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4127-45-1

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4127-45-1 Usage

General Description

1,1,2-Trimethyl cyclopropane is a chemical compound with the molecular formula C7H12. It is a cycloalkane with a cyclopropane ring and three methyl groups attached to the carbon atoms. 1,1,2-TRIMETHYL CYCLOPROPANE is a highly flammable liquid that is typically used as a solvent and as a reagent in organic synthesis. It is considered to be a highly reactive compound due to the strain in the cyclopropane ring, which makes it vulnerable to ring-opening reactions. 1,1,2-trimethyl cyclopropane is also used in the production of pharmaceuticals and agrochemicals due to its unique chemical properties and reactivity. Additionally, it is also used in the manufacturing of flavors and fragrances.

Check Digit Verification of cas no

The CAS Registry Mumber 4127-45-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,2 and 7 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 4127-45:
(6*4)+(5*1)+(4*2)+(3*7)+(2*4)+(1*5)=71
71 % 10 = 1
So 4127-45-1 is a valid CAS Registry Number.
InChI:InChI=1/C6H12/c1-5-4-6(5,2)3/h5H,4H2,1-3H3

4127-45-1SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name 1,1,2-trimethylcyclopropane

1.2 Other means of identification

Product number -
Other names 1,2-Trimethylcyclopropane

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:4127-45-1 SDS

4127-45-1Relevant articles and documents

Photolysis of Gaseous Tetramethylethylene between 185 and 230 nm

Collin, Guy J.,Deslauriers, Helene,Wieckowski, Andrzej

, p. 944 - 949 (1981)

The far-UV photolysis of gaseous tetramethyletylene was carried out at 184.9 (mercury line), 202,4-213.8 (zinc lines), and 214.4-228.8 nm (cadmium lines).The photoproducts may be divided int two groups.In the first one, the quantum yield of each product decreases with increase in the total pressure.The proposed mechanism involves the α(C-CH3) or the β(C-H) fragmentation of the photoexcited molecule.Excited (CH3)2CC(CH3)CH2* radicals decompose further at 184.9 nm, and 2,3-dimethyl-1,3-butadiene and 3-methyl-1,2-butadiene are the products.Excited (CH3)2C=CCH3* radicals decompose further, and 2-butyne and isoprene are the products.Isomers 2,3-dimethyl-1-butene, 1,1,2-trimethylcyclopropane, and 3,3-dimethyl-1-butene are products of the second group; its quantum yield increases with an increase in the total pressure.The results support a collisionally induced preisomerization mechanism.Finally, it seems that both groups of products are formed from a different set of excited states

The high pressure photochemistry of alkenes. III. The 184.9 nm photoisomerization processes in acyclic alkenes

Collin, Guy J.,Deslauriers, Helene

, p. 1424 - 1430 (2007/10/02)

We have made a systematic study of the 184.9 nm photoisomerization of the gaseous acyclic alkenes.Apart from the cis-trans isomerization (geometric isomerization), we have also observed the formation of products arising from the 1,3-hydrogen and methylene shifts (structural isomerization). 1-Alkenes do not show evidence of structural isomerization.This kind of isomerization increases with an increase in the number of alkyl substituents around the double bound.These observations, combined with those from the literature, may be explained on the basis of the following: (a) the 1?,?* state is involved in cis-trans isomerization process; (b) the 1?,R(3s) state is responsible for the methylene shifts; (c) another singlet state is required for the 1,3-hydrogen shift; (d) this last state is either at an energy level higher than that of the Rydberg state or the hot ground state.Finally, the photoexcited molecules, through internal conversion, may convert from one state to another, and their lifetime is long enough to be stabilized by collision.

Photoisomerization of gaseous tetramethylethylene in the far ultraviolet

Collin, Guy J.,Deslauriers, Helene

, p. 1510 - 1515 (2007/10/02)

We have studied the gaseous photoisomerization of tetramethylethylene at 184.9 nm in the presence of various quenchers.The quantum yield of isomers is a function of the pressure, such that =a+b.It is shown that the isomerization efficiency of a quencher M correlates with the intermolecular well depth between the photoexcited molecule A* and the quencher M, ε.The log of the efficiency of isomerization is a linear function of this well depth.Moreover, molecular oxygen, nitric oxide, and temperature have distinctive effects on the photoisomerization quantum yield measured at 213.8 nm: oxygen has a reverse effect, whereas nitric oxide induces a very strong isomerization.

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