Lemon Chrome are processed under the direction of dexterous professionals in compliance with worldwide industry principles.
Lemon chrome yellow 501 is recommended to be used in paints and coatings, industrial paints, marine coatings, aviation coatings, architectural coatings, construction machinery coatings, shipping container coatings, plastics, functional master batches, artificial leather.

Chrome yellow, chemical name lead chromate, yellow or orange yellow powder.
The density was 6.12g/cm3 and the melting point was 844℃.
Insoluble in water, oil and acetic acid, soluble in strong base and inorganic strong acid.
Pigment Lemon Chrome turns black in the presence of hydrogen sulfide and orange-red in the presence of alkali.
Strong tinting and covering power.
Cannot be Shared with Lidex and Cyan.
Pigment Lemon Chrome Commonly used as a colorant, it is a human carcinogen and may accumulate biologically along the food chain.
The color ,Pigment Lemon Chrome,  light varies with the ratio of raw materials and the preparation conditions. 
There are five kinds of orange chrome yellow, deep chrome yellow, medium chrome yellow, light chrome yellow and lemon yellow. 
Pigment Lemon Chrome is mainly used as a pigment for oil-based synthetic resin coatings, printing inks, watercolours and oil colours, as a colorant for coloured paper, rubber and plastic products.

Pigment Lemon Chrome known commonly as "lemon yellow" could consist of barium chromate, strontium chromate, or a mixture of lead chromate with lead sulphate. 
The preparation was described by Vauquelin in 1809, but some years seem to have passed before it was produced commercially. 
During the nineteenth century, it was often mixed with strontium chromate, and the name 'lemon yellow' was liable to be used for barium chromate, strontium chromate and a mixture of the two.  
Pigment Lemon Chrome's a stable yellow with low hiding power.
Usage of Pigment Lemon Chrome Rubber Pigment, Plastic Pigment, Ink Pigments, Cosmetic Pigment

Excellent purity
Nominal prices
Longer shelf life
Eco friendliness
Precise pH value
Easy to apply
Brilliant shades
Better alkali stability
Excellent dyeing properties
Longer shelf life

Chrome yellow is a yellow pigment made by adding a soluble lead salt (nitrate or acetate) to a solution of alkali chromate or dichromate. 
Pigment Lemon Chrome is a crystalline mineral consisting of lead(II) chromate that can vary in hue from primrose yellow to orange, depending upon the particle size, which, in turn, depends on the conditions of precipitation. 
Lighter hues, such as chrome yellow primrose, usually contain lead sulfate, or other insoluble lead salts. 
The middle hues are neutral lead chromate, and the orange chromes are basic lead chromate. 
Pigment Lemon Chrome consists of very fine particles that are dense and opaque.

Appearance: Lemon powder, It is Bright color, strong tinting strength,high hiding with  good light fastness and dispersibility.
Main Application: solvent based paint: Alkydresin, Amino-baking, N/C , Epoxy; Plastic: Masterbatch, cable material, plastic pipeand plastic film and sheet etc.
Suggested for polyurethane paint,architectural coatings, water based coatings, color paste, leather, stationery and rubber.

Chrome yellow is lead(II) chromate (PbCrO4). 
Pigment Lemon Chrome occurs naturally as the mineral crocoite but the mineral ore was never used as a pigment for paint. 
After the French chemist Louis Vauquelin discovered the new element chromium in 1797 lead chromate was synthesized in the laboratory and used as a pigment beginning in the second decade of the nineteenth century.
Chrome yellow had been commonly made by mixing solutions of lead nitrate and potassium chromate and filtering off the lead chromate precipitate.
The pigment tends to react with hydrogen sulfide and darken on exposure to air over time, forming lead sulfide, and it contains the toxic heavy metal lead plus the toxic, carcinogenic chromate. 
For these reasons, it was replaced by another pigment, cadmium yellow (mixed with enough cadmium orange to produce a color equivalent to chrome yellow). 
Darkening may also occur from reduction by sulfur dioxide. Good quality pigments have been coated to inhibit contact with gases that can change their color.

Under the strict supervision of our skilled professionals, we are exporting, manufacturing and supplying premium quality of Lemon Chrome (Yellow 34) Pigment in Vapi, Gujarat, India. 
Highly demanded in the market for their remarkable quality and long shelf life, our offered products are precisely processed using premium quality ingredients and progressive techniques. 
We ensure the quality of Pigment Lemon Chrome by testing them properly on various parameters. 
Pigment Lemon Chrome can be availed from us in different packaging options at budget friendly prices.

