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4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid

4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid structure

CAS No.: 88-76-6

Chemical Name:: 4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid

Synonyms: NSC26425;NSC 26425;556874_ALDRICH;EINECS 201-858-0;chloropyrazolicacid5;Benzenesulfonic acid, 4-chl;3-methyl-1-(2-chloro-5-sulfophenyl)-5-pyrazolone;1-(2'-Chloro-5'-sulfophenyl)-3-methyl-5-pyrazolone;1-(2'-Chloro-5'-sulphophenyl)-3-methyl-5-pyrazolone;1-(2-Chloro-5-sulfophenyl)-3-methyl-5(4H)-pyrazolone

CBNumber:: CB1366903

Molecular Formula:: C10H9ClN2O4S

Molecular Weight:: 288.71

MDL Number:: MFCD00020745

MOL File:: 88-76-6.mol

MSDS File:: SDS

Last updated:2025-12-31 14:38:37

Product description	Number	Pack Size	Price
4-CHLORO-3-(3-METHYL-5-OXO-2-PYRAZOLIN-1-YL)-BENZENESULFONIC ACID Aldrich^CPR	S607150	1 unit	$30.7
4-CHLORO-3-(3-METHYL-5-OXO-2-PYRAZOLIN-1-YL)-BENZENESULFONIC ACID Aldrich	S607150	1g	$29.8
1-(2'-CHLORO-5'-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE 95.00%	HCH0009490	25G	$1123.25
1-(2-Chloro-5-sulfophenyl)-3-methyl-5-pyrazolone	P085	1g	$90
4-Chloro-3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonicacid 98+%	BD12796	100g	$107
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4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid Properties

Melting point	344 °C(lit.)
Density	1+-.0.1 g/cm3(Predicted)
storage temp.	Store at room temperature
pka	-0.96±0.50(Predicted)
Appearance	Off-white to light yellow Solid
CAS DataBase Reference	88-76-6(CAS DataBase Reference)
NIST Chemistry Reference	Benzenesulfonic acid, 4-chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)-(88-76-6)
EPA Substance Registry System	Benzenesulfonic acid, 4-chloro-3-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)- (88-76-6)

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H317
Precautionary statements	P261-P272-P280-P302+P352-P333+P313-P321-P363-P501
Hazard Codes	Xi
Risk Statements	43
Safety Statements	36/37
WGK Germany	3
TSCA	TSCA listed

4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid price More Price(17)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	S607150	4-CHLORO-3-(3-METHYL-5-OXO-2-PYRAZOLIN-1-YL)-BENZENESULFONIC ACID Aldrich^CPR	88-76-6	1 unit	$30.7	2025-07-31	Buy
Sigma-Aldrich	S607150	4-CHLORO-3-(3-METHYL-5-OXO-2-PYRAZOLIN-1-YL)-BENZENESULFONIC ACID Aldrich	88-76-6	1g	$29.8	2024-03-01	Buy
American Custom Chemicals Corporation	HCH0009490	1-(2'-CHLORO-5'-SULFOPHENYL)-3-METHYL-5-PYRAZOLONE 95.00%	88-76-6	25G	$1123.25	2021-12-16	Buy
AK Scientific	P085	1-(2-Chloro-5-sulfophenyl)-3-methyl-5-pyrazolone	88-76-6	1g	$90	2021-12-16	Buy
BLDpharm	BD12796	4-Chloro-3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonicacid 98+%	88-76-6	100g	$107	2021-12-16	Buy

Product number	Packaging	Price	Buy
S607150	1 unit	$30.7	Buy
S607150	1g	$29.8	Buy
HCH0009490	25G	$1123.25	Buy
P085	1g	$90	Buy
BD12796	100g	$107	Buy

4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid Chemical Properties,Uses,Production

4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid Preparation Products And Raw materials

Raw materials

Preparation Products

disodium 2-[[1-(2-chloro-5-sulphonatophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]naphthalene-1-sulphonate ACID YELLOW 34 C.I. Acid Yellow 131 ACID YELLOW 29 sodium 4-chloro-3-[4-[[2,2'-dimethyl-4'-[[4-[(phenylsulphonyl)oxy]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonate

