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Postion:Product Catalog >1-Methyl-4-nitropyrazole
1-Methyl-4-nitropyrazole
  • 1-Methyl-4-nitropyrazole
  • 1-Methyl-4-nitropyrazole

1-Methyl-4-nitropyrazole NEW

Price $9 $6 $3
Package 1KG 10KG 25KG
Min. Order: 0.1KG
Supply Ability: g-kg-tons, free sample is available
Update Time: 2025-10-13

Product Details

Product Name: 1-Methyl-4-nitropyrazole CAS No.: 3994-50-1
Min. Order: 0.1KG Purity: 99%
Supply Ability: g-kg-tons, free sample is available Release date: 2025/10/13
Lead time: In stock, ready for shipment Packaging: 1kg,5kg,25kgs,200kgs;bulk
Delivery: By express, by air, by sea Origin: Manufacturer, advantage product
COA, MSDS: Available, contact us for details Note: Hot sales

1-Methyl-4-nitropyrazole

Modify Date: 2024-01-04 01:30:32

Article illustration
1-Methyl-4-nitropyrazole structure
Common Name1-Methyl-4-nitropyrazole
CAS Number3994-50-1Molecular Weight127.10100
Density1.44g/cm3Boiling Point244.4ºC at 760 mmHg
Molecular FormulaC4H5N3O2Melting PointN/A
MSDSN/AFlash Point101.6ºC








PurityQuantityBudgetInquiry

 Names

Name1-Methyl-4-nitropyrazole
SynonymMore Synonyms

 Chemical & Physical Properties

Density1.44g/cm3
Boiling Point244.4ºC at 760 mmHg
Molecular FormulaC4H5N3O2
Molecular Weight127.10100
Flash Point101.6ºC
Exact Mass127.03800
PSA63.64000
LogP0.85150
Index of Refraction1.618

 MSDS


SECTION 1: Identification of the substance/mixture and of the company/undertaking
Product identifiers
Product name: 1-Methyl-4-Nitro-1H-Pyrazole
: MNO000037
REACH No.: A registration number is not available for this substance as the substance
or its uses are exempted from registration, the annual tonnage does not
require a registration or the registration is envisaged for a later
registration deadline.


SECTION 2: Hazards identification
Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008
Acute toxicity, Oral (Category 4), H302
For the full text of the H-Statements mentioned in this Section, see Section 16.
Classification according to EU Directives 67/548/EEC or 1999/45/EC
Xn HarmfulR22
For the full text of the R-phrases mentioned in this Section, see Section 16.
Label elements
Labelling according Regulation (EC) No 1272/2008
Pictogram
Signal wordWarning
Hazard statement(s)
Harmful if swallowed.
Precautionary statement(s)none
Supplemental Hazardnone
Statements
Other hazards
This substance/mixture contains no components considered to be either persistent, bioaccumulative and
toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.

SECTION 3: Composition/information on ingredients
Substances
Molecular weight: 127,1 g/mol
Hazardous ingredients according to Regulation (EC) No 1272/2008
ComponentClassificationConcentration
1-Methyl-4-Nitro-1H-Pyrazole
Acute Tox. 4; H302<= 100 %
Hazardous ingredients according to Directive 1999/45/EC
ComponentClassificationConcentration
1-Methyl-4-Nitro-1H-Pyrazole
Xn, R22<= 100 %
For the full text of the H-Statements and R-Phrases mentioned in this Section, see Section 16

SECTION 4: First aid measures
Description of first aid measures
General advice
Consult a physician. Show this safety data sheet to the doctor in attendance.
If inhaled
If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
In case of skin contact
Wash off with soap and plenty of water. Consult a physician.
In case of eye contact
Flush eyes with water as a precaution.
If swallowed
Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
Most important symptoms and effects, both acute and delayed
The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in
section 11
Indication of any immediate medical attention and special treatment needed
No data available

SECTION 5: Firefighting measures
Extinguishing media
Suitable extinguishing media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special hazards arising from the substance or mixture
Nature of decomposition products not known.
Advice for firefighters
Wear self-contained breathing apparatus for firefighting if necessary.
Further information
No data available

SECTION 6: Accidental release measures
Personal precautions, protective equipment and emergency procedures
Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure
adequate ventilation. Avoid breathing dust.
For personal protection see section 8.
Environmental precautions
Do not let product enter drains.
Methods and materials for containment and cleaning up
Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed
containers for disposal.
Reference to other sections
For disposal see section 13.