The invention discloses a method for preparing lemon chrome yellow pigment, which comprises the following steps: 
firstly, adding lead nitrate solution into a combination barrel, adding water into the combination barrel to dilute the lead nitrate solution to a certain specific gravity, heating the solution while stirring, and then adding mixed solution consisting of sodium carbonate and sodium hydroxide into the combination barrel; and in addition, adding sodium dichromate solution, sodium sulfate solution and stabilizing agent into a mixing barrel, diluting the mixture, then adding the mixture into the combination barrel, reacting the mixture for 15 to 20 minutes, performing stabilizing treatment and light resistant treatment for the mixture by sodium sulfate, sodium stannate, aluminum sulfate and the like to form lemon pigment suspension, and filtering, rinsing and drying the lemon pigment suspension to obtain a product. 
Pigment Lemon Chrome produced by the method has fresh color, high tinting strength and good light resistance.
We offer superior quality Lemon Chrome Pigment that is used in coating, plastic, PVC leather, liquid ink and various other industries. 
Brilliant heat resistant property, our Deep Lemon Chrome Pigment is photo chemically stabilized.
Pigments are sub classified intoChromes and Anticorrosive Pigments, Chromes are prepared by reaction with Sodium Bi-Chromate, Lead Nitrate called Lead Chromate and Anticorrosive Pigments contains Zinc Chromate, Zinc tetroxychrome, Zinc Phosphate.
We also have special grade of Middle Chrome Pigment which is used for road marking
Pigment Lemon Chrome range includes a wide range of middle chrome pigment, inorganic pigment, inorganic chrome pigment, chrome pigment, lead chrome pigment and lemon chrome pigment.

When chrome yellow was first introduced as a pigment in the early part of the nineteenth century, it provided a bright, opaque yellow on the artists’ palette. 
However, Pigment Lemon Chrome suffered a flaw in its original form—it darkened upon exposure to light.
Chrome yellow enjoyed a brief history of widespread use among nineteenth century artists, such as Turner, Manet, Cézanne, Monet, and Pissarro. 
Cézanne, like Pissarro and Monet, used the neutralizing effect of combining three primary colors—ultramarine, vermilion and chrome yellow—to make colored grays.
Pigment Lemon Chromes popularity soon faded because a more stable opaque pigment, cadmium yellow, was introduced by the middle of the century.
The Impressionists’ highly complex paint mixtures of primaries were solutions to the problems of rendering plein air light effects and modeling forms in space. 
Equivalents were sought in material colors for the effects of light because they realized ‘sunlight cannot be reproduced, but it must be represented.’ 
Pigment Lemon Chrome is not so much the brilliance of each individual color that produces a high key picture as the juxtaposition of certain colors, so that they enhance each other’s color and brightness. 

Lemon chrome yellow, molecular formula 3PbCrO4·2PbSO4+Al(OH)3+AlPO4. 
Lead chromate content is not less than 50%, bright color, with green phase, good gloss, with blue pigment can be matched into bright emerald green, color equivalent to 10G. 
Light resistance up to grade 4 ~ 5. Heat resistance: 140℃. Water permeability, oil permeability for 1. 
Acid and alkaline resistance is grade 3. Soluble in lye, inorganic acid, insoluble in water, insoluble in oil. 
Pigment Lemon Chrome Mainly used in paint, ink, plastic, rubber and other industries.

Pigment Lemon Chrome Known as a renowned entity in this field, we are engaged in providing premium quality Inorganic Color Chrome Pigment. 
Our adroit professionals prepare this product using basic chemicals and latest machines at well-equipped premises. 
Pigment Lemon Chrome Widely used in cosmetic, plastic, textile, garment and paper industries, the provided product is used as color pigment in a different products such as apparels, toys, shoes etc. 
In addition, we provide Pigment Lemon Chrome in moisture proof packaging options.

Lemon Chrome L-21 is a monoclinic Lead Chromate material. 
A specialproperty is the high purity of shade and a cleaner Full Tone. 
Pigment Lemon Chrome is highly stabilized and offers very good fastness to light and weathering and therefore is extensively used in topquality Synthetic Enamels.

Product name: Lemon Chrome Yellow 501
C.I. No.: 77600
Color Index: Pigment Yellow 34
CAS RN NO.: 1344-37-2
EINECS NO.: 215-693-7
Color Index Name Pigment Yellow 34
Code No. SC/L - 5010
Substance Name Lead Sulfochromate Yellow
Pigment Description Co-PrecipitedLead Chromate and
Lead Sulphate
Color Index No. 77603/77600
CAS No. 1344‐37‐2/7758‐97‐6
EINECS No. 215-693-7 
Physical State Solid
Appearance Yellow Powder
Odor None
Specific Gravity (Water=1) 5.5 ‐ 6.0
Opacity Opaque/Semi‐Opaque
Total Lead Content 65% Min
Water Soluble 1% Max.
Sieve Residue (300 Mesh/44 micron) Max. 0.5 %
Oil Absorption 25 ‐30 W/W
Bulk Density 0.9 – 1.1
pH 6.5 ‐7.50
Moisture Content 1% Max.
Chemical Stability Stable 

