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40243-75-2

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40243-75-2 Usage

General Description

2,3-Dimethylstyrene is a chemical compound with the molecular formula C10H12. It is a colorless to pale yellow liquid that is commonly used in the production of polymers and resins. 2,3-Dimethylstyrene is widely used as a monomer in the manufacturing of various plastics, including polystyrene and thermosetting resins. 2,3-Dimethylstyrene is also utilized in the production of adhesives and coatings, as well as in the formulation of specialty chemicals. It is important to handle this chemical with care, as it is flammable and can pose health risks if not used properly. Overall, 2,3-Dimethylstyrene is an important and versatile chemical in the production of various industrial and consumer products.

Check Digit Verification of cas no

The CAS Registry Mumber 40243-75-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,2,4 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 40243-75:
(7*4)+(6*0)+(5*2)+(4*4)+(3*3)+(2*7)+(1*5)=82
82 % 10 = 2
So 40243-75-2 is a valid CAS Registry Number.

40243-75-2SDS

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 2,3-dimethyl-styrene

1.2 Other means of identification

Product number -
Other names 1,2-Dimethyl-3-vinyl-benzene

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:40243-75-2 SDS

40243-75-2Relevant articles and documents

THE PHENYLCARBENE REARRANGEMENT REVISITED

Gaspar, Peter P.,Hsu, Jong-Pyng,Chari, Sarangan,Jones, Maitland Jr.

, p. 1479 - 1508 (2007/10/02)

The evolution of mechanistic ideas about the phenylcarbene rearrangement has been reviewed, and three closely linked problems have been identified toward whose solution this research has been aimed: 1.Why do the ratios of the stable end products from the rearrangements of o-, m- and p-tolylmethylene differ when all three reactions have been thought to pass through a common intermediate? 2.Why does the rearrangement of 2-methylcycloheptatrienylidene lead to exclusive formation of styrene? 3.What is the mechanism of styrene formation from o-tolylmethylene? New mechanisms have been proposed in which m- and p-tolylmethylene can rearrange to styrene without necessarily being converted to o-tolylmethylene.The formation of a small amount of 2,6-dimethylstyrene from the rearrangement of 3,4,5-trimethylphenylmethylene is viewed as evidence for such a mechanism, and a set of interconverting norcaradienylidenes are believed to be the crucial intermediates.Other alternatives are considered and rejected on the basis of the rearrangement products of 3,5-dimethyl- and 3,4,5-trimethylphenylmethylene.

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