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521191

Sigma-Aldrich

1-Ethynyl-4-methoxy-2-methylbenzene

97%

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About This Item

Linear Formula:
CH3OC6H3(CH3)C≡CH
CAS Number:
Molecular Weight:
146.19
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

assay

97%

form

solid

mp

30-34 °C (lit.)

SMILES string

COc1ccc(C#C)c(C)c1

InChI

1S/C10H10O/c1-4-9-5-6-10(11-3)7-8(9)2/h1,5-7H,2-3H3

InChI key

IETBNYUYILAKFK-UHFFFAOYSA-N

General description

1-Ethynyl-4-methoxy-2-methylbenzene is an aromatic acetylene derivative. Its reaction with 2-diazo-5,5-dimethylcyclohexanedione (diazodimedone) has been reported to afford cycloadducts.

Application

1-Ethynyl-4-methoxy-2-methylbenzene may be used in the preparation of 5-chloro-3-[(4-methoxy-2-methylphenyl)ethynyl]pyridin-2-amine.

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Eye Irrit. 2 - Skin Sens. 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

201.0 °F - closed cup

flash_point_c

93.9 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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