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1,5-Dimethylpyrazole, a pyrazole derivative with the molecular formula C5H8N2, is a colorless liquid characterized by a slightly sweet odor. It is soluble in water and most organic solvents, making it a versatile building block in organic synthesis. This chemical compound is known for its wide range of applications across various industries, including its use as a corrosion inhibitor for copper and copper alloys, and in the production of pharmaceuticals, agricultural chemicals, polymers, and coordination compounds.

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  • 694-31-5 Structure
  • Basic information

    1. Product Name: 1,5-Dimethylpyrazole
    2. Synonyms: ART-CHEM-BB B006758;AKOS PAO-1110;AKOS B006758;1,5-DIMETHYL-1H-PYRAZOLE;1,5-Dimethylpyrazole;1H-Pyrazole, 1,5-diMethyl-;1,5- two Methylpyrazole
    3. CAS NO:694-31-5
    4. Molecular Formula: C5H8N2
    5. Molecular Weight: 96.13
    6. EINECS: 1312995-182-4
    7. Product Categories: Pyrazole
    8. Mol File: 694-31-5.mol
  • Chemical Properties

    1. Melting Point: 82.75°C (estimate)
    2. Boiling Point: 158°C(lit.)
    3. Flash Point: 38.6 °C
    4. Appearance: /
    5. Density: 0.9813
    6. Refractive Index: 1.4790 to 1.4830
    7. Storage Temp.: Sealed in dry,Room Temperature
    8. Solubility: N/A
    9. PKA: 2.83±0.10(Predicted)
    10. CAS DataBase Reference: 1,5-Dimethylpyrazole(CAS DataBase Reference)
    11. NIST Chemistry Reference: 1,5-Dimethylpyrazole(694-31-5)
    12. EPA Substance Registry System: 1,5-Dimethylpyrazole(694-31-5)
  • Safety Data

    1. Hazard Codes: Xi,T
    2. Statements: 25
    3. Safety Statements: 45
    4. RIDADR: UN 1993 3/PG III
    5. WGK Germany:
    6. RTECS:
    7. HazardClass: IRRITANT
    8. PackingGroup: III
    9. Hazardous Substances Data: 694-31-5(Hazardous Substances Data)

694-31-5 Usage

Uses

Used in Corrosion Inhibition:
1,5-Dimethylpyrazole is used as a corrosion inhibitor for copper and copper alloys, providing protection against environmental degradation and extending the service life of these materials.
Used in Pharmaceutical Production:
1,5-Dimethylpyrazole is used as a key component in the synthesis of various pharmaceuticals, contributing to the development of new drugs and therapeutic agents.
Used in Agricultural Chemicals:
1,5-Dimethylpyrazole is utilized in the production of agricultural chemicals, helping to improve crop yields and protect plants from pests and diseases.
Used in Polymer Synthesis:
1,5-Dimethylpyrazole is employed as a building block in the synthesis of polymers, which have a wide range of applications in various industries, including plastics, textiles, and coatings.
Used in Coordination Compounds:
This chemical is used in the synthesis of coordination compounds, which are important in various fields such as catalysis, materials science, and medicinal chemistry.
Safety Precautions:
It is crucial to handle 1,5-Dimethylpyrazole with care due to its flammable nature and potential to cause skin and eye irritation upon contact. Proper safety measures should be taken to minimize risks during its use and storage.

Check Digit Verification of cas no

The CAS Registry Mumber 694-31-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,9 and 4 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 694-31:
(5*6)+(4*9)+(3*4)+(2*3)+(1*1)=85
85 % 10 = 5
So 694-31-5 is a valid CAS Registry Number.
InChI:InChI=1/C5H8N2/c1-5-3-4-6-7(5)2/h3-4H,1-2H3

694-31-5 Well-known Company Product Price

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  • Aldrich

  • (L510521)  1,5-Dimethylpyrazole  AldrichCPR

  • 694-31-5

  • L510521-1G

  • 321.75CNY

  • Detail

694-31-5SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name 1,5-Dimethylpyrazole

1.2 Other means of identification

Product number -
Other names 1,5-Dimethylphenazinium methyl sulfate

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:694-31-5 SDS

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