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Acid red 183

Acid red 183 structure

CAS No.: 6408-31-7

Chemical Name:: Acid red 183

Synonyms: Red GRE;CI 18800;Acid red 183;NEOLAN RED GRE;NEOLAN RED GR;ACID RED 183, PURE;acid red 183 (C.I. 18800);C.I.Acid Red 183:C.I.18800;Acid Red 183 Dye content 30 %;chromate(2-),[5-chloro-3-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1h-pyr

CBNumber:: CB4474472

Molecular Formula:: C16H11ClN4Na2O8S2

Molecular Weight:: 532.84

MDL Number:: MFCD00003116

MOL File:: 6408-31-7.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-09-12 18:52:51

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Acid red 183 Properties

Boiling point	764.18℃[at 101 325 Pa]
Density	1.84[at 20℃]
vapor pressure	0Pa at 25℃
storage temp.	room temp
Colour Index	18800
form	powder
Water Solubility	903.5μg/L at 25℃
λmax	494 nm
ε(extinction coefficient)	2900 at 322nm in H2O at 0.03g/L 7500 at 244nm in H2O at 0.03g/L
Major Application	diagnostic assay manufacturing hematology histology
InChIKey	AAKJXBYQACYFJH-UHFFFAOYSA-I
SMILES	[Na+].[Na+].Cc1nn(-c2cccc(c2)S([O-])(=O)=O)c3O[Cr](O)Oc4c(cc(Cl)cc4S([O-])(=O)=O)\N=N\c13
LogP	4.65 at 25℃
FDA UNII	4LQE14571B
EPA Substance Registry System	Chromate(2-), [5-chloro-3-[[4,5-dihydro-3-methyl-5-(oxo-.kappa.O)-1-(3-sulfophenyl)-1H-pyrazol-4-yl]azo-.kappa.N1]-2-(hydroxy-.kappa.O)benzenesulfonato(4-)]hydroxy-, disodium, (T-4)- (6408-31-7)
UNSPSC Code	12171500
NACRES	NA.47

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS09

Signal word

Warning

Hazard statements

H411

Safety Statements

24/25

WGK Germany

TSCA

TSCA listed

Storage Class

11 - Combustible Solids

REACH Registrations

Inactive

NFPA 704

	0
1		0

Acid red 183 price More Price(7)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	201820	Acid Red 183 Dye content 30%	6408-31-7	25g	$39.27	2026-04-30	Buy
Chem-Impex	41896	Acid Red 183 ≥30%(Dyecontent)	6408-31-7	25G	$54.08	2026-05-19	Buy
aablocks	AA01DNPZ	C.I. Acid red 183 Dyecontent30%	6408-31-7	1g	$43	2026-05-29	Buy
aablocks	AA01DNPZ	C.I. Acid red 183 ≥30%(Dyecontent)	6408-31-7	25g	$75	2026-05-29	Buy
Medical Isotopes, Inc.	16266	Acid Red 183	6408-31-7	25g	$580	2021-12-16	Buy

Product number	Packaging	Price	Buy
201820	25g	$39.27	Buy
41896	25G	$54.08	Buy
AA01DNPZ	1g	$43	Buy
AA01DNPZ	25g	$75	Buy
16266	25g	$580	Buy

Acid red 183 Chemical Properties, Uses, Production

Chemical Properties

dark rust crystalline powder

Uses

diagnostic assay manufacturing
hematology
histology

Preparation

3-Amino-5-chloro-2-hydroxybenzenesulfonic acid diazo, and 1-(3-Sulfophenyl)-3-methyl-5-pyrazolone coupling, and then in water solution and formic acid chromium heating, in 125 ° C keep 3 hours, make the generation of the chrome complex.

