Dichlorosulfophenyl-3-methylpyrazolone

Modify Date: 2025-08-24 11:53:47

Dichlorosulfophenyl-3-methylpyrazolone Structure
Dichlorosulfophenyl-3-methylpyrazolone structure
 Common Name Dichlorosulfophenyl-3-methylpyrazolone
CAS Number 84-57-1 Molecular Weight 323.15300
Density N/A Boiling Point 221ºC
Molecular Formula C10H8Cl2N2O4S Melting Point 346 °C (dec.)(lit.)
MSDS N/A Flash Point N/A

 Names

Name 1-(2,5-Dichloro-4-sulfophenyl)-3-methyl-5-pyrazolone Monohydrate
Synonym More Synonyms

 Chemical & Physical Properties

Boiling Point 221ºC
Melting Point 346 °C (dec.)(lit.)
Molecular Formula C10H8Cl2N2O4S
Molecular Weight 323.15300
Exact Mass 321.95800
PSA 95.42000
LogP 2.93410
Index of Refraction 1.645
InChIKey KCEIVWKDBLAQKL-UHFFFAOYSA-N
SMILES CC1=NN(c2cc(Cl)c(S(=O)(=O)O)cc2Cl)C(=O)C1

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DB6040000
CHEMICAL NAME :
Benzenesulfonic acid, 2,5-dichloro-4-(3-methyl-5-oxo-2-pyrazolin-1-yl)-
CAS REGISTRY NUMBER :
84-57-1
LAST UPDATED :
199701
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C10-H8-Cl2-N2-O4-S
MOLECULAR WEIGHT :
323.16
WISWESSER LINE NOTATION :
T5NNV DHJ BR BG EG DSWQ& E1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku," Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha, Czechoslovakia, 1972 Volume(issue)/page/year: -,186,1972

 Safety Information

Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36
WGK Germany 3
RTECS DB6040000

 Synonyms

Dichlorosulfophenyl-3-methylpyrazolone
EINECS 201-541-7
MFCD00035706
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