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18826-62-5

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18826-62-5 Usage

General Description

Benzene, 1-methyl-3-(1-propynyl)- (9CI) is a chemical compound with the molecular formula C10H10. It is a colorless liquid with a characteristic sweet odor, and is primarily used in the production of various industrial chemicals such as styrene, cyclohexane, and phenol. It is also used as a solvent in a variety of industries, including the manufacturing of adhesives, rubber, and pharmaceuticals. However, exposure to benzene, 1-methyl-3-(1-propynyl)- (9CI) has been linked to serious health risks, including an increased risk of cancer and damage to the bone marrow. As a result, its use and handling are strictly regulated in many countries to minimize the risk of exposure to this potentially hazardous chemical.

Check Digit Verification of cas no

The CAS Registry Mumber 18826-62-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,8,2 and 6 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 18826-62:
(7*1)+(6*8)+(5*8)+(4*2)+(3*6)+(2*6)+(1*2)=135
135 % 10 = 5
So 18826-62-5 is a valid CAS Registry Number.
InChI:InChI=1/C10H10/c1-3-5-10-7-4-6-9(2)8-10/h4,6-8H,1-2H3

18826-62-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 1-methyl-3-prop-1-ynylbenzene

1.2 Other means of identification

Product number -
Other names 1-(m-Methyl-phenyl)-propin

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:18826-62-5 SDS

18826-62-5Relevant articles and documents

Enantioselective Addition of α-Nitroesters to Alkynes

Davison, Ryan T.,Parker, Patrick D.,Hou, Xintong,Chung, Crystal P.,Augustine, Sara A.,Dong, Vy M.

supporting information, p. 4599 - 4603 (2021/01/18)

By using Rh–H catalysis, we couple α-nitroesters and alkynes to prepare α-amino-acid precursors. This atom-economical strategy generates two contiguous stereocenters, with high enantio- and diastereocontrol. In this transformation, the alkyne undergoes isomerization to generate a RhIII–π-allyl electrophile, which is trapped by an α-nitroester nucleophile. A subsequent reduction with In powder transforms the allylic α-nitroesters to the corresponding α,α-disubstituted α-amino esters.

Regio- And stereoselective electrochemical synthesis of sulfonylated enethers from alkynes and sulfonyl hydrazides

Du, Wu-Bo,Wang, Ning-Ning,Pan, Chao,Ni, Shao-Fei,Wen, Li-Rong,Li, Ming,Zhang, Lin-Bao

supporting information, p. 2420 - 2426 (2021/04/07)

An electrooxidative direct difunctionalization of internal alkynes with sulfonyl hydrazides has been developed for the construction of sulfonated enethers. In this transformation, metal catalysts or stoichiometric amount of oxidants are not required and molecular nitrogen and hydrogen are the sole byproducts, providing a simple and green approach for preparing various sulfonyl tetrasubstituted alkenes. Notably, the protocol could be efficiently scaled up and the follow-up procedures of the corresponding functionalized alkenes demonstrate the practicality of the electrochemical synthesis.

Palladium-catalyzed methylation of terminal alkynes

Wang, Wei-Feng,Wu, Xiao-Feng

, (2019/10/22)

In this communication, a palladium-catalyzed procedure for the methylation of terminal alkynes has been developed. With N,N,N-trimethylbenzenaminium trifluoromethanesulfonate as the methyl source, various desired products were obtained in moderate to good yields. Both aromatic and aliphatic alkynes are applicable.

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