Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1H-Pyrazol-4-amine hydrochloride
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 1H-Pyrazol-4-amine hydrochloride
Price: ￥168.0/250mg ￥388.0/1g
Purity: 98.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1H-PYRAZOL-4-AMINE HYDROCHLORIDE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

4331-28-6

4331-28-6 structure

4331-28-6 structure

Name: 1H-Pyrazol-4-amine hydrochloride
Chemical Name: 1H-Pyrazol-4-amine hydrochloride
CAS Number: 4331-28-6
Molecular Formula: C₃H₆ClN₃
Molecular Weight: 119.55300
Create Date: 2018-09-21 12:07:52
Modify Date: 2025-08-25 22:09:00

Name	1H-Pyrazol-4-amine hydrochloride
Synonyms	1H-pyrazol-4-amine,hydrochloride

Boiling Point	334.5ºC at 760 mmHg
Molecular Formula	C₃H₆ClN₃
Molecular Weight	119.55300
Flash Point	182.6ºC
Exact Mass	119.02500
PSA	54.70000
LogP	1.37510

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ5775000

CHEMICAL NAME :: Pyrazole, 4-amino-, hydrochloride

CAS REGISTRY NUMBER :: 4331-28-6

LAST UPDATED :: 199012

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C3-H5-N3.Cl-H

MOLECULAR WEIGHT :: 119.57

WISWESSER LINE NOTATION :: T5MNJ DZ &GH

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 :: 300 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

Hazard Codes	Xi
HS Code	2933199090

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%

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