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Direct Yellow 12

Direct Yellow 12 Suppliers list
Company Name: J & K SCIENTIFIC LTD.  
Tel: 18210857532 18210857532
Email: jkinfo@jkchemical.com
Company Name: Meryer (Shanghai) Chemical Technology Co., Ltd.  
Tel: 4006356688 18621169109
Email: market03@meryer.com
Company Name: 3B Pharmachem (Wuhan) International Co.,Ltd.  
Tel: 18930552037
Email: 3bsc@sina.com
Company Name: TCI (Shanghai) Development Co., Ltd.  
Tel: 021-67121386
Email: Sales-CN@TCIchemicals.com
Company Name: Energy Chemical  
Tel: 400-0056266
Email: sales8178@energy-chemical.com

Direct Yellow 12 manufacturers

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)
form Solid
Colour Index 24895
color Orange to Dark Orange
λmax389 nm
ε(extinction coefficient)≥29000 at 389-401nm in water at 0.02g/L
Stability:Light Sensitive
Major Applicationdiagnostic assay manufacturing
hematology
histology
Cosmetics Ingredients FunctionsHAIR DYEING
InChIKeyBFMGWSCDIBELQN-BHHUATOHSA-N
SMILESC(C1C=CC(/N=N/C2C=CC(OCC)=CC=2)=CC=1S(O)(=O)=O)=CC1C=CC(/N=N/C2C=CC(OCC)=CC=2)=CC=1S(O)(=O)=O.[NaH]
EPA Substance Registry SystemC.I. Direct Yellow 12 (2870-32-8)
Safety Information
WGK Germany 3
TSCA TSCA listed
HS Code 2927.00.5000
Storage Class11 - Combustible Solids
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

Tag:Direct Yellow 12(2870-32-8) Related Product Information
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