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337021

2-Bromo-3-methylthiophene

Name: 2-Bromo-3-methylthiophene
Brand: ALDRICH

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About This Item

Empirical Formula (Hill Notation):

C₅H₅BrS

CAS Number:

14282-76-9

Molecular Weight:

177.06

NACRES:

NA.22

PubChem Substance ID:

24860449

UNSPSC Code:

12352100

EC Number:

238-175-2

MDL number:

MFCD00059741

Assay:

95%

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Properties

assay

95%

refractive index

n20/D 1.572 (lit.)

bp

173-176 °C (lit.)

density

1.572 g/mL at 25 °C (lit.)

functional group

bromo

storage temp.

2-8°C

SMILES string

Cc1ccsc1Br

InChI

1S/C5H5BrS/c1-4-2-3-7-5(4)6/h2-3H,1H3

InChI key

YYJBWYBULYUKMR-UHFFFAOYSA-N

Description

General description

2-Bromo-3-methylthiophene is formed (approx. 90%) by bromination of 3-methyl thiophene with N-bromosuccinimide in the absence of benzoyl peroxide.

Application

2-Bromo-3-methylthiophene was used in the preparation of poly(3,3′′′-dimethyl-(2,2′:5′,2′:5′,2′′′)tetrathiophene)). It was also used in the preparation of 2-bromo-3-(bromomethyl)thiophene, lachrymatory compound.

pictograms

GHS05,GHS07

signalword

Danger

hcodes

H302,H318

pcodes

P280 - P305 + P351 + P338

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

154.4 °F - closed cup

flash_point_c

68 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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