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2495-32-1

1-Pentene, 4,4-dimethyl-3-methylene-, also known as 4,4-dimethyl-3-methylene-1-pentene, is an organic compound with the molecular formula C8H14. It is a colorless liquid with a strong, pungent odor. This chemical is a member of the alkene class, specifically a branched-chain alkene, and features a double bond between the first and second carbon atoms. The molecule has two methyl groups attached to the fourth carbon, and a methylene group (CH2) is present between the third and fourth carbon atoms, which contributes to its unique structure. It is used in the synthesis of various chemicals and as a building block in the production of polymers and other organic compounds. Due to its reactivity, it is important to handle this chemical with care, following proper safety protocols.

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  • 2495-32-1 Structure

  • Basic information

    1. Product Name: 1-Pentene,4,4-dimethyl-3-methylene-
    2. Synonyms: 1,3-Butadiene,2-tert-butyl- (6CI,7CI,8CI); 1,3-Butadiene, 2-(1,1-dimethylethyl)-;2-tert-Butyl-1,3-butadiene; 2-tert-Butylbutadiene
    3. CAS NO:2495-32-1
    4. Molecular Formula: C8H14
    5. Molecular Weight: 110.199
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 2495-32-1.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: 1-Pentene,4,4-dimethyl-3-methylene-(CAS DataBase Reference)
    10. NIST Chemistry Reference: 1-Pentene,4,4-dimethyl-3-methylene-(2495-32-1)
    11. EPA Substance Registry System: 1-Pentene,4,4-dimethyl-3-methylene-(2495-32-1)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 2495-32-1(Hazardous Substances Data)

2495-32-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2495-32-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,4,9 and 5 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 2495-32:
(6*2)+(5*4)+(4*9)+(3*5)+(2*3)+(1*2)=91
91 % 10 = 1
So 2495-32-1 is a valid CAS Registry Number.

2495-32-1SDS

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 4,4-dimethyl-3-methylenepent-1-ene

1.2 Other means of identification

Product number -
Other names 2-t-butyl-1,3-butadiene

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:2495-32-1 SDS

2495-32-1Relevant articles and documents

Highly Substituted 1,3-Dienes, IV. An Experimental and Theoretical Study of the Stereochemical Properties of 2-tert-Butyl-1,3-butadiene and 2,3-Di-tert-butyl-1,3-butadiene

Traetteberg, Marit,Hopf, Henning,Lipka, Helmut,Haenel, Ralf

, p. 1459 - 1468 (2007/10/02)

The molecular structure and conformation of 2-tert-butyl-1,3-butadiene (1) and of 2,3-di-tert-butyl-1,3-butadiene (2) have been studied by the gas electron diffraction method.The monosubstituted compound is observed to have a gauche orientation (φ = 32 deg) of the conjugated C=C bonds.The forces determining the preferred conformation of this molecule (syn or gauche) appear to be similar to those operative in the case of the high-energy conformer of unsubstituted 1,3-butadiene.The disubstituted compound has an approximately perpendicular orientation of the C=C-C=C system (φ = 101.5 deg), and in this case the preferred orientation is described as a result of minimalization of the nonbonded interactions. - Theoretical calculations of the structure and conformation of the two molecules have been carried out by molecular mechanics (MM3) and by ab initio (HF/3-21G) methods.The results from both sets of calculations are in good agreement with the observed structures of the two compounds. - Key Words: Dienes, conjugated / Conformation / Butadienes, orthogonal, gauche / Gas electron diffraction

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