4-Chloro-1H-pyrazole

Modify Date: 2025-08-25 21:34:08

4-Chloro-1H-pyrazole structure	Common Name	4-Chloro-1H-pyrazole
	CAS Number	15878-00-9	Molecular Weight	102.522
	Density	1.4±0.1 g/cm3	Boiling Point	220.0±0.0 °C at 760 mmHg
	Molecular Formula	C₃H₃ClN₂	Melting Point	75-76ºC
	MSDS	Chinese USA	Flash Point	98.8±5.4 °C

Name	4-Chloro-1H-pyrazole
Synonym	More Synonyms

Density	1.4±0.1 g/cm3
Boiling Point	220.0±0.0 °C at 760 mmHg
Melting Point	75-76ºC
Molecular Formula	C₃H₃ClN₂
Molecular Weight	102.522
Flash Point	98.8±5.4 °C
Exact Mass	101.998474
PSA	28.68000
LogP	1.26
Vapour Pressure	0.2±0.4 mmHg at 25°C
Index of Refraction	1.563
InChIKey	BADSZRMNXWLUKO-UHFFFAOYSA-N
SMILES	Clc1cn[nH]c1
Storage condition	2~8 ℃

4-Chloro-1H-pyrazole MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ6445000

CHEMICAL NAME :: Pyrazole, 4-chloro-

CAS REGISTRY NUMBER :: 15878-00-9

BEILSTEIN REFERENCE NO. :: 0106355

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C3-H3-Cl-N2

MOLECULAR WEIGHT :: 102.53

WISWESSER LINE NOTATION :: T5MNJ EG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 527 mg/kg

TOXIC EFFECTS :: Behavioral - anticonvulsant Behavioral - somnolence (general depressed activity)

REFERENCE :: AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 121,443,1959

Hazard Codes	Xi
Risk Phrases	R36/37/38
Safety Phrases	S26
HS Code	2933199090

Precursor 5
CAS#:288-13-1 Pyrazole CAS#:3112-31-0 3,5-Pyrazoledic... CAS#:56-23-5 Carbon tetrachloride CAS#:7782-50-5 Chlorine
CAS#:2075-45-8 4-Bromopyrazole
DownStream 5
CAS#:35852-81-4 4-Chloro-1-meth... CAS#:80199-86-6 (4-chloropyrazo... CAS#:80200-05-1 4-[2-(4-chlorop... CAS#:88670-78-4 4-chloro-1-[2-(...
CAS#:87844-47-1 4-chloro-1-hydr...

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%

4-Chloropyrazole

MFCD00159634

1H-Pyrazole, 4-chloro-

4-Chloro-1H-pyrazole

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4-Chloro-1H-pyrazole
Price: Check
Purity: 97.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 4-Chloro-1H-pyrazole
Price: ￥678.0/25g ￥228.0/5g
Purity: 98.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

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

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