SECTION 7: Handling and storage
Precautions for safe handling
Avoid contact with skin and eyes. Avoid formation of dust and aerosols.
Provide appropriate exhaust ventilation at places where dust is formed.
For precautions see section 2.2.
Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
Storage class (TRGS 510): Non Combustible Solids
Specific end use(s)
Apart from the uses mentioned in section 1.2 no other specific uses are stipulated

SECTION 8: Exposure controls/personal protection
Control parameters
Components with workplace control parameters
Exposure controls
Appropriate engineering controls
Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and
at the end of workday.
Personal protective equipment
Eye/face protection
Safety glasses with side-shields conforming to EN166 Use equipment for eye protection tested
and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
Skin protection
Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique
(without touching glove's outer surface) to avoid skin contact with this product. Dispose of
contaminated gloves after use in accordance with applicable laws and good laboratory practices.
Wash and dry hands.
The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and
the standard EN 374 derived from it.
Body Protection
Complete suit protecting against chemicals, The type of protective equipment must be selected
according to the concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection
For nuisance exposures use type P95 (US) or type P1 (EU EN 143) particle respirator.For higher
level protection use type OV/AG/P99 (US) or type ABEK-P2 (EU EN 143) respirator cartridges.
Use respirators and components tested and approved under appropriate government standards
such as NIOSH (US) or CEN (EU).
Control of environmental exposure
Do not let product enter drains.

SECTION 9: Physical and chemical properties
Information on basic physical and chemical properties
a) AppearanceForm: solid
b) OdourNo data available
c) Odour ThresholdNo data available
d) pHNo data available
e) Melting point/freezingNo data available
point
f) Initial boiling point and No data available
boiling range
g) Flash pointNo data available
h) Evaporation rateNo data available
i) Flammability (solid, gas) No data available
j) Upper/lowerNo data available
flammability or
explosive limits
k) Vapour pressureNo data available
l) Vapour densityNo data available
m) Relative densityNo data available
n) Water solubilityNo data available
o) Partition coefficient: n- No data available
octanol/water
p) Auto-ignitionNo data available
temperature
q) DecompositionNo data available
temperature
r) ViscosityNo data available
s) Explosive propertiesNo data available
t) Oxidizing propertiesNo data available
Other safety information
No data available

SECTION 10: Stability and reactivity
Reactivity
No data available
Chemical stability
Stable under recommended storage conditions.
Possibility of hazardous reactions
No data available
Conditions to avoid
No data available
Incompatible materials
No data available
Hazardous decomposition products
In the event of fire: see section 5

SECTION 11: Toxicological information
Information on toxicological effects
Acute toxicity
No data available
Skin corrosion/irritation
No data available
Serious eye damage/eye irritation
No data available
Respiratory or skin sensitisation
No data available
Germ cell mutagenicity
No data available
Carcinogenicity
IARC:No component of this product present at levels greater than or equal to 0.1% is identified as
probable, possible or confirmed human carcinogen by IARC.
Reproductive toxicity
No data available
Specific target organ toxicity - single exposure
No data available
Specific target organ toxicity - repeated exposure
No data available
Aspiration hazard
No data available
Additional Information
RTECS: Not available

SECTION 12: Ecological information
Toxicity
No data available
Persistence and degradability
No data available
Bioaccumulative potential
No data available
Mobility in soil
No data available
Results of PBT and vPvB assessment
This substance/mixture contains no components considered to be either persistent, bioaccumulative and
toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.
Other adverse effects
No data available

SECTION 13: Disposal considerations
Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company. Dissolve or mix the material
with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber.
Contaminated packaging
Dispose of as unused product.

SECTION 14: Transport information
UN number
ADR/RID: -IMDG: -IATA: -
UN proper shipping name
ADR/RID: Not dangerous goods
IMDG: Not dangerous goods
IATA:Not dangerous goods
Transport hazard class(es)
ADR/RID: -IMDG: -IATA: -
Packaging group
ADR/RID: -IMDG: -IATA: -
Environmental hazards
ADR/RID: noIMDG Marine pollutant: noIATA: no
Special precautions for user
No data available

SECTION 15: Regulatory information
This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006.
Safety, health and environmental regulations/legislation specific for the substance or mixture
No data available
Chemical Safety Assessment


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Toxicological Information

CHEMICAL IDENTIFICATION

  • RTECS NUMBER :

  • UQ7420000

  • CHEMICAL NAME :

  • Pyrazole, 1-methyl-4-nitro-

  • CAS REGISTRY NUMBER :

  • 3994-50-1

  • LAST UPDATED :

  • 199410

  • DATA ITEMS CITED :

  • 1

  • MOLECULAR FORMULA :

  • C4-H5-N3-O2

  • MOLECULAR WEIGHT :

  • 127.12

  • WISWESSER LINE NOTATION :

  • T5NNJ A1 DNW

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

 Safety Information

Hazard CodesXi
HS Code2933199090

 Synthetic Route

Previous 1/4 Next
Article illustration

4-Nitro-1H-pyra...

2075-46-9

Article illustration

Dimethyl sulfat...

77-78-1

~85%

Article illustration

1-Methyl-4-nitr...

3994-50-1

Literature: XCOVERY, INC. Patent: WO2009/154769 A1, 2009 ; Location in patent: Page/Page column 37 ; WO 2009/154769 A1
Article illustration

4-Nitro-1H-pyra...

