4-(4-Chlorophenyl)-1H-pyrazol-5-amine

Modify Date: 2025-09-16 13:53:35

4-(4-Chlorophenyl)-1H-pyrazol-5-amine Structure
4-(4-Chlorophenyl)-1H-pyrazol-5-amine structure
Common Name 4-(4-Chlorophenyl)-1H-pyrazol-5-amine
CAS Number 40545-65-1 Molecular Weight 193.63300
Density 1.378g/cm3 Boiling Point 419ºC at 760 mmHg
Molecular Formula C9H8ClN3 Melting Point N/A
MSDS N/A Flash Point 207.2ºC

 Names

Name 4-(4-Chlorophenyl)-1H-pyrazol-5-amine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.378g/cm3
Boiling Point 419ºC at 760 mmHg
Molecular Formula C9H8ClN3
Molecular Weight 193.63300
Flash Point 207.2ºC
Exact Mass 193.04100
PSA 54.70000
LogP 2.89350
Index of Refraction 1.67
InChIKey CTDDRNREDMYWMI-UHFFFAOYSA-N
SMILES Nc1[nH]ncc1-c1ccc(Cl)cc1

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UQ5250000
CHEMICAL NAME :
Pyrazole, 3-amino-4-(p-chlorophenyl)-
CAS REGISTRY NUMBER :
40545-65-1
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C9-H8-Cl-N3
MOLECULAR WEIGHT :
193.65
WISWESSER LINE NOTATION :
T5MNJ CZ DR DG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689

 Safety Information

HS Code 2933199090

 Synthetic Route

~%

4-(4-Chlorophenyl)-1H-pyrazol-5-amine Structure

4-(4-Chlorophen...

CAS#:40545-65-1

Literature: Russian Journal of Organic Chemistry, , vol. 48, # 8 p. 1111 - 1120 Zh. Org. Khim., , vol. 48, # 8 p. 1113 - 1121,9

 Precursor & DownStream

Precursor  1

DownStream  0

 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

3-Amino-4(p-chlorophenyl)-pyrazole
4-(p-Chlorophenyl)-3-amino-pyrazole
3-amino-4-(4-chlorophenyl)-1H-pyrazol
3-Amino-4-(p-chlorophenyl)pyrazol
USAF EL-83
4-(4-chlorphenyl)-1h-pyrazol-5-amin
4-(4-chloro-phenyl)-1(2)H-pyrazol-3-ylamine
3-Amino-4-(p-chlor-phenyl)-pyrazol
Pyrazole,3-amino-4-(p-chlorophenyl)
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