Skip to Content
MilliporeSigma
All Photos(3)

Key Documents

View All Documentation

521191

Sigma-Aldrich

1-Ethynyl-4-methoxy-2-methylbenzene

97%

Sign Into View Organizational & Contract Pricing

Select a Size

1 G
$99.50
5 G
$450.00

$99.50

List Price$199.00Save 50%
Web-Only Promotion

Available to ship onApril 22, 2025Details

Request a Bulk Order
All Photos(3)

Select a Size

Change View
1 G
$99.50
5 G
$450.00

About This Item

Linear Formula:
CH3OC6H3(CH3)C≡CH
CAS Number:
74331-69-4
Molecular Weight:
146.19
MDL number:
MFCD05865155
UNSPSC Code:
12352100
PubChem Substance ID:
24874194
NACRES:
NA.22

$99.50

List Price$199.00Save 50%
Web-Only Promotion

Available to ship onApril 22, 2025Details

Request a Bulk Order

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

Related Categories

General description

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

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.[1]

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H317,H319

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

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
0000204962
MKBK8139V
MKBF7232
MKBC3271

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Slide 1 of 1

1 of 1

Phenylacetylene 98%

Sigma-Aldrich

117706

Phenylacetylene

Regioselective Synthesis of Highly Functionalized Furans Through the RuII-Catalyzed [3+ 2] Cycloaddition of Diazodicarbonyl Compounds.
Xia L and Yong RL.
European Journal of Organic Chemistry, 16, 3430-3442 (2014)
The acid-catalysed synthesis of 7-azaindoles from 3-alkynyl-2-aminopyridines and their antimicrobial activity.
Leboho TC, et al.
Organic & Biomolecular Chemistry, 12(2), 307-315 (2014)

Questions

Reviews

No rating value

Active Filters

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service