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556440

1-Ethynyl-2,4-difluorobenzene

Name: 1-Ethynyl-2,4-difluorobenzene
Brand: ALDRICH

97%

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About This Item

Linear Formula:

HC≡CC₆H₃F₂

CAS Number:

302912-34-1

Molecular Weight:

138.11

NACRES:

NA.22

PubChem Substance ID:

24879558

UNSPSC Code:

12352100

MDL number:

MFCD02093726

Assay:

97%

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Properties

Quality Segment

200

assay

97%

mp

29-32 °C (lit.)

functional group

fluoro

storage temp.

2-8°C

SMILES string

Fc1ccc(C#C)c(F)c1

InChI

1S/C8H4F2/c1-2-6-3-4-7(9)5-8(6)10/h1,3-5H

InChI key

HRUJQXRGWQWYDH-UHFFFAOYSA-N

Description

General description

1-Ethynyl-2,4-difluorobenzene is an alkyne bearing fluoro group in the phenyl ring.

Application

1-Ethynyl-2,4-difluorobenzene (CM) may be used to synthesize sulfonatedpoly(aryleneether)s containing CM and TFP [4-[Trifluorovinyl(oxy)]phenol]. It may also be employed for the preparation of 4-(2,4-difluorophenylethynyl)-3-methyl-5-phenylisoxazole.

pictograms

GHS02,GHS07

signalword

Warning

hcodes

H228,H315,H319,H335

pcodes

P210 - P240 - P241 - P261 - P302 + P352 - P305 + P351 + P338

Hazard Classifications

Eye Irrit. 2 - Flam. Sol. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

4.1B - Flammable solid hazardous materials

flash_point_f

91.4 °F - closed cup

flash_point_c

33 °C - closed cup

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

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