2075-46-9

Article illustration

methyl iodide

74-88-4

~95%

Article illustration

1-Methyl-4-nitr...

3994-50-1

Literature: CELON PHARMA S.A.; DZWONEK, Karolina; MROCZKIEWICZ, Michal; STEFANIAK, Filip; WIECZOREK, Maciej; DUBIEL, Krzysztof; LAMPARSKA-PRZYBYSZ, Monika Patent: WO2014/20531 A1, 2014 ; Location in patent: Page/Page column 15 ;
Article illustration

4-Iodo-1-methyl...

39806-90-1

~83%

Article illustration

1-Methyl-4-nitr...

3994-50-1

Literature: Ravi; Gore, Girish M.; Sikder, Arun K.; Tewari, Surya P. Synthetic Communications, 2012 , vol. 42, # 23 p. 3463 - 3471

 Precursor & DownStream

Precursor  9

Previous 1/3 Next

  • Article illustration CAS#:2075-46-9
    4-Nitro-1H-pyrazole

  • Article illustration CAS#:77-78-1
    Dimethyl sulfate

  • Article illustration CAS#:74-88-4
    methyl iodide

  • Article illustration CAS#:39806-90-1
    4-Iodo-1-methyl...

DownStream  5

Previous 1/2 Next

  • Article illustration CAS#:69843-13-6
    1-Methyl-1H-pyr...

  • Article illustration CAS#:796845-64-2
    tert-Butyl (1-m...

  • Article illustration CAS#:1050589-65-5
    5-benzenesulfon...

  • Article illustration CAS#:89303-10-6
    2-(benzenesulfo...

 Customs

HS Code2933199090
Summary2933199090. 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%

Company Profile


    Our company is a high-tech enterprise specializing in chemical raw materials such as electronic materials, optoelectronic materials, semiconductor materials, UV monomers, silane catalysts, cosmetic raw materials, etc. The company integrates research and development, production, customized synthesis, and sales, and is committed to providing customers with high-quality chemical product solutions.


Our Company

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Our Advantage

Quality control

Based on industry norms, customer requirements, and internal quality objectives, we establish clear quality standards. By monitoring the production process in real-time, we ensure that every step conforms to the predetermined quality standards.

Excellent quality is one of the cornerstones of our success. We welcome ordering samples for quality testing.


Technological innovation

Our technological innovation is reflected in the development of new materials that are at the leading edge of the industry. These materials not only possess higher performance and lower costs but also enable sustainable use within an environmentally friendly production process.


Competitiveness

Based on rich experience in material development and production, we have established a more scientific cost control system. By ensuring product quality, and through refined management and continuous process optimization, we offer more competitive prices.


Word of mouth

Adhering to the principle of customer first, customer first, and honest service, we have established long-term business relationships with customers and are deeply welcomed and trusted by them.


Rich experience

Our products have been exported to many countries, including Germany, Spain, the United Kingdom, the United States, Australia, the Middle East, Asia, and more. We have received highly positive feedback from our clients and have established long-term friendly cooperative relationships with them.

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Safe and fast delivery

We will arrange shipment of spot products as soon as we receive payment.

Customized products are determined based on the synthesis time of different products.

 

Excellent pre-sales and after-sales service

Pre sales:

We are committed to providing the most favorable quotes and detailed information about our products and company.

After-sale service:

We assist buyers in customs clearance by providing necessary documents and information.

If there is any dispute over product quality, we are committed to providing the best solution.


Our packaging and shipping

• Packaging: 

1kg/bag or bottle, 25kg/drum, 50kg/drum, 200L/drum, 1T/bag or IBC drum, standard export packaging or packaging required by customers.

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• Shipping

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• Delivery:

Within 7 days after receiving your payment

 

Contact information

For more details, pls contact us freely.

Name: Elin

Email: jiuyitime@fdachem.com


 Sincerely hope to establish friendly business relationships with new and old customers, and jointly create a beautiful future for the fine chemical industry!




Company Profile Introduction

Our company is a high-tech enterprise specializing in chemical raw materials such as electronic materials, optoelectronic materials, semiconductor materials, UV monomers, silane catalysts, cosmetic raw materials, etc. The company integrates research and development, production, customized synthesis, and sales, and is committed to providing customers with high-quality chemical product solutions. With our agile custom synthesis capabilities and responsive supply chain system, our products have gained widespread adoption across Asian markets including Japan, South Korea, Singapore, and Malaysia, while also expanding deeply into Europe and the Americas. We have forged long-term strategic partnerships with numerous leading global enterprises in the sector. "Driving value through technology and earning trust through service" is our core mission. Looking ahead, we will continue to focus on technological breakthroughs and green innovation in new materials, collaborating with partners to build a high-quality industrial ecosystem and provide globally competitive solutions with greater foresight.

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