Lemon Chrome Pigment is a yellow colored powder which belongs the group of inorganic compounds used in various industries to impart color over various types of surfaces. 
Pigment Lemon Chrome can also be used for different kind of printing which includes web offset, newspaper, gravure, flexo, sheet-fed offset, UV and Screen. 
The offered Lemon Chrome Pigment gives good heat resistance and has a pH value in between 5 to 8. 
Pigment Lemon Chrome can be used in manufacturing of polyurethane paints, architectural coatings, color paste, rubber, cable material, plastic pipe water based coatings and many more.

Lemon Chrome Pigment is used to impart color in various types of compounds. 
Pigment Lemon Chrome is formulated by utilizing supreme quality chemicals and innovative technology. 
Broadly commended for Pigment Lemon Chromes seamless finish, Pigment Lemon Chrome is hugely valued and applauded all over the country. 
The offered pigment is available in numerous colors and other related specifications for our clients. 
In addition to this, Lemon Chrome Pigment  can be obtained from us at the most reasonable rate.

Eye Contact: In case the pigment comes into contact with eyes, it may cause irritation. 
In this case flush eyes thoroughly with water for at least 15 minutes. 
If irritation persists, consult your physician.
Skin Contact: In case pigment comes into contact with skin, it may cause irritation. 
In which case wash skin with soap and water. 
Remove severely contaminated clothing and clean before reuse. 
Seek medical attention if irritation persists.
Inhalation: In case the pigment is inhaled and causes respiratory difficulty, proceed to area of fresh air. 
Get medical attention if necessary.
Ingestion: In case the pigment is ingested, it is not considered to be toxic. 
If swallowed, dilute with water and induce vomiting. 
Never give fluids or induce vomiting to an unconsciousperson or person having convulsions. 
Seek medical attention immediately this case.

Recommended for coating,alkyd paint and plastic.
High opaque and good covering with low price is very good for alkyd paint,like road marking paint,Machinery coatings,marine paint,antiseptic paint etc.
The color shade grades we have from Lemon chrome yellow,light chrome yellow,medium chrome yellow and deep chrome yellow.
Same time,different color strength grade we can also supply and we would like to receive your STD sample.

Synonyms and Related Terms
Pigment Yellow 34; CI 77600; Chromgelb (Deut.); jaune de chrôme (Fr.); giallo cromo (It.); amarillo de cromo (Esp.); amarelo de crómio (Port.); Paris yellow; king's yellow; Vienna yellow; lemon yellow; jonquil chrome yellow; Cologne yellow; Leipzig yellow

Chrome yellow is a yellow pigment made of lead(II) chromate(PbCrO4). 
Pigment Lemon Chrome was first extracted from the mineral crocoite. 
The color range is lemon, light, orange, medium and deep chrome yellow. 
Pigment Lemon Chrome is gloss, bright color shade and excellent hiding power,mainly used for producing coating, paints, inks, plastic, rubber etc.
Chemical formula: PbCrO4.xPbSO4.yAl(OH)3

A toxic yellow artist's pigment containing Lead chromate sometimes mixed with Lead sulfate. 
Lead chromate can range in shade from lemon yellow to orange depending on its particle size, hydration state, and percent lead chromate. 
Chrome yellow, which came on the market in early 1800s, is permanent to visible light, but can darken with exposure to UV radiation or Hydrogen sulfide. 
Chrome yellow is used in industrial paints, some artist's paints and ceramic glazes.

Other yellow chromate pigments are sometimes also called chrome yellow. 
Strontium chromate, zinc chromate, and Barium chromate are pale yellow pigments that are often mixed and called lemon yellow. 
Strontium chromate has more hiding power than the barium chromate. Zinc yellow is synthetically prepared zinc chromate. 
The pure material is stable and is used in oil and watercolor paints.

Chrome yellow pigments were invented in the early nineteenth century, with hues ranging from lemon-yellow to deep orange-yellow depending on the composition and crystal structure of the pigment. 
Chrome yellow can be denoted with the general formula PbCr1−xSxO4 (0 ≤ x ≤ 0.8). 
Chrome yellows that do not contain any sulphate (x = 0) are medium yellow in colour and have a monoclinic crystal structure, while the more orange-yellow varieties contain some chrome orange (Pb2CrO5) in addition. 
The lighter varieties show variable amounts of sulphate and might exist in both the monoclinic and orthorhombic crystal structure, the latter becoming favorable when higher amounts of sulphate are present 
Manufacturer of a wide range of products which include 306 middle chrome pigment powder, prime rose chrome pigment powder, 305 lemon chrome pigment powder, 307 scarlet chrome pigment powder and scarlet chrome.

