219177
4,5-Dimethylthiazole
97%
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About This Item
Empirical Formula (Hill