ChemicalBook > CAS DataBase List > Direct Yellow 12

Direct Yellow 12

Product Name
Direct Yellow 12
CAS No.
2870-32-8
Chemical Name
Direct Yellow 12
Synonyms
CI 24895;CHRYSOPHENINE;DirectyellowG;ChrysophenineG;DirectYellowGX;Chrysophenin G;Pyrazol Yellow;Chrysophenin NS;Pyrazol Yellow C;Direct Yellow GK
CBNumber
CB3399462
Molecular Formula
C30H29N4NaO8S2
Formula Weight
660.69
MOL File
2870-32-8.mol
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Direct Yellow 12 Property

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
InChIKey
BFMGWSCDIBELQN-BHHUATOHSA-N
SMILES
C(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 System
C.I. Direct Yellow 12 (2870-32-8)
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Safety

WGK Germany 
3
TSCA 
Yes
HS Code 
2927.00.5000
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
201901
Product name
Chrysophenine
Purity
Dye content 65%
Packaging
50g
Price
$98.2
Updated
2024/03/01
TCI Chemical
Product number
C0530
Product name
Chrysophenine
Packaging
25g
Price
$20
Updated
2023/06/20
TCI Chemical
Product number
C0530
Product name
Chrysophenine
Packaging
500g
Price
$176
Updated
2022/04/27
Alfa Aesar
Product number
J64999
Product name
Chrysophenine sodium salt
Packaging
50g
Price
$47.65
Updated
2024/03/01
Alfa Aesar
Product number
J64999
Product name
Chrysophenine sodium salt
Packaging
100g
Price
$84.1
Updated
2021/12/16
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Direct Yellow 12 Chemical Properties,Usage,Production

Chemical Properties

orange crystalline powder

Uses

A 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

Direct Yellow 12 Preparation Products And Raw materials

Raw materials

4,4'-Diamino-2,2'-stilbenedisulfonic acid Phenol CHLOROETHANE Sulfurous Acid Sodium nitrite 1,2-Diphenylethylenediamine Benzoic acid Sulfuric acid Sodium carbonate

Preparation Products

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Direct Yellow 12 Suppliers

Americas 1 Canada 1 China 160 Europe 2 Germany 3 India 114 Japan 3 South Korea 1 Spain 2 Switzerland 2 The Netherlands 2 Turkey 1 United Kingdom 5 United States 28 Global 325
J & K SCIENTIFIC LTD.
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Meryer (Shanghai) Chemical Technology Co., Ltd.
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3B Pharmachem (Wuhan) International Co.,Ltd.
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TCI (Shanghai) Development Co., Ltd.
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Sales-CN@TCIchemicals.com
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Energy Chemical
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Winchem Industrial Co. Ltd
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Maya High Purity Chemicals
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View Lastest Price from Direct Yellow 12 manufacturers

TIANJIN XIANGRUI DYESTUFF CO.,LTD
Product
Direct Crysophenine GX, Direct Yellow 12 2870-32-8
Price
US $3.00/kg
Min. Order
25kg
Purity
99%
Supply Ability
20 tons
Release date
2022-10-26
Career Henan Chemical Co
Product
Direct Yellow 12 2870-32-8
Price
US $1.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
as request
Release date
2018-12-21

2870-32-8, Direct Yellow 12Related Search:

Phosphorus Benzenesulfonic acid, 2-methyl-5-nitro-, alk. cond. products, reaction products with formaldehyde Ethylenediaminetetraacetic acid disodium salt BRILLIANT YELLOW Sodium Monofluorophosphate DIRECT FAST BROWN M STILBENE YELLOW CI NO 22610 Direct Blue 71 Congo Red Direct Orange 46 STILBENE Direct Black 38 Direct Black 19 Direct Orange S Direct Black 168 Direct Yellow 132 Direct Yellow 86

  • 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
  • Pamanil Yellow G-12
  • Pyrazol Yellow C
  • Disodium 4,4'-bis[(4-ethoxyphenyl)azo]stilbene-2,2'-disulfonate
  • 2,2'-(1,2-Ethenediyl)bis[5-[(4-ethoxyphenyl)azo]benzenesulfonic acid sodium] salt
  • 2,2'-(1,2-Ethenediyl)bis[5-[(4-ethoxyphenyl)azo]benzenesulfonic acid]disodium salt
  • DIRECT YELLOW 12
  • disodium 4,4'-bis[(4-ethoxyphenyl)azo]stilbene-2,2'-disulphonate
  • CHRYSOPHENINE
  • CI 24895
  • 2,2’-(1,2-ethenediyl)bis[5-[(4-ethoxyphenyl)azo]-benzenesulfonicacidisodi
  • C.I.Directyellow12
  • ChrysophenineG
  • DirectyellowG
  • Romexal Yellow C
  • Shikiso Chrysophenine G
  • Tertrodirect Yellow CG.
  • Directly frozen yellow
  • chrysophenine (C.I. 24895)
  • Benzenesulfonic acid, 2,2-(1,2-ethenediyl)bis5-(4-ethoxyphenyl)azo-, disodium salt
  • Direct Chrysophenine
  • DirectYellowGX
  • Benzol Yellow LG
  • C.I.Direct Yellow 12(24895)
  • Chloraxol Yellow CG
  • Chrysophenin G
  • Chrysophenin NS
  • Diphenyl Yellow CH
  • Nylornine Yellow C-4R
  • Pyrazol Yellow
  • Direct Yellow 12 ISO 9001：2015 REACH
  • Chrysophenine (Technical Grade)
  • C.I.Direct Yellow 12:C.I.24895
  • TIANFU-CHEM Direct Yellow 12
  • Direct Crysophenine GX, Direct Yellow 12
  • Directly freeze yellow G
  • 2870-32-8
  • C30H26O8N4S2Na2
  • C30H26N4Na2O8S2
  • C30H26N4O8S22Na
  • Stilbenes
  • Organics
  • Stilbenes
  • Dyes and Pigments