Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3,5-Dimethyl-4-nitro-1H-pyrazole
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 3,5-Dimethyl-4-nitro-1H-pyrazole
Price: ￥3898.0/25g ￥1148.0/5g
Purity: 98.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3,5-Dimethyl-4-nitro-1H-pyrazole
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

14531-55-6

14531-55-6 structure

14531-55-6 structure

Name: 3,5-Dimethyl-4-nitro-1H-pyrazole
Chemical Name: 3,5-Dimethyl-4-nitropyrazole
CAS Number: 14531-55-6
Molecular Formula: C₅H₇N₃O₂
Molecular Weight: 141.128
Create Date: 2018-05-13 08:00:00
Modify Date: 2025-08-21 16:39:05

Name	3,5-Dimethyl-4-nitropyrazole
Synonyms	3,5-Dimethyl-4-nitro-1H-pyrazole MFCD00052513 1H-Pyrazole, 3,5-dimethyl-4-nitro-

Density	1.3±0.1 g/cm3
Boiling Point	304.5±37.0 °C at 760 mmHg
Melting Point	123-125ºC
Molecular Formula	C₅H₇N₃O₂
Molecular Weight	141.128
Flash Point	138.0±26.5 °C
Exact Mass	141.053833
PSA	74.50000
LogP	1.51
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.578

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ6585000

CHEMICAL NAME :: Pyrazole, 3,5-dimethyl-4-nitro-

CAS REGISTRY NUMBER :: 14531-55-6

BEILSTEIN REFERENCE NO. :: 0125474

LAST UPDATED :: 199612

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C5-H7-N3-O2

MOLECULAR WEIGHT :: 141.15

WISWESSER LINE NOTATION :: T5MNJ C1 DNW E1

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 :: 325 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

DOSE/DURATION :: 2500 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

Hazard Codes	Xi
HS Code	2933199090

Precursor 10
67-51-6 2033-45-6 2946-89-6 123-54-6
956477-62-6 72950-51-7 1122-04-9 1123-49-5
70951-87-0 29917-12-2
DownStream 9
21487-24-1 28466-21-9 5272-86-6 1125-30-0
2033-45-6 65325-30-6 90773-45-8 5920-56-9
62078-43-7

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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