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Acid Orange 156

Acid Orange 156 Structure
Acid Orange 156 structure
CAS No.
68555-86-2
Chemical Name:
Acid Orange 156
Synonyms
Orange 3G;Acidorange3G;acid orange 2gn;C.I.Acidorange156;Colocid Orange 3G;Tectilon Orange 3G;Weak Acid Orange 3G;Tertracid Orange TW;Weak Acid Orange ALG;Nylanthrene Orange 3G
CBNumber:
CB0875604
Molecular Formula:
C21H21N4NaO5S
Molecular Weight:
464.47
MDL Number:
MOL File:
68555-86-2.mol
MSDS File:
SDS
Last updated:2026-05-27 22:57:16
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Acid Orange 156 Properties

CAS DataBase Reference 68555-86-2
FDA UNII L9BA8PT45E
EPA Substance Registry System Benzenesulfonic acid, 4-[[5-methoxy-4-[(4-methoxyphenyl)azo]-2-methylphenyl]azo]-, sodium salt (68555-86-2)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Health Hazard (GHS08)Skull and Crossbones (GHS06)
GHS08,GHS06
Signal word  Danger
Hazard statements  H330-H301
Precautionary statements  P260-P271-P284-P304+P340-P310-P320-P403+P233-P405-P501-P264-P270-P301+P310-P321-P330-P405-P501
RIDADR  2811
TSCA  TSCA listed
HazardClass  6.1(b)
PackingGroup  III

Acid Orange 156 price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich R304174 ERIONYL ORANGE 3 G AldrichCPR 68555-86-2 1 unit $32.7 2026-04-30 Buy
Sigma-Aldrich R304174 ERIONYL ORANGE 3 G AldrichCPR 68555-86-2 1G $29.8 2024-03-01 Buy
Usbiological 260346 Acid Orange 156, Technical grade Technical grade Asreported 68555-86-2 1g $389 2026-06-03 Buy
AK Scientific T108 Acid Orange 156 68555-86-2 1g $129 2026-06-04 Buy
aablocks AA01DPZZ Benzenesulfonic acid, 4-[2-[5-methoxy-4-[2-(4-methoxyphenyl)diazenyl]-2-methylphenyl]diazenyl]-, sodium salt (1:1) 68555-86-2 1g $144 2026-05-29 Buy
Product number Packaging Price Buy
R304174 1 unit $32.7 Buy
R304174 1G $29.8 Buy
260346 1g $389 Buy
T108 1g $129 Buy
AA01DPZZ 1g $144 Buy

Acid Orange 156 Chemical Properties, Uses, Production

Chemical Properties

Orange powder. It is easily soluble in water, and its solubility in water (90℃) is 100g/L.

Uses

Acid Orange 156 can be used for dyeing and printing of nylon, silk and wool fabrics

Synthesis

Acid Orange 156 was prepared from p-aminobenzenesulfonic acid, 3-amino-4-methoxytoluene and phenol as raw materials.

Acid Orange 156 Preparation Products And Raw materials

Raw materials

4-Methylanisole Sulfanilic acid

Preparation Products

Acid Orange 156 Suppliers

Global Suppliers ( 58)
Supplier Tel Email Country ProdList Advantage
Winchem Industrial Co. Ltd 0574-83851061 info@win-chemical.com China 500 55
Tianjin heowns Biochemical Technology Co., Ltd. 400 638 7771 sales@heowns.com China 14412 57
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
Alfa Chemistry 1-516-6625404 support@alfa-chemistry.com United States 9170 60
Shanghai Orgchem Co.,Ltd. +86-21-5877 1921 info@chemofchina.com China 9630 55
Hefei TNJ Chemical Industry Co.,Ltd. +86-0551-65418684 +86-18949823763 sales@tnjchem.com China 25333 58
Dideu Industries Group Limited +8617392712697 1022@dideu.com China 29091 58
JADECHEM (NINGBO) CO.,LTD. 574-89075960 info@jadechem-colours.com CHINA 214 58
Supplier Advantage
Winchem Industrial Co. Ltd 55
Tianjin heowns Biochemical Technology Co., Ltd. 57
BOC Sciences 65
The future of Shanghai Industrial Co., Ltd. 55
Shanghai JONLN Reagent Co., Ltd. 55
Alfa Chemistry 60
Shanghai Orgchem Co.,Ltd. 55
Hefei TNJ Chemical Industry Co.,Ltd. 58
Dideu Industries Group Limited 58
JADECHEM (NINGBO) CO.,LTD. 58

View Latest Price from Acid Orange 156 manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Acid Orange 156 pictures 2026-09-11 Acid Orange 156
68555-86-2
 25kg 1 20mt Winchem industrial co limited
Acid Orange 156 pictures 2020-01-03 Acid Orange 156
68555-86-2
 $9.80 1KG ≥98% 20 tons Career Henan Chemical Co

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sodium 4-[[5-methoxy-4-[(4-methoxyphenyl)azo]-2-methylphenyl]azo]benzenesulphonate acid orange 2gn Acid orange 156 (C.I. 26501) Acidorange3G C.I.Acidorange156 Benzenesulfonic acid, 4-5-methoxy-4-(4-methoxyphenyl)azo-2-methylphenylazo-, sodium salt Weak Acid Orange 3G Apollo Nylon Fast Orange M-GNS Colocid Orange 3G Concorde Acid Orange 3G Nylanthrene Orange 3G Rifa Acid Fast Orange E-GNS Tertracid Orange TW Triacid Fast Orange 3G. Weak Acid Orange C-GNS 4-[2-Methyl-5-methoxy-4-(4-methoxyphenylazo)phenylazo]benzenesulfonic acid sodium salt Orange 3G Weak Acid Orange ALG Benzenesulfonic acid, 4-[2-[5-methoxy-4-[2-(4-m ethoxyphenyl)diazenyl]-2-m ethylphenyl]diazenyl]-, sodium salt (1:1) 4-[2-[5-Methoxy-4-[2-(4-methoxyphenyl)diazenyl]-2-methylphenyl]diazenyl]benzenesulfonic acid, sodium salt Tectilon Orange 3G Acid Orange 156 ISO 9001：2015 REACH 68555-86-2 C21H19N4O5SNa C21H19N4NaO5S Dyes and Pigments Organics