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Solvent Yellow 21

Solvent Yellow 21 Structure
Solvent Yellow 21 structure
CAS No.
5601-29-6
Chemical Name:
Solvent Yellow 21
Synonyms
Acid Yellow 118;CI 18690;Yellow 20;Yellow FR;Yellow 2GL;Tirasol Yellow;Acid Yellow 121;Acid Yellow 59;Acid Yellow 161;Filamid Yellow R
CBNumber:
CB9875425
Molecular Formula:
C34H24CrN8O6.H
Molecular Weight:
693.61
MDL Number:
MFCD31562541
MOL File:
5601-29-6.mol
TDS File:
TDS
Last updated:2026-08-28 09:47:36
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Solvent Yellow 21 Properties

Density 1.445[at 20℃]
vapor pressure 0Pa at 25℃
Water Solubility 170.1mg/L at 20℃
Cosmetics Ingredients Functions COLORANT
InChI InChI=1S/2C17H13N4O3.Cr/c2*1-11-15(16(22)21(20-11)12-7-3-2-4-8-12)19-18-14-10-6-5-9-13(14)17(23)24;/h2*2-10H,1H3,(H,23,24);/q2*-1;+3/p-1/b2*19-18+;
InChIKey IHWYTZCAOLKLQM-VFUQPONKSA-M
SMILES O=C1C2C=CC=CC=2N2=N[C-]3C(C)=NN(C4C=CC=CC=4)C3=O[Cr+3]342([O-]C(=O)C2C=CC=CC=2N3=N[C-]2C(C)=NN(C3C=CC=CC=3)C2=O4)[O-]1.[H+]
LogP 1.098 at 20℃
EWG's Food Scores 1
EPA Substance Registry System Chromate(1-), bis[2-[[4,5-dihydro-3-methyl-5-(oxo-.kappa.O)-1-phenyl-1H-pyrazol-4-yl]azo-.kappa.N1]benzoato(2-)-.kappa.O]-, hydrogen (5601-29-6)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H412-H319-H317
Precautionary statements  P273-P501-P264-P280-P305+P351+P338-P337+P313P-P261-P272-P280-P302+P352-P333+P313-P321-P363-P501
TSCA  TSCA listed
REACH Registrations Active

Solvent Yellow 21 price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Usbiological 289025 Solvent yellow 21 5601-29-6 1kg $849 2026-06-03 Buy
Usbiological 289025 Solvent yellow 21 5601-29-6 5kg $1331 2026-06-03 Buy
Usbiological 289025 Solvent yellow 21 5601-29-6 10kg $1840 2026-06-03 Buy
aablocks AA01DNPP Solvent Yellow 21 5601-29-6 1g $98 2026-05-29 Buy
AK Scientific T852 SolventYellow21,tech. 5601-29-6 1g $148 2021-12-16 Buy
Product number Packaging Price Buy
289025 1kg $849 Buy
289025 5kg $1331 Buy
289025 10kg $1840 Buy
AA01DNPP 1g $98 Buy
T852 1g $148 Buy

Solvent Yellow 21 Chemical Properties, Uses, Production

Description

CI 18690 is classed chemically as a monoazo colour. It is a chromium complex of the color

Chemical Properties

Dark yellow powder. Slightly soluble in water, freely soluble in ethylene glycol ether, DMF and ethanol.

Uses

Solvent Yellow 21 is mainly used for coloring various plastic products, as well as for coloring paints, inks, and other supplies. As a leather spraying yellow GL, it is mainly used for spraying or curtain coating of natural leathers such as pigskin, cowhide, and sheepskin, and is particularly suitable for spraying and coloring aniline leather. As a neutral yellow 2GL, it is used for dyeing wool, silk, and nylon, as well as for direct printing on fabrics. It has excellent lightfastness and is also used for leather coloring.

Preparation

3-Amino-4-hydroxybenzenesulfonic aciddiazo, and 3-Oxo-N-phenylbutanamide coupling, and then and chlorinated cobalt complexation and filtering.

Flammability and Explosibility

Non flammable

Properties and Applications

the original dyes as deep yellow powder. Slightly soluble in water, soluble in ethylene glycol ether and DMF and organic solvent such as ethanol, soluble in organic solvent for tan after solution is finished product. Mainly used for pigskin, such as cow leather, goat natural leather finishing the spray or curtains, especially suitable for aniline leather spraying shading.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO
AATCC

Solvent Yellow 21 Preparation Products And Raw materials

Raw materials

1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one Acetoacetanilide 2-Aminophenol-4-sulfonic acid Chromaking agent 2-Ethoxyethanol
Chromium formate Cobalt chloride Anthranilic acid Formamide Acetoacetanilide
5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one 2-Aminophenol-4-sulfonic acid Anthranilic acid