Flammability and Explosibility

Not classified

Properties and Applications

red yellow light. Soluble in water is red. The strong sulfuric acid to red light yellow; Diluted into orange. In water solution to join 10% of sulfuric acid slightly change to blue; Add 10% sodium hydroxide solution into orange. Apply to wool dyeing and leather color.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
Standard	Light Fastness	Fading	Stain	Persperation Fastness	Fading	Stain	Fading	Stain
ISO	7	3-4	4	4	2		3
AATCC	6-7	2	2	5			5

Acid red 183 Preparation Products And Raw materials

Raw materials

1-(3-Sulfophenyl)-3-methyl-5-pyrazolone 2-Amino-4-chlorophenol-6-sulfonic acid

Preparation Products

Acid red 183 Suppliers

Global Suppliers ( 66)

Supplier	Tel	Email	Country	ProdList	Advantage
Alfa Chemistry	+1-5166625404;	Info@alfa-chemistry.com	United States	20000	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +86-189 4982 3763	sales@tnjchem.com	China	34526	58
CONIER CHEM AND PHARMA LIMITED		sales@conier.com	China	49906	58
Guangzhou City Haizhu District Zhenghong Co.Ltd.	020-82550624 13016020539	2336504938@qq.com	China	419	58
Energy Chemical	021-58432009 400-005-6266	marketing@energy-chemical.com	China	44871	58
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd	029-029-029-81148696 18161915376	1027@dideu.com	China	9989	58
Meryer (Shanghai) Chemical Technology Co., Ltd.	18621169109	market03@meryer.com	China	27963	58
Shanghai Macklin Biochemical Co.,Ltd.	50706066 15221275939	shenlinxing@macklin.cn	China	14849	58
TargetMol	400-821-0310 15002144251	xuexiang.shao@tsbiochem.com	China	29128	58
DAYANG CHEM (HANGZHOU) CO.,LTD	+86-88938639 +86-17705817739	info@dycnchem.com	China	53799	58

Supplier	Advantage
Alfa Chemistry	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
CONIER CHEM AND PHARMA LIMITED	58
Guangzhou City Haizhu District Zhenghong Co.Ltd.	58
Energy Chemical	58
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd	58
Meryer (Shanghai) Chemical Technology Co., Ltd.	58
Shanghai Macklin Biochemical Co.,Ltd.	58
TargetMol	58
DAYANG CHEM (HANGZHOU) CO.,LTD	58

Acid red 183 Spectrum

ACID RED 183(6408-31-7)IR1 ACID RED 183(6408-31-7)IR2

6408-31-7 (Acid red 183) Related Search:

3-Chloroaniline 1-Methylpyrazole 3-Methyl-3-pyrazolin-5-one 3-Aminothiophenol 1,3-Dimethylpyrazole

1,3-Dimethyl-5-hydroxypyrazole 3-Methylpyrazole 2-Amino-4-chlorophenol Metanilic acid 2-Amino-4-chlorophenol-6-sulfonic acid

Phenolsulfonic acid 1H-Pyrazol-4-ylamine Sodium methanesulfonate 2-Aminophenol hydrochloride 3-Chlorothiophenol

1H-Pyrazol-4-amine hydrochloride Acid red 183 Ammonium methanesulfonate

1of4

Disodium 5-chloro-3-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphophenyl)-1H-pyrazol-4-yl]azo]-2-hydroxybenzene-1-sulphonate CI 18800 chromate(2-),[5-chloro-3-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1h-pyr Chromate(2-),[5-chloro-3-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl]azo]-2-hydroxybenzenesulfonato(4-)]hydroxy-,disodium NEOLAN RED GRE acid red 183 (C.I. 18800) disodium [5-chloro-3-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphophenyl)-1H-pyrazol-4-yl]azo]-2-hydroxybenzene-1-sulphonato(4-)]hydroxychromate(2-) Chromate, [5-chloro-3-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl]azo]-2-hydroxybenzenesulfonato(4-)]hydroxy-, disodium Chromate,[5-chloro-3-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl]azo]-2-hydroxybenzenesulfonato(4-)]hydroxy-,disodium Red GRE ACID RED 183, PURE NEOLAN RED GR Acid Red 183 Dye content 30 % C.I.Acid Red 183:C.I.18800 Acid red 183 6408-31-7 C16H11ClN4O8S22Na C16H10ClCrN4O9S22Na C16H11ClN4Na2O8S2 C16H11ClN4Na2O8S2xCr A Stains and Dyes Stains&Dyes, A to