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Sodium 5-oxo-1-(4-sulfophenyl)-4H-pyrazole-3-carboxylate

Sodium 5-oxo-1-(4-sulfophenyl)-4H-pyrazole-3-carboxylate structure

CAS No.: 52126-51-9

Chemical Name:: Sodium 5-oxo-1-(4-sulfophenyl)-4H-pyrazole-3-carboxylate

Synonyms: Tartrazine Impurity 1;CARBOXYSULFOPHENYL PYRAZOLONE;Carboxysulfophenylpyrazolonesodiumsalt;3-Carboxy-1-(4-sulfophenyl)-5-pyrazoloneSodiumSal;3-CARBOXY-1-(4'-SULFOPHENYL)-5-PYRAZOLONE SODIUM SALT;Sodium 5-oxo-1-(4-sulfophenyl)-4H-pyrazole-3-carboxylate;3-Carboxy-1-(4-sulfophenyl)-5-pyrazolone Sodium Salt >3-Carboxy-1-(4-sulfophenyl)-5-pyrazolone Sodium Salt 98.0%;3-CARBOXY-1-(4''-SULFOPHENYL)-5-PYRAZOLONE SODIUM SALT 98+%;5-Oxo-1-(4-sulfophenyl)-2-pyrazoline-3-carboxylic Acid Sodium Salt

CBNumber:: CB2415604

Molecular Formula:: C10H7N2O6S.Na

Molecular Weight:: 307.24

MDL Number:: MFCD00059720

MOL File:: 52126-51-9.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 00:27:19

Request For Quotation

Sodium 5-oxo-1-(4-sulfophenyl)-4H-pyrazole-3-carboxylate Properties

form	powder to crystal
color	White to Light yellow
InChI	InChI=1S/C10H8N2O6S.Na/c13-9-5-8(10(14)15)11-12(9)6-1-3-7(4-2-6)19(16,17)18;/h1-5,11H,(H,14,15)(H,16,17,18);/q;+1/p-1
InChIKey	ZBWNDDPCZBRNEC-UHFFFAOYSA-M
SMILES	N1(NC(C(=O)O)=CC1=O)C1C=CC(S([O-])(=O)=O)=CC=1.[Na+]
CAS DataBase Reference	52126-51-9(CAS DataBase Reference)
FDA UNII	Q7G7LA4X9P
EPA Substance Registry System	1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-, monosodium salt (52126-51-9)

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302-H315-H319-H335
Precautionary statements	P261-P301+P312-P302+P352-P304+P340-P305+P351+P338
Risk Statements	36/37/38
Safety Statements	26-36/37/39
TSCA	TSCA listed
HS Code	2933.69.6050

Sodium 5-oxo-1-(4-sulfophenyl)-4H-pyrazole-3-carboxylate price More Price(22)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	C0845	3-Carboxy-1-(4-sulfophenyl)-5-pyrazolone Sodium Salt >98.0%(HPLC)(T)	52126-51-9	25g	$53	2026-04-30	Buy
TCI Chemical	C0845	3-Carboxy-1-(4-sulfophenyl)-5-pyrazolone Sodium Salt >98.0%(HPLC)(T)	52126-51-9	500g	$405	2026-04-30	Buy
Chem-Impex	43640	3-Carboxy-1-(4-sulfophenyl)-5-pyrazolone sodium salt ≥98%(HPLC)	52126-51-9	25G	$63.5	2026-05-19	Buy
Chem-Impex	43640	3-Carboxy-1-(4-sulfophenyl)-5-pyrazolone sodium salt ≥98%(HPLC)	52126-51-9	500G	$600.3	2026-05-19	Buy
aablocks	AA003U8R	Sodium 5-oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate 98+%	52126-51-9	5g	$16	2026-05-28	Buy

Product number	Packaging	Price	Buy
C0845	25g	$53	Buy
C0845	500g	$405	Buy
43640	25G	$63.5	Buy
43640	500G	$600.3	Buy
AA003U8R	5g	$16	Buy

Sodium 5-oxo-1-(4-sulfophenyl)-4H-pyrazole-3-carboxylate Chemical Properties, Uses, Production

Chemical Properties

Light yellow crystalline powder

Sodium 5-oxo-1-(4-sulfophenyl)-4H-pyrazole-3-carboxylate Preparation Products And Raw materials

Raw materials

Preparation Products

Sodium 5-oxo-1-(4-sulfophenyl)-4H-pyrazole-3-carboxylate Suppliers

Global Suppliers ( 95)

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
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
Bide Pharmatech Ltd.	400-164-7117 18317119277	product02@bidepharm.com	China	40000	60
Shanghai Xingui Biotechnology Co., Ltd.	15121041756	xingui2022@126.com	China	9985	58

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
TCI (Shanghai) Development Co., Ltd.	81
Energy Chemical	61
Maya High Purity Chemicals	57
TOKYO CHEMICAL INDUSTRY CO., LTD.	80
TCI Europe	75
TCI AMERICA	75
9ding chemical ( Shanghai) Limited	55
Bide Pharmatech Ltd.	60
Shanghai Xingui Biotechnology Co., Ltd.	58

Sodium 5-oxo-1-(4-sulfophenyl)-4H-pyrazole-3-carboxylate Spectrum

Sodium 5-oxo-1-(4-sulfophenyl)-4H-pyrazole-3-carboxylate(52126-51-9)¹HNMR Sodium 5-oxo-1-(4-sulfophenyl)-4H-pyrazole-3-carboxylate(52126-51-9)¹³CNMR Sodium 5-oxo-1-(4-sulfophenyl)-4H-pyrazole-3-carboxylate(52126-51-9)IR1 Sodium 5-oxo-1-(4-sulfophenyl)-4H-pyrazole-3-carboxylate(52126-51-9)IR2

52126-51-9 (Sodium 5-oxo-1-(4-sulfophenyl)-4H-pyrazole-3-carboxylate) Related Search:

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1of4

1-(4-Sodiosulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid Sodium 5-oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate 3-CARBOXY-1-(4'-SULFOPHENYL)-5-PYRAZOLONE SODIUM SALT 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-1h-pyrazole-3-carboxylicacimonosodium Carboxysulfophenylpyrazolonesodiumsalt sodium hydrogen 4,5-dihydro-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate 3-CARBOXY-1-(4''-SULFOPHENYL)-5-PYRAZOLONE SODIUM SALT 98+% 4,5-Dihydro-5-oxo-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylic acid monosodium salt Sodium 5-oxo-1-(4-sulfophenyl)-4H-pyrazole-3-carboxylate 1-(4-Sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid·sodium salt Tartrazine Impurity 1 CARBOXYSULFOPHENYL PYRAZOLONE 3-Carboxy-1-(4-sulfophenyl)-5-pyrazolone Sodium Salt > 5-Oxo-1-(4-sulfophenyl)-2-pyrazoline-3-carboxylic Acid Sodium Salt 3-Carboxy-1-(4-sulfophenyl)-5-pyrazolone Sodium Salt 98.0% 3-Carboxy-1-(4-sulfophenyl)-5-pyrazoloneSodiumSal 52126-51-9 C10H7N2NaO6S C10H7N2O6SNa