SYNOX YELLOW 4920

SYNOX YELLOW 4920
General description
Pigment

Synox yellow 4920 is synthetic iron oxide Fe(OH)O. 
Synox yellow 4920 has excellent particle size, easy to be dispersed, excellent compatibility character with paint and coating system under the feature of thinner powder. 
Synox yellow 4920 is also used in coil coatings.

Iron oxide pigments, which may be natural or synthetic, have been used as colorants since early humans began painting on cave walls. Natural pigments are derived from several iron oxide minerals: Red pigments are derived from hematite. Yellow and brown pigments — ochres, sierras and umbers — are derived from limonite.

Iron oxide pigments ranging from rusty red, orange and yellow tones to earthy tan, brown and black shades, that offer the tint strength, color purity and light fastness needed for long-lasting performance.

Iron oxide pigments produce vibrant, durable colors in concrete and other cementitious materials. 
Iron oxide pigments are tested and certified to be light-fast, insoluble, and alkali resistant (ASTM C-979). 
This means iron oxide pigments will not deteriorate over time and will be readily visible in the concrete. 
Due to their small size, ten times smaller than cement particles, iron oxide pigments disperse in the mix, embed in the cement matrix, and give the appearance of uniform coloration.

Iron oxide pigments will not affect the strength or workability of concrete when used in standard doses. 
They offer a host of benefits to the concrete contractor, architect, ready mix concrete producer, and manufactured concrete product producer. 
Iron oxide pigments can drastically improve the value of concrete. 
By adding color, concrete is more attractive and provides color-related properties such as solar reflectiveness.


Product name: Yellow 4920
Chemical name: EC name: iron hydroxide oxide yellow (Fe(OH)O) EC number: 257-098-5
CAS name: Iron hydroxide oxide (Fe(OH)O) CAS number: 51274-00-1
C.I.: Pigment yellow 42
REACH Pre-registration number: WN172640-19

Product name: Yellow 4920
Chemical formula: Synthetic iron oxide Fe(OH)O
Type: Yellow iron oxide pigment
Colour index: Pigment yellow 42 (77492)
CAS NO.: 51274-00-1 EC NO.: 257-098-5
Form: Powder
Hue: Bright yellow

51274-00-1 
Name: Iron (III) oxide monohydrate
CAS: 51274-00-1
Molecular Formula: Fe2O3·H2O
Molecular Weight: 177.71

Name    Iron (III) oxide monohydrate
Synonyms    C.I. Pigment Yellow 42
Ferric oxide Yellow
Iron(III) oxide monohydrate
Ironoxidemonohydrateyellow
IRON OXIDE YELLOW
COMPOUND FERRIC GREEN
FERRIC GREEN NO.5605
CAS    51274-00-1
EINECS    257-098-5
51274-00-1 - Physico-chemical Properties
Molecular Formula    Fe2O3·H2O
Molar Mass    177.71 g/mol
Density    2.44~3.60
Melting Point    350~400℃

Iron hydroxide oxide
12022-37-6 [RN]
1310-14-1 [RN]
20344-49-4 [RN]
243-746-4 [EINECS]
Ferric hydroxide oxide
Goethite [Wiki]
Hydroxy(oxo)eisen [German] [ACD/IUPAC Name]
Hydroxy(oxo)fer [French] [ACD/IUPAC Name]
Hydroxy(oxo)iron [ACD/IUPAC Name]
Iron(III) oxide [Wiki]
Iron, hydroxyoxo- [ACD/Index Name]
lepidocrocite
MFCD00064782 [MDL number]
12181-28-1 [RN]
20767-00-4 [RN]
215-176-6 [EINECS]
51274-00-1 [RN]
FeO(OH)
Goethite (Fe(OH)O)
Iron oxide
Iron Pigment Yellow
Iron Pigment Yellow (E172)
Iron(III) hydroxide, α
Iron(III) hydroxide, γ
iron(III) oxide-hydroxide
Iron(III) oxyhydroxide
yellow iron oxide
氢氧化铁 [Chinese]


Appearance: Yellow powder.
Odour: Odourless
Important health, safety and environmental information
PH Value (10g/l water): 3.5-8.0


Colour difference in paints :
Mass tone ∆EabL max 1.0
Test method:ISO787/1
Tint-tone ∆EabL max 1.0
Test method:ISO787/16
Relative tinting strength (%) min 95 max 105
Test method:ISO787/16
Colour difference in cement : ∆Ecmc max 1.5
 3 % Concentration in cement

Relative tinting strength (%) min 95 max 105

Technical data
Fe2O3 content (%) min 85
Test method:ISO1248/8
Moisture (%) max 1.0
Test method:ISO787/2
Water soluble salts (%) max 0.3
Test method:ISO787/3
Sieve residue on 45µm mesh (%) max 0.3
Test method:ISO787/7
pH value min 3.5 max 8.0
Test method:ISO787/9
Oil absorption min 30 max 45
Test method:ISO787/5
Density (g/cm3) approx. 4.0
Test method:ISO787/10
Apparent density (g/cm3) approx. 0.6
Test method:ISO787/11
Particle shade predominantly acicular

Average particle size (µm) approx. 0.1 x 0.8


Bayferrox 920
This substance is identified in the Colour Index by Colour Index Constitution Number, C.I. 77492.

