4-Nitro-1H-pyrazole

Modify Date: 2026-07-01 08:24:08

4-Nitro-1H-pyrazole structure	Common Name	4-Nitro-1H-pyrazole
	CAS Number	2075-46-9	Molecular Weight	113.07
	Density	1.6±0.1 g/cm3	Boiling Point	334.0±15.0 °C at 760 mmHg
	Molecular Formula	C₃H₃N₃O₂	Melting Point	160-164°C
	MSDS	Chinese USA	Flash Point	155.8±20.4 °C
	Symbol	GHS05, GHS07	Signal Word	Danger

Use of 4-Nitro-1H-pyrazole

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

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

Name	4-Nitropyrazole
Synonym	More Synonyms

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

Description	4-Nitro-1H-pyrazole is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
Related Catalog	Research Areas >> Others

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

Density	1.6±0.1 g/cm3
Boiling Point	334.0±15.0 °C at 760 mmHg
Melting Point	160-164°C
Molecular Formula	C₃H₃N₃O₂
Molecular Weight	113.07
Flash Point	155.8±20.4 °C
Exact Mass	113.022530
PSA	74.50000
LogP	0.59
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.612
InChIKey	XORHNJQEWQGXCN-UHFFFAOYSA-N
SMILES	O=[N+]([O-])c1cn[nH]c1

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

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

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ7880000

CHEMICAL NAME :: Pyrazole, 4-nitro-

CAS REGISTRY NUMBER :: 2075-46-9

LAST UPDATED :: 199410

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C3-H3-N3-O2

MOLECULAR WEIGHT :: 113.09

WISWESSER LINE NOTATION :: T5MNJ DNW

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

DOSE/DURATION :: 500 ug/plate

REFERENCE :: ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 8,611,1986

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

Symbol	GHS05, GHS07
Signal Word	Danger
Hazard Statements	H302-H318
Precautionary Statements	P280-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes	Xn: Harmful;Xi: Irritant;
Risk Phrases	R22
Safety Phrases	S26-S39
RIDADR	NONH for all modes of transport
RTECS	UQ7880000
HS Code	2933199090

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor 10
CAS#:288-13-1 Pyrazole CAS#:7119-95-1 1-Nitropyrazole CAS#:181294-57-5 2-nitro-3-(prop... CAS#:3469-69-0 4-Iodopyrazole
CAS#:2980-33-8 3,5-dinitropyri... CAS#:137811-93-9 1H-1,2,4-triazo... CAS#:80772-98-1 6-Nitro-[1,2,4]... CAS#:80772-99-2 2-Methyl-6-nitr...
CAS#:123767-91-9 2-Trifluorometh... CAS#:3112-31-0 3,5-Pyrazoledic...
DownStream 10
CAS#:39753-81-6 (4-NITRO-PYRAZO... CAS#:58793-45-6 1-ETHYL-4-NITRO... CAS#:33064-36-7 1H-Pyrazole-3-c... CAS#:3994-50-1 1-Methyl-4-nitr...
CAS#:28466-26-4 4-Amino-1H-pyrazole CAS#:88095-61-8 1-Benzyl-4-nitr... CAS#:876343-24-7 1-ETHYL-1H-PYRA... CAS#:54210-32-1 1-methyl-3-nitr...
CAS#:69843-13-6 1-Methyl-1H-pyr... CAS#:103286-54-0 4-Chloro-1H-pyr...

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%

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

4-Nitropyrazole

4-Nitro-1H-imidazole

4,NO2-pyrazole

4-nitro-1h-pyrazol

4-Notropyrazole

4-Nitroimidazole

Pyrazole,4-nitro

4-nitro-pyrazole

4-nitro-pyrazol

MFCD00159626

4-Nitro-1H-pyrazole

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

Q: What is the polar surface area (PSA) of 4-Nitropyrazole?

A: Polar surface area (PSA) of 4-Nitropyrazole is 74.50000.

Q: What English synonyms does 4-Nitropyrazole have?

A: English synonyms of 4-Nitropyrazole: 4-Nitropyrazole, 4-Nitro-1H-imidazole, 4,NO2-pyrazole, 4-nitro-1h-pyrazol, 4-Notropyrazole, 4-Nitroimidazole, Pyrazole,4-nitro, 4-nitro-pyrazole, 4-nitro-pyrazol, MFCD00159626, 4-Nitro-1H-pyrazole.

Q: What is the CAS number of 4-Nitropyrazole?

A: CAS number of 4-Nitropyrazole is 2075-46-9.

Q: What are the upstream materials of 4-Nitropyrazole?

A: Related upstream materials(CAS) of 4-Nitropyrazole: 288-13-1;7119-95-1;181294-57-5;3469-69-0;2980-33-8;137811-93-9;80772-98-1;80772-99-2;123767-91-9;3112-31-0.

Q: What is the InChIKey of 4-Nitropyrazole?

A: InChIKey of 4-Nitropyrazole is XORHNJQEWQGXCN-UHFFFAOYSA-N.

Q: What is the SMILES notation of 4-Nitropyrazole?

A: SMILES notation of 4-Nitropyrazole is O=[N+]([O-])c1cn[nH]c1.

Q: What is the boiling point of 4-Nitropyrazole?

A: Boiling point of 4-Nitropyrazole is 334.0±15.0 °C at 760 mmHg.

Q: What is the molecular weight of 4-Nitropyrazole?

A: Molecular weight of 4-Nitropyrazole is 113.07.

Q: What is the English name of 4-Nitropyrazole?

A: The English name of 4-Nitropyrazole is 4-Nitropyrazole.

Q: What is the LogP of 4-Nitropyrazole?

A: LogP of 4-Nitropyrazole is 0.59.

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.

Zhongshan Xingrui Chemical Co. , Ltd.

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.

Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4-Nitro-1H-pyrazole
Price: Check
Purity: 99.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

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

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: 4-Nitro-1H-pyrazole
Price: ￥Inquiry/25kg
Purity: 99.0%
Delivery: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

Get all suppliers and price by the below link:

4-Nitro-1H-pyrazole suppliers

4-Nitro-1H-pyrazole price

4-Nitro-1H-pyrazole

Use of 4-Nitro-1H-pyrazole

Names