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1,2-Pentadiene,4-methyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 13643-05-5 Structure
  • Basic information

    1. Product Name: 1,2-Pentadiene,4-methyl-
    2. Synonyms: 4-Methyl-1,2-pentadiene;Isopropylallene
    3. CAS NO:13643-05-5
    4. Molecular Formula: C6H10
    5. Molecular Weight: 82.1436
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 13643-05-5.mol
  • Chemical Properties

    1. Melting Point: -94.9°C (estimate)
    2. Boiling Point: 67.2°Cat760mmHg
    3. Flash Point: °C
    4. Appearance: /
    5. Density: 0.674g/cm3
    6. Vapor Pressure: 159mmHg at 25°C
    7. Refractive Index: 1.4
    8. Storage Temp.: N/A
    9. Solubility: N/A
    10. CAS DataBase Reference: 1,2-Pentadiene,4-methyl-(CAS DataBase Reference)
    11. NIST Chemistry Reference: 1,2-Pentadiene,4-methyl-(13643-05-5)
    12. EPA Substance Registry System: 1,2-Pentadiene,4-methyl-(13643-05-5)
  • 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: 13643-05-5(Hazardous Substances Data)

13643-05-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13643-05-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,6,4 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 13643-05:
(7*1)+(6*3)+(5*6)+(4*4)+(3*3)+(2*0)+(1*5)=85
85 % 10 = 5
So 13643-05-5 is a valid CAS Registry Number.
InChI:InChI=1/C6H10/c1-4-5-6(2)3/h5-6H,1H2,2-3H3

13643-05-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-methylpenta-1,2-diene

1.2 Other means of identification

Product number -
Other names 4-Methyl-penta-1,2-dien

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:13643-05-5 SDS

13643-05-5Relevant articles and documents

Radical-Chain Addition of Benzenethiol to Allenes. Analysis of Steric Effects and Reversibility

Pasto, Daniel J.,Warren, Steven E.,Morrison, Marjorie A.

, p. 2837 - 2841 (2007/10/02)

The radical-chain addition of benzenethiol to the monoalkylallenes 1a-e and the 1,1-dialkylallenes 6 and 8 has been studied.Attack by the benzenethiyl radical occurs at C2 and C3 of 1b-e in a ratio of 83:17.Increased attack (25percent) at C3 occurs with tert-butylallene (1a).The 1,1-dialkylallenes undergo attack only at C2.Deuterium-labeling studies indicate that the thiyl radical addition step is not detectably reversible under the reaction conditions.The internal alkene adducts 2, 3, 9 and 10 are the kinetically favored products.Rapid and reversible addition of the thiyl radical to the adducts results in complete stereochemical equilibration during the course of the reaction.The hydrogen atom abstraction step is reversible under the reaction conditions with 1a and 8 but not with 6 or the other monoalkylallenes.Treatment of the adducts derived from 1a and 8 with a catalytic quantity of iodine results in isomerization to the more thermodynamically stable adducts 4 and 11.The kinetics and thermodynamics of these reactions are discussed, and steric strain energies for the CH3...SC6H5 and t-Bu...SC6H5 interactions have been estimated to be 0.8-0.9 and 3.9-4.0 kcal/mol, respectively.

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