4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid Suppliers

Global( 125)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29831	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49977	58
SIMAGCHEM CORP	+86-5922680277 +86-13806087780	sale@simagchem.com	China	17346	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34563	58
ANHUI WITOP BIOTECH CO., LTD	+8615255079626	eric@witopchemical.com	China	23541	58
Yangzhou Model Electronic Materials Co., Ltd.	+8613761402923	sales@modeltemol.com	CHINA	571	58
Dayang Chem (Hangzhou) Co.,Ltd.	+86-0571-88938639 +8617705817739	info@dycnchem.com	China	52846	58
PT CHEM GROUP LIMITED	+86-85511178;	peter68@ptchemgroup.com	China	35425	58
SUZHOU SENFEIDA CHEMICAL CO.,LTD	+86-0512-83500002 +8618662433356	3899766280@qq.com	China	26362	58
Shanghai Likang New Materials Co., Limited	+86-16631818819 +86-17736933208	3684455296@qq.com	China	9300	58

Supplier	Advantage
career henan chemical co	58
CONIER CHEM AND PHARMA LIMITED	58
SIMAGCHEM CORP	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
ANHUI WITOP BIOTECH CO., LTD	58
Yangzhou Model Electronic Materials Co., Ltd.	58
Dayang Chem (Hangzhou) Co.,Ltd.	58
PT CHEM GROUP LIMITED	58
SUZHOU SENFEIDA CHEMICAL CO.,LTD	58
Shanghai Likang New Materials Co., Limited	58

View Lastest Price from 4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2019-07-06	4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid 88-76-6	US $1.00 / kg	1kg	98%min	as request	Career Henan Chemical Co

4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid
88-76-6
US $1.00 / kg
98%min
Career Henan Chemical Co

4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid Spectrum

4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid(88-76-6)MS 4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid(88-76-6)¹HNMR 4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid(88-76-6)¹³CNMR 4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid(88-76-6)IR1 4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid(88-76-6)IR2

88-76-6(4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid)Related Search:

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5-chloro-6-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)toluene-3-sulphonic acid 3-Methyl-2-pyrazolin-5-one Pyrazole

1of4

1-(2'-CHLORO-5'-SULFONGLPHENGL)-3-METHYL-5-PYRAZOLONE 1-(2-Chloro-5-sulfophenyl)-3-Methyl-5-pyrazolone (25CSMP) 556874_ALDRICH Benzenesulfonic acid, 4-chl Benzenesulfonic acid, 4-chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)- EINECS 201-858-0 NSC 26425 NSC26425 1-(2-Chloro-5-sulfophenyl)-3-methyl-2-pyrazolin-5-one 4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid 1-(2-Chloro-5-sulfophenyl)-3-methyl-2-pyrazolin-5-one, 3-Methyl-1-(2-chloro-5-sulfophenyl)-5-pyrazolone 1-(2-Chloro-5-sulfophenyl)-3-methyl-5(4H)-pyrazolone 4-chloro-3-(3-methyl-5-oxo-4H-pyrazol-1-yl)benzenesulfonic acid 4-chloro-3-(5-keto-3-methyl-4H-pyrazol-1-yl)benzenesulfonic acid 3-methyl-1-(2-chloro-5-sulfophenyl)-5-pyrazolone 4-chloro-3-(4,5-dihydro-3-methyl-5-oxo-1h-pyrazol-1-yl)-benzenesulfonic acid 3-methyl-1-(2’-chloro-5’-sulfonicphenyl)-5-pyrazolone 4-chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulphonicacid 4-Chloro-3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid 4-chloro-3-(4,5-dihydro-3-methyl-5-oxo-1h-pyrazol-1-yl)-benzenesulfonicaci Benzenesulfonic acid, 4-chloro-3-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)- chloropyrazolicacid5 4-chloro-3-(3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid 1-(2'-Chloro-5'-sulphophenyl)-3-methyl-5-pyrazolone 1-(2'-Chloro-5'-sulfophenyl)-3-methyl-5-pyrazolone> 3-methyl-1 -(2' -chloro-5 '-sulfonic phenyl) -5-pyrazolinone 4-chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulphonic... 1-(2'-Chloro-5'-sulfophenyl)-3-methyl-5-pyrazolone 1-(2-Chloro-5-sulfophenyl)-3-methyl-5-pyrazolone(25CSPMP) 88-76-6 C10H9ClN2O4S Building Blocks Halogenated Heterocycles Heterocyclic Building Blocks Pyrazoles Intermediates of Dyes and Pigments