C.I. Pigment Yellow 42
This substance is identified in the Colour Index by Colour Index Constitution Number, C.I. 77492.

Ferric oxide Yellow
This substance is identified in the Colour Index by Colour Index Constitution Number, C.I. 77492.

Iron hydroxide oxide yellow
EC Inventory
Iron hydroxide oxide Yellow
This substance is identified in the Colour Index by Colour Index Constitution Number, C.I. 77492.

iron hydroxide oxide yellow
This substance is identified in the Colour Index by Colour Index Constitution Number, C.I. 77492.

Iron oxide yellow
This substance is identified in the Colour Index by Colour Index Constitution Number, C.I. 77492.
Cosmetic Products Regulation, Annex IV - Allowed Colorants
CAS names
C.I. Pigment Yellow 42

IUPAC names
ALPHA-IRON(III) OXIDE

ALPHA-IRON(III) OXIDEC.I. Pigment Yellow 42
Ferric oxide Yellow
Iron (III) oxide monohydrate
Iron Hydroxide Oxide
Iron Hydroxide Oxide Yellow
Iron hydroxyde oxide
iron III hydroxide oxide
Iron Oxide Hydroxide
Iron Oxide Yellow 4420
Iron oxy hydroxide
iron three hydroxide oxide
iron(3+) ion oxidanide oxidandiide
iron(3+);oxygen(2-);
hydroxide;
hydrateIron(III) oxide-hydroxide

C.I. Pigment Yellow 42
Iron (III) hydroxide oxide
Iron (III) oxide monohydrate
Iron hydroxide oxide
iron hydroxide oxide
Iron Hydroxide Oxide
Iron hydroxide oxide
iron hydroxide oxide
Iron hydroxide oxide yellow
iron hydroxide oxide yellow
Iron Hydroxide oxide yellow
Iron hydroxide oxide yellow
iron hydroxide oxide yellow
iron III hydroxide oxide
Iron oxide hydroxde
Iron Oxide Hydroxide
iron oxide hydroxide
Iron Oxide Yellow
Iron Oxide Yellow 4420
Iron oxy hydroxide
iron three hydroxide oxide
Iron(3+) hydroxide oxidandiide
iron(3+) hydroxide oxidandiide
iron(3+) hydroxide oxide (1/1/1)
iron(3+) ion oxidanide oxidandiide
iron(3+);oxygen(2-);hydroxide;hydrate
Iron(III) oxide-hydroxide
iron(III) oxide-hydroxide
YE 6420A
Yellow Iron Oxide
Yellow iron oxide

Trade names
Bayferrox
C.I. 77492
C.I. Pigment Yellow 42
CathayCoat Yellow
CathayCoat Yellow Iron Oxide
CathayPure Yellow
CathayPure Yellow Iron oxide
Colortherm
FerroTint Yellow
FerroTint Yellow Iron Oxide
Ferroxon Yellow
GEH
iron hydroxide oxide
iron hydroxide oxide yellow
Iron oxide yellow
Iron(III)oxide hydroxide
Lavanya Sooraj / Yellow Iron Oxide
ossido di ferro giallo
ossido di ferro giallo sintetico
Piirox GC913
Piirox® A920
Piirox® I913
Piirox® K910M
PJ 920
Procter Johnson Yellow Iron Oxide
Spectrum Yellow
Spectrum Yellow Iron Oxide
Sumicos Yellow 2213C
synthetic yellow iron oxide
TAROX IRON OXIDE LEMON
TAROX IRON OXIDE LL-100DK
TAROX IRON OXIDE LL-100HP
TAROX IRON OXIDE LL-100P
TAROX IRON OXIDE LL-50
TAROX IRON OXIDE LL-XLO
TAROX IRON OXIDE OCHER 1P
TAROX IRON OXIDE STN-1
TAROX IRON OXIDE YM1100
Yellow iron oxide
Yellow iron oxide 313
Yellow pigment G-1
Yellow Pigment G-2
Other identifiers


Ferric oxide; 1309-37-1
Iron Oxide Red
Sienna
Red Ochre
Purple ochre (particle size is greater than Red Ochre)
Fe2O3
Anhydrous iron oxide
Iron(III) oxide
Hematite (alpha form)
Maghemite (gamma form)
C.I. Pigment Red 101 and 102

Venetian red    
1309-37-1    
Iron Sesquioxide
Fe2O3
Derived from nearly pure ferric oxide (Fe2O3) of the hematite type


Magnetite    
1309-38-2    
Iron Black
Fe3O4
Microsphere mineral form
Iron oxide (Fe3O4)


