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BASIC YELLOW 57

BASIC YELLOW 57 structure

CAS No.: 68391-31-1

Chemical Name:: BASIC YELLOW 57

Synonyms: BY-57;Ci 12719;BASIC YELLOW 57;Einecs 269-943-5;JAROCOL STRAW YELLOW;,n-trimethyl-,chloride;Basic yellow 57 (C.I. 12719);C.I.Basic Yellow 57:C.I.12719;BasicYellow57(CI12250),(CI12719);5-Hydroxy-3-methyl-1-phenyl-4-(3’-trimethylammoniophenylazo)pyrazole,chloride

CBNumber:: CB8282976

Molecular Formula:: C19H22ClN5O

Molecular Weight:: 371.86

MDL Number:: MFCD02684023

MOL File:: 68391-31-1.mol

MSDS File:: SDS

Last updated:2026-05-28 03:30:53

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BASIC YELLOW 57 Properties

Boiling point	250℃[at 101 325 Pa]
vapor pressure	0Pa at 25℃
Water Solubility	4.75g/L at 28℃
Cosmetics Ingredients Functions	HAIR DYEING
Cosmetic Ingredient Review (CIR)	BASIC YELLOW 57 (68391-31-1)
LogP	1.14 at 25℃
EWG's Food Scores	1-3
FDA UNII	4N63359G0X
EPA Substance Registry System	Benzenaminium, 3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-N,N,N-trimethyl-, chloride (68391-31-1)

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302
Precautionary statements	P264-P270-P301+P312-P330-P501
TSCA	TSCA listed
REACH Registrations	Active

BASIC YELLOW 57 price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
aablocks	AA005QLA	N,N,N-Trimethyl-3-((3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)diazenyl)benzenaminium chloride 99%(HPLC);RG	68391-31-1	5g	$35	2026-05-28	Buy
aablocks	AA005QLA	N,N,N-Trimethyl-3-((3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)diazenyl)benzenaminium chloride 99%	68391-31-1	25g	$79	2026-05-28	Buy
aablocks	AA005QLA	N,N,N-Trimethyl-3-((3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)diazenyl)benzenaminium chloride 99%	68391-31-1	100g	$227	2026-05-28	Buy
aablocks	AA005QLA	N,N,N-Trimethyl-3-((3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)diazenyl)benzenaminium chloride 99%	68391-31-1	500g	$823	2026-05-28	Buy
American Custom Chemicals Corporation	DYE0002464	BASIC YELLOW 57 95.00%	68391-31-1	5MG	$498.43	2021-12-16	Buy

Product number	Packaging	Price	Buy
AA005QLA	5g	$35	Buy
AA005QLA	25g	$79	Buy
AA005QLA	100g	$227	Buy
AA005QLA	500g	$823	Buy
DYE0002464	5MG	$498.43	Buy

BASIC YELLOW 57 Chemical Properties,Uses,Production

Preparation

3-Amino-N,N,N-trimethylbenzenaminium chloride diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling.

Flammability and Explosibility

Not classified

Properties and Applications

yellow

BASIC YELLOW 57 Preparation Products And Raw materials

Raw materials

5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one 3-amino-N,N,N-trimethylbenzenaminium chloride

Preparation Products

BASIC YELLOW 57 Suppliers

Global( 31)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
SHANDONG ZHI SHANG CHEMICAL CO.LTD	0531-68652808 18953170293	sales@sdzschem.com	China	2921	58
Shandong Zhishang New Material Co., Ltd.	+8617653113209	sales002@sdzschem.com	China	2921	58
ShanDong Look Chemical Co.,Ltd.	17653113209 13065062079	sales01@sdlookchemical.com	China	2921	58
ANHUI WITOP BIOTECH CO., LTD	+8618071025641	eric@witopchemical.com	China	23504	58
Shanghai UCHEM Inc.	+86-18930848214 +86-021-56762820	sales@myuchem.com	China	8926	58
BOC Sciences	+1-631-485-4226	inquiry@bocsci.com	United States	19935	58
Changsha Changtang Import and Export Co., LTD	18942506900 18942506900	492657010@qq.com	China	993	58
Guangzhou City Haizhu District Zhenghong Co.Ltd.	020-82550624 13016020539	2336504938@qq.com	China	419	58
Shanghai UCHEM Inc.	18939844854	sales6@myuchem.com	China	4978	58
Guangdong wengjiang Chemical Reagent Co., Ltd.	0751-2815987 13927875076	3007432263@qq.com	China	9999	58

Supplier	Advantage
SHANDONG ZHI SHANG CHEMICAL CO.LTD	58
Shandong Zhishang New Material Co., Ltd.	58
ShanDong Look Chemical Co.,Ltd.	58
ANHUI WITOP BIOTECH CO., LTD	58
Shanghai UCHEM Inc.	58
BOC Sciences	58
Changsha Changtang Import and Export Co., LTD	58
Guangzhou City Haizhu District Zhenghong Co.Ltd.	58
Shanghai UCHEM Inc.	58
Guangdong wengjiang Chemical Reagent Co., Ltd.	58

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,n-trimethyl-,chloride 3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1h-pyrazol-4-yl)azo]-n,n,n-trimethyl-benzenaminiuchloride 5-Hydroxy-3-methyl-1-phenyl-4-(3’-trimethylammoniophenylazo)pyrazole,chloride benzenaminium,3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1h-pyrazol-4-yl)azo]-n,n Benzenaminium,3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-N,N,N-trimethyl-,chloride JAROCOL STRAW YELLOW BASIC YELLOW 57 3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-N,N,N-trimethylanilinium chloride BasicYellow57(CI12250),(CI12719) Basic yellow 57 (C.I. 12719) 3-((4,5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-N,N,- N-trimethylbenzenaminium chloride Benzenaminium, 3-(2-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl)-N,N,N-trimethyl-, chloride (1:1) Ci 12719 Einecs 269-943-5 C.I.Basic Yellow 57:C.I.12719 BY-57 N,N,N-Trimethyl-3-((3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)diazenyl)benzenaminium chloride 68391-31-1