(4-chlorophenyl)-(1,5-diphenylpyrazol-4-yl)diazene

Modify Date: 2025-09-20 13:27:34

(4-chlorophenyl)-(1,5-diphenylpyrazol-4-yl)diazene Structure
(4-chlorophenyl)-(1,5-diphenylpyrazol-4-yl)diazene structure
 Common Name (4-chlorophenyl)-(1,5-diphenylpyrazol-4-yl)diazene
CAS Number 40640-31-1 Molecular Weight 358.82400
Density 1.23g/cm3 Boiling Point 555.5ºC at 760 mmHg
Molecular Formula C21H15ClN4 Melting Point N/A
MSDS N/A Flash Point 289.7ºC

 Names

Name (4-chlorophenyl)-(1,5-diphenylpyrazol-4-yl)diazene
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.23g/cm3
Boiling Point 555.5ºC at 760 mmHg
Molecular Formula C21H15ClN4
Molecular Weight 358.82400
Flash Point 289.7ºC
Exact Mass 358.09900
PSA 42.54000
LogP 6.60810
Index of Refraction 1.656

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UQ6457000
CHEMICAL NAME :
1H-Pyrazole, 4-((4-chlorophenyl)azo)-1,5-diphenyl-
CAS REGISTRY NUMBER :
40640-31-1
BEILSTEIN REFERENCE NO. :
0692319
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C21-H15-Cl-N4
MOLECULAR WEIGHT :
358.85

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
320 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPMSAE Journal of Pharmaceutical Sciences. (American Pharmaceutical Assoc., 2215 Constitution Ave., NW, Washington, DC 20037) V.50- 1961- Volume(issue)/page/year: 62,494,1973

 Synonyms

4-((4-Chlorophenyl)azo)-1,5-diphenyl-1H-pyrazole
1,5-Diphenyl-4-(4'-chlorphenyl)azo-pyrazol
1H-Pyrazole,4-((4-chlorophenyl)azo)-1,5-diphenyl
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Chemsrc provides CAS#:40640-31-1 MSDS, density, melting point, boiling point, structure, etc. Its name is (4-chlorophenyl)-(1,5-diphenylpyrazol-4-yl)diazene>> amp version: (4-chlorophenyl)-(1,5-diphenylpyrazol-4-yl)diazene

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