ChemicalBook Product Catalog Dyes and Pigments dye Direct Dyes Direct Yellow 12

Direct Yellow 12

Direct Yellow 12 Basic information
Product Name:Direct Yellow 12
Synonyms:abcol direct yellow 4 ra;Direct yellow 12 (C.I. 24895);Atul Direct Fast Yellow GCH;Diazine Yellow CP;Direct Brilliant Yellow 4R;Direct Yellow GK;Kayaku Chrysophenine;Mitsui Chrysophenine G
CAS:2870-32-8
MF:C30H29N4NaO8S2
MW:660.69
EINECS:220-698-2
Product Categories:Organics;Stilbenes;Dyes and Pigments
Mol File:2870-32-8.mol
Direct Yellow 12 Structure
Direct Yellow 12 Chemical Properties
Melting point >300°C
storage temp. Amber Vial, Refrigerator, Under inert atmosphere
solubility DMSO (Slightly), Methanol (Slightly), Water (Slightly)
Colour Index 24895
form Solid
color Orange to Dark Orange
Stability:Light Sensitive
EPA Substance Registry SystemC.I. Direct Yellow 12 (2870-32-8)
Safety Information
WGK Germany 3
TSCA Yes
HS Code 2927.00.5000
MSDS Information
ProviderLanguage
C.I. 24895 English
SigmaAldrich English
Direct Yellow 12 Usage And Synthesis
Chemical Propertiesorange crystalline powder
UsesA diazo stilbene dye
Properties and Applications

TEST ITEMS

SPECIFICATION

APPEARANCE

YELLOW

LIGHTING

4

SOAPING

3-4

PERSPIRATING

3-4

FRICTION(DRY)

4-5

FRICTION(WET)

3

RESIDUE ON 80 MESH

5.0% max

WATER SOLUBILE

1.0% max

VOLATITE 105°C

1.0% max

TINTING STRENGTH

100-105 %

WEIGHT METAL TOTAL

50ppm max

BRILLIANT YELLOW 4-AMINOSTILBENE 4,4'-DIAMINOSTILBENE DIHYDROCHLORIDE Phenetidine 4,4'-Diamino-2,2'-stilbenedisulfonic acid o-Toluenesulfonic acid, sodium salt 4-METHOXYAZOBENZENE Direct Yellow 12 Benzenesulfonic acid, 2-methyl-5-nitro-, alk. cond. products, oxidized STILBENE TRANS-STILBENE 4-PHENYLAZOPHENOL Benzenesulfonic acid, 2-methyl-5-nitro-, alk. cond. products, reaction products with formaldehyde 5-Amino-2-methylbenzenesulfonic acid Direct TRANS-4-AMINOSTILBENE Ethylenediaminetetraacetic acid disodium salt Phosphorus
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