Goethite    
1310-14-1    
FeO(OH)
Iron bearing oxide mineral


Blood stone    
1317-60-8
Hematite
Fe2O3
Iron Ore


Natural Red Oxides    
1317-60-8
Fe2O3
C.I. Red 102

Ferrosoferric oxide    
1317-61-9    
Iron oxide (Fe3O4)
Iron(II,III) oxide
Triiron tetraoxide
Ferrous ferric oxide
Magnetite
lodestone


Iron oxide    
1332-37-2    
Synthetic iron oxide


Raw Sienna    
1343-81-3
FeO-OH
Clay earth pigment
Pigment Yellow 43

Ferrous oxide    1345-25-1    
Iron oxide (FeO)
Iron(II) oxide
Iron monoxide
Wüstite


Calamine    
8011-96-9    
Mix[Iron oxide (Fe2O3), zinc oxide]

Iron sucrose    
8047-67-4    
Succharated ferric oxide


Burnt Sienna    12000-57-6    
Iron Oxide Hydroxide Brown
C.I. 77491, 77492, 77499


Hydrous ferric oxide    12259-21-1    
Iron oxide (Fe2O3) Hydrate
Ferrox


Iron oxide    12411-15-3    
Iron oxide (FeO2)


Raw Umber    12713-03-0    
FeO-OH, Clay earth pigment
C.I. Pigment Brown 7

Mummy brown    12713-03-0    
Intermediate in tint between burnt umber and raw umber
C.I. Pigment Brown 7


Burnt Umber
12713-03-0    
Fe2O3
Clay earth pigment
C.I. Pigment Brown 7


Chromium iron oxide    12737-27-8    
Chrome black
Iron chromate


Hydrated ferric oxide    20344-49-4    
Iron hydroxide oxide (Fe(OH)O)
Iron hydroxide oxide


Copper iron oxide    37220-43-2    
CuFe2O4
Copper diiron tetraoxide

Ferrihydrite    39473-89-7    
An antiferromagnetic material
Constitutes the core of natural ferritin
5Fe2O3.9H2O

Ferric oxide Yellow    51274-00-1    
C.I. 77492
Yellow Ochre
Fe2O3·H2O
Iron Oxide Hydrated
Brown ochre (partially Hydrated)
C.I. Pigment Yellow 42

Iron oxide brown    52357-70-7    
C.I. 77491, 77492 and 77499
C.I. Pigment Brown 6
MIX(Fe2O3/FeO-OH/Fe3O4)

Dichromium copper diiron heptaoxide    55353-02-1    
Chromium copper iron oxide (Cr2CuFe2O7)
Fast Black 100


Mixed iron oxides    64294-91-3    
Pigment Yellow 43


Iron Manganese Ferrites
68186-94-7
(Fe,Mn)(Fe,Mn)2O4
C.I. Pigment Black 26


Zinc ferrite brown spinel    
68187-51-9
Tan-Zinc Ferrite
C.I. 77496.
Pigment Yellow 119.
TSCA Definition 2008: An inorganic pigment that is the reaction product of high temperature calcination in which iron (II) oxide, iron (III) oxide, and zinc oxide in varying amounts are homogeneously and ionically interdiffused to form a crystalline matrix of spinel. 
Its composition may include any one or a combination of the modifiers Al2O3, NiO, SiO2, InO2, or TiO2.


Indian red    90452-21-4    
Fe2H2O4
Chestnut color
C.I. Pigment Red 101


Caput mortuum    90452-21-4    
Fe2H2O
Cardinal purple


Ferumoxides    119683-68-0    
Mossbauer Spectroscopy Fe(II) and Fe(III) are present
MR contrast agent; Oral Magnetic Particles (OMP) is composed of ferrite crystals supported on a resin carrier particle made of a monodisperse nonbiodegradable polymer
Ccoated with bacterial dextran to stabilize the iron oxide core


Ferumoxsil    171544-35-7    
Gastromark
Siloxane-coated superparamagnetic iron oxide


Ferumoxtran-10    189047-99-2    
A superparamagnetic iron oxide (a mixed iron Fe(II) and Fe(III) oxide) covered with low molecular weight dextran (dextran T-10).
The iron oxide is a superparamagnetic form of a non-stoichiometric magnetite which is 43-60 A in diameter. In solution, a colloidal particle has a Stokes diameter of 170 to 210 A by size exclusion chromatography. The colloidal particle consists of crystals of iron oxide with a covering of dextran (60-75 A thick).

Ferumoxytol    722492-56-0    
Ferrosoferric Oxide
A superparamagnetic iron oxide nanoparticle coated with a low molecular weight semi-synthetic carbohydrate, polyglucose sorbitol carboxymethyl ether

Iron Oxide Orange
Mix(Iron Oxide Yellow/Iron Oxide Red)


Iron Oxide Green
Mix[Iron Oxide Yellow/organic pigments(Phthalocyanine Blue)]


Transparent Iron Oxides
Nanoparticles of synthetic iron oxides used for automotive paints and woodstains

Dark Sienna    
Brown Iron Oxide
C.I. 77491, 77492

 

Nanoparticles of synthetic iron oxides used for automotive paints and woodstains


 

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