3-Amino-4-bromopyrazole

Modify Date: 2026-07-15 17:29:34

3-Amino-4-bromopyrazole Structure
3-Amino-4-bromopyrazole structure
Common Name 3-Amino-4-bromopyrazole
CAS Number 16461-94-2 Molecular Weight 161.99
Density 2.0±0.1 g/cm3 Boiling Point 346.6±22.0 °C at 760 mmHg
Molecular Formula C3H4BrN3 Melting Point 133-135°C
MSDS Chinese USA Flash Point 163.4±22.3 °C
Symbol GHS07
GHS07
Signal Word Warning

 Use of 3-Amino-4-bromopyrazole


4-Bromo-1H-pyrazol-3-amine is a biochemical reagent that can be used as a biological material or organic compound for life science related research.

Summary: 3-Amino-4-bromopyrazole (Chinese name: 3-氨基-4-溴吡唑, CAS number: 16461-94-2), molecular formula C3H4BrN3, molecular weight 161.99, is a gray crystalline solid with a melting point of 133-135°C and a boiling point of 346.6±22.0 °C. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 3-Amino-4-bromopyrazole
Synonym More Synonyms

 3-Amino-4-bromopyrazole Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description 4-Bromo-1H-pyrazol-3-amine is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
Related Catalog

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 2.0±0.1 g/cm3
Boiling Point 346.6±22.0 °C at 760 mmHg
Melting Point 133-135°C
Molecular Formula C3H4BrN3
Molecular Weight 161.99
Flash Point 163.4±22.3 °C
Exact Mass 160.958847
PSA 54.70000
LogP 1.31
Vapour Pressure 0.0±0.8 mmHg at 25°C
Index of Refraction 1.700
InChIKey OELYMZVJDKSMOJ-UHFFFAOYSA-N
SMILES Nc1[nH]ncc1Br

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302-H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36/37/39
RIDADR NONH for all modes of transport
HS Code 2933199090

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

4-Bromo-1H-pyrazol-3-amine
4-Bromo-1H-pyrazol-3-ylamine
5-Amino-4-bromo-1H-pyrazole
3-Amino-4-bromo-1H-pyrazole
MFCD00053070
4-bromo-1H-pyrazol-5-amine
3-Amino-4-bromopyrazole

 3-Amino-4-bromopyrazole | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the melting point of 3-Amino-4-bromopyrazole?
A: Melting point of 3-Amino-4-bromopyrazole is 133-135°C.
Q: What are the uses of 3-Amino-4-bromopyrazole?
A: Main uses of 3-Amino-4-bromopyrazole: 4-Bromo-1H-pyrazol-3-amine is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
Q: What is the molecular weight of 3-Amino-4-bromopyrazole?
A: Molecular weight of 3-Amino-4-bromopyrazole is 161.99.
Q: What is the SMILES notation of 3-Amino-4-bromopyrazole?
A: SMILES notation of 3-Amino-4-bromopyrazole is Nc1[nH]ncc1Br.
Q: What is the polar surface area (PSA) of 3-Amino-4-bromopyrazole?
A: Polar surface area (PSA) of 3-Amino-4-bromopyrazole is 54.70000.
Q: What is the CAS number of 3-Amino-4-bromopyrazole?
A: CAS number of 3-Amino-4-bromopyrazole is 16461-94-2.
Q: What is the English name of 3-Amino-4-bromopyrazole?
A: The English name of 3-Amino-4-bromopyrazole is 3-Amino-4-bromopyrazole.
Q: What is the InChIKey of 3-Amino-4-bromopyrazole?
A: InChIKey of 3-Amino-4-bromopyrazole is OELYMZVJDKSMOJ-UHFFFAOYSA-N.
Q: What is the boiling point of 3-Amino-4-bromopyrazole?
A: Boiling point of 3-Amino-4-bromopyrazole is 346.6±22.0 °C at 760 mmHg.
Q: What is the LogP of 3-Amino-4-bromopyrazole?
A: LogP of 3-Amino-4-bromopyrazole is 1.31.

 3-Amino-4-bromopyrazolefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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