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Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: (4-chlorophenyl)-(1,5-diphenylpyrazol-4-yl)diazene
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40640-31-1

40640-31-1 structure

40640-31-1 structure

Name: (4-chlorophenyl)-(1,5-diphenylpyrazol-4-yl)diazene
Chemical Name: (4-chlorophenyl)-(1,5-diphenylpyrazol-4-yl)diazene
CAS Number: 40640-31-1
Molecular Formula: C₂₁H₁₅ClN₄
Molecular Weight: 358.82400
Create Date: 2017-08-13 14:41:34
Modify Date: 2025-09-20 13:27:34

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

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

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

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