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Preparation Products

Solvent Yellow 21 Suppliers

Global Suppliers ( 112)
Supplier Tel Email Country ProdList Advantage
NanTong ZhongYiXin Chemical.Co.Ltd 0513-84531888 13584620555 33690683@qq.com China 13 58
Winchem Industrial Co. Ltd 0574-83851061 info@win-chemical.com China 500 55
BOC Sciences 1-631-485-4226; 16314854226 info@bocsci.com United States 9920 65
The future of Shanghai Industrial Co., Ltd. 021-61552785 sales@shshiji.com China 9531 55
Shanghai JONLN Reagent Co., Ltd. 400-0066400 13621662912 422131432@qq.com China 9970 55
Hangzhou Sunshine Chemicals Co., Ltd 0086-571-88523165 wangjf@aciddyes.com China 98 62
Chizhou Kailong Import and Export Trade Co., Ltd. xg01_gj@163.com China 9413 50
Alfa Chemistry 1-516-6625404 support@alfa-chemistry.com United States 9170 60
Shijiazhuang Yesheng Chemical Technology Co., Ltd 18031147013 18031147013; yeshengchemical@163.com China 2673 58
Shanghai Orgchem Co.,Ltd. +86-21-5877 1921 info@chemofchina.com China 9630 55
Supplier Advantage
NanTong ZhongYiXin Chemical.Co.Ltd 58
Winchem Industrial Co. Ltd 55
BOC Sciences 65
The future of Shanghai Industrial Co., Ltd. 55
Shanghai JONLN Reagent Co., Ltd. 55
Hangzhou Sunshine Chemicals Co., Ltd 62
Chizhou Kailong Import and Export Trade Co., Ltd. 50
Alfa Chemistry 60
Shijiazhuang Yesheng Chemical Technology Co., Ltd 58
Shanghai Orgchem Co.,Ltd. 55

View Latest Price from Solvent Yellow 21 manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
SOLVENT YELLOW 21 pictures 2026-09-11 SOLVENT YELLOW 21
5601-29-6
 25kg 0.99 10mt Winchem industrial co limited
Acid Yellow 59 pictures 2026-08-25 Acid Yellow 59
5601-29-6
 $2.00-5.00 99% ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
Solvent Yellow 21 pictures 2019-12-23 Solvent Yellow 21
5601-29-6
 $1.00 1KG 98 10t Career Henan Chemical Co
  • Acid Yellow 59 pictures
  • Acid Yellow 59
    5601-29-6
  • $2.00-5.00
  • 99%
  • ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD

5601-29-6 (Solvent Yellow 21) Related Search:

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Neutral Yellow 2GL Chromate (1-), bis [2-[[(4, 5-dihydro)-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl]azo], benzoato(2-)], hydrodgen Bricosol Yellow K2RV Caprozol Brilliant Yellow 2K Filamid Yellow R Lampronol Yellow 2RN Yellow 2GL Yellow FR C.I.Solvent Yellow 21 Meco Fast Yellow Y-20 Rosaplast Yellow M2R Simpsol Yellow 23307 Tirasol Yellow Youhao Oil Yellow 2G. Acid Yellow 118, Acid Yellow 161 hydrogen bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-) CI 18690 Acid Yellow 121 Chromate (1-), bis [2-[(4, 5-dinydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-benzoalo (2-)], hyarogen Eukesolar Yellow G Intralan Yellow 2GL Irgalan Yellow 2GL Kayakalan Yellow GL Lanasyn Yellow 2GLN Neutrilan Yellow S-GR Ostalan Yellow F2GL Taigalan Yellow 2GL Trialan Yellow 2GL. Acid Yellow 59 Chromate(1-), bis2-4,5-dihydro-3-methyl-5-(oxo-.kappa.O)-1-phenyl-1H-pyrazol-4-ylazo-.kappa.N1benzoato(2-)-.kappa.O-, hydrogen Chromate, bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato]-, hydrogen Chromate,bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato]-,hydrogen Solvent yellow 21 (C.I. 18690) Chromate(1-), bis[2-[(4,5-dihydro-3-methyl- 5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2 -)]-, hydrogen Acid Yellow 161 Hydrogen bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato]chromate Solvent Yellow 21 3-[(1-oxonaphthalen-2-ylidene)methylhydrazinylidene]-1-prop-2-enylindol-2-one Solvent Yellow 21 ISO 9001：2015 REACH C.I.Acid Yellow 121:C.I.18690 C.I.Acid Yellow 59:C.I.18690 C.I.Solvent Yellow 21:C.I.18690 Yellow 20 Acid Yellow 118 5601-29-6 C17H13N4NaO3 C34H24N8O6CrNa C34H24CrN8O6H C32H24N6O12S2CoNa Dyes and Pigments Organometallics Solvent Dyestuff