ChemicalBook >> CAS DataBase List >>BRILLIANT ORANGE H

BRILLIANT ORANGE H

CAS No.
52749-23-2
Chemical Name:
BRILLIANT ORANGE H
Synonyms
C.I.16020;ACID ORANGE 17;17 Acid Orange 17;Brillant orange H;BRILLIANT ORANGE H;C.I.Acid Orange 17;C.I.Acid Orange 17:C.I.16020;Acid Orange 17 (Technical Grade);sodium 5-[(dimethylphenyl)azo]-6-hydroxynaphthalene-2-sulphonate;Sodium 5-((2,3-dimethylphenyl)diazenyl)-6-hydroxynaphthalene-2-sulfonate
CBNumber:
CB6464211
Molecular Formula:
C18H15N2NaO4S
Molecular Weight:
378.38
MDL Number:
MFCD00059907
MOL File:
52749-23-2.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-20 15:44:59

BRILLIANT ORANGE H Properties

Melting point >300°C
storage temp. Refrigerator
solubility Aqueous Acid (Slightly, Sonicated), DMSO (Slightly), Methanol (Slightly)
Colour Index 16020
form Solid
color Red to Dark Red
EPA Substance Registry System 2-Naphthalenesulfonic acid, 5-[(dimethylphenyl)azo]-6-hydroxy-, monosodium salt (52749-23-2)

SAFETY

Risk and Safety Statements

TSCA  TSCA listed
HS Code  3204.17.4030

BRILLIANT ORANGE H price More Price(11)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical B0778 Acid Orange 17 52749-23-2 25g $100 2024-03-01 Buy
TRC TRC-A189843-500MG Acid Orange 17 (Technical Grade) 52749-23-2 500mg $84 2026-06-03 Buy
TRC TRC-A189843-250MG Acid Orange 17 (Technical Grade) 52749-23-2 250mg $68 2026-06-03 Buy
TRC TRC-A189843-2.5G Acid Orange 17 (Technical Grade) 52749-23-2 2.5g $101 2026-06-03 Buy
Chem-Impex 38607 Acid orange 17 52749-23-2 25G $149.62 2026-05-19 Buy
Product number Packaging Price Buy
B0778 25g $100 Buy
TRC-A189843-500MG 500mg $84 Buy
TRC-A189843-250MG 250mg $68 Buy
TRC-A189843-2.5G 2.5g $101 Buy
38607 25G $149.62 Buy

BRILLIANT ORANGE H Chemical Properties, Uses, Production

Uses

Acid Orange 17 can be used to determine the effect of dyeing on the thermal property of wool fiber.

Preparation

mix 2,4-Dimethylbenzenaminediazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

red light orange. Soluble in water for red light yellow. The strong sulfuric acid in orange, dilute appears after the orange precipitation, then yellow solution. In water solution to join hydrochloric acid have orange precipitation, diluted precipitation dissolve; Add sodium hydroxide for yellow brown after. Used for wool, silk fiber dyeing etc, also used in paints and dye paper.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 3-4 2-3 2 1-2

BRILLIANT ORANGE H Preparation Products And Raw materials

Raw materials

Preparation Products

Global Suppliers ( 42)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Maya High Purity Chemicals +86 (573) 82222445 (0)18006601000 452520369 sales@maya-r.com China 11693 57
TOKYO CHEMICAL INDUSTRY CO., LTD. 03-36680489 Sales-JP@TCIchemicals.com Japan 28364 80
TCI Europe 320-37350700 sales@tcieurope.eu Europe 23654 75
TCI AMERICA 800-4238616 sales@tciamerica.com Americas 23636 75
9ding chemical ( Shanghai) Limited 4009209199 sales@9dingchem.com China 22497 55
Shanghai Aladdin Bio-Chem Technology Co.,LTD 400-6206333 13167063860 anhua.mao@aladdin-e.com China 29977 65
ACID ORANGE 17 2-Naphthalenesulfonic acid, 5-(dimethylphenyl)azo-6-hydroxy-, monosodium salt C.I.16020 C.I.Acid Orange 17 BRILLIANT ORANGE H Brillant orange H sodium 5-[(dimethylphenyl)azo]-6-hydroxynaphthalene-2-sulphonate 17 Acid Orange 17 Acid Orange 17 (Technical Grade) C.I.Acid Orange 17:C.I.16020 Sodium 5-((2,3-dimethylphenyl)diazenyl)-6-hydroxynaphthalene-2-sulfonate 52749-23-2 C18H15N2NaO4S C18H15N2O4SNa