1-(4'-Sulfophenyl)-3-carboxy-5-pyrazolone

Modify Date: 2025-08-22 13:11:34

1-(4'-Sulfophenyl)-3-carboxy-5-pyrazolone Structure
1-(4'-Sulfophenyl)-3-carboxy-5-pyrazolone structure
 Common Name 1-(4'-Sulfophenyl)-3-carboxy-5-pyrazolone
CAS Number 118-47-8 Molecular Weight 284.245
Density 1.7±0.1 g/cm3 Boiling Point N/A
Molecular Formula C10H8N2O6S Melting Point 260-270
MSDS N/A Flash Point N/A

 Names

Name 1-(4'-Sulfophenyl)-3-carboxy-5-pyrazolone
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.7±0.1 g/cm3
Melting Point 260-270
Molecular Formula C10H8N2O6S
Molecular Weight 284.245
Exact Mass 284.010315
PSA 132.72000
LogP -0.84
Index of Refraction 1.695
Storage condition -20°C

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UQ6393920
CHEMICAL NAME :
1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-
CAS REGISTRY NUMBER :
118-47-8
LAST UPDATED :
199709
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C10-H8-N2-O6-S

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>22 gm/kg
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - other changes
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 28(12),56,1984
TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>22 gm/kg
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - other changes
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 28(12),56,1984

 Safety Information

Hazard Codes Xi
HS Code 2933199090

 Customs

HS Code 2933199090
Summary 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

p-SCOP (1 : 4 SPCP)
MFCD00020755
3-Carboxy-1-(4-sulfophenyl)-2-pyrazolin-5-one
3-Carboxy-1-(4-sulfo-phenyl)-pyrazolon-5
5-Oxo-1-(4-sulfophenyl)-2,5-dihydro-1H-pyrazole-3-carboxylic acid
pyt
PYRAZOLONE T
5-oxo-1-(4-sulfo-phenyl)-2,5-dihydro-1H-pyrazole-3-carboxylic acid
SPCP
1-(4-SULFOPHENYL)-3-CARBOXY-5-PYRAZOLONE
4-(4-sulfo-1-phenylazo)-1-(4-sulfophenyl)-5-hydroxy-pyrazolone-3-carboxylic acid
carboxypyrazoltcacid4
PYRAZALONE T
1-(4'-Sulphophenyl)-3-carboxy-5-pyrazolone
EINECS 204-254-5
5-oxo-1-(4-sulfophenyl)-2-pyrazoline-3-carboxylic acid
1H-Pyrazole-3-carboxylic acid, 2,5-dihydro-5-oxo-1-(4-sulfophenyl)-
5-oxo-1-(4-sulphophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid
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Chemsrc provides CAS#:118-47-8 MSDS, density, melting point, boiling point, structure, etc. Its name is 1-(4'-Sulfophenyl)-3-carboxy-5-pyrazolone>> amp version: 1-(4'-Sulfophenyl)-3-carboxy-5-pyrazolone

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