Composition PbCrO4
CAS 7758-97-6
Melting Point 844
Density    5.96 - 6.3
Molecular Weight mol. wt. = 323.2
Refractive Index 2.31; 2.49
Specification Value
Appearance Yellow powder
Tinting Strength, % 95-105
Content of Water Soluble, % 1.0 max.
Residue (325 mesh sieve), % 1.0 max.
pH value 6.0-9.0
Shade Greenish
Oil Absorption, % 22 max.
Heat Resistance, °C 180
Light Fastness 5-6
Weather Resistance 3-4
Acid Resistance 2-3
Alkali Resistance 2-3
Product Name: LEMON CHROME YELLOW 740 (PY34,1706)
Code: PY34-L740
C.I.NO.: 77600
CAS NO.: 1344-37-2
EINECS NO.: 215-693-7
Molecular Weight:323.22
Chemical Formula: PbCrO4
Colour Index No. 77600 to 77603
Colour Index Pigment No    Yellow 34
Oil Absorption 21
Specific Gravity 5.4
Bulk Density 1
Opacity    Opaque
Solubility Insoluble in Linseed Oil, water & common solvents, slightly soluble in 5 % alkali, 5% HCl
Packing    25 Kg Bags

Lemon Chrome is the yellow pigment that is used in various applications. 
The Lemon Chrome Yellow that we supply in the market is known for its purity and efficient performance. 
Our lemon chrome is noted for its heat and sulpher resistant proprieties as well as its weather fastness. 
Lemon chromes are commonly used in various industries like plastic, paint coating etc. 
These chromes are supplied after going through stringent quality control testing. 

AD-74 – Chrome yellow with a conventional middle yellow shade
AD-81 – Chrome yellow with a conventional lemon yellow shade
AL-90 – Chrome yellow with a conventional primrose yellow shade
AR-73 – Chrome yellow -resistant middle yellow
ARS-82 – Chrome yellow resistant lemon yellow
Nubiterm AK-74 – Chrome yellow with high heat fastness, middle yellow
Nubiterm AK-81 – Chrome yellow with high heat fastness, lemon yellow

Lead chrome pigments are isomorphous blends of lead chromate with lead sulphate, the composition of which corresponds to the formula PbCrO4- n PbSO4l, where n can be within the range from 0 to 2.
Additionally, the chrome pigments can contain modifying additives [А1(ОН)3, Ti(OH)4, surfactants, etc.].
The color of the chrome pigments varies from yellow to light lemon yellow; under otherwise equal conditions, the more is the РbСrО4 content, the more yellow are chrome pigments.
The chrome pigments can crystallize in both rhombic and monoclinic systems, the latter being more stable. While having the same chemical composition, lead chromates and sulphochromates crystallizing in rhombic system are considerably lighter and finer grained than those crystallizing in monoclinic system.
Specific surface: 16–30 m2/g, refraction index: 2.7, particle size: 0.2 to 2–3 μm, particle shape: granular or needle-shaped, aqueous extract рН: 5.0-7.0.
The chrome pigments are hydrophobic, insoluble in water and organic acids, but soluble in hydrochloric and nitric acids.
They redden under the action of alkalis (basic lead chromates are formed) and darken under the action of H2S (PbS is formed); therefore the chrome pigments must not be mixed with sulphur-containing pigments.
The thermal stability of the chrome pigments is up to 90°C; their light resistance is rather low.
In oily coatings, the chrome pigments change their ground tint with the course of time: they become green (Sg6+–► Sg3+) and dark due to formation of lead peroxide compounds.
The chrome pigments are weather and corrosion resistant, and have high coverage rates.
The chrome pigments of monoclinic modification have better light resistance and covering power and relatively lower dispersion and coloring power than the chrome pigments of rhombic modification.
The most common methods of production of lead chrome pigments are the followings: sedimentation from the basic lead acetous and nitric compounds, continuous method of producing the chrome pigments from Рb metal as well as from yellow lead monoxide and chromic anhydride.
Although lead sulphate crystallizes in the same two systems as lead chromate does, its stable form is the rhombic modification. 
Therefore, introduction of lead sulphate into the composition of the chrome pigment increases the stability of rhombic modification of lead chromate in isomorphous blend.
In addition, the following additives are recommended to introduce when synthesizing the chrome pigments to stabilize the rhombic modification of lead chromates and sulphochromates: lead phthalate, aluminum hydroxide, titanium hydroxide and some surfactants.

Product Name:Chrome Yellow C6134
Color Index:Pigment Yellow 34
CAS No.:1344-37-2
Chemical Group:Chrome series
CAS No 1344-37-2
EINECS No 215-693-7
Chemical Name Pigment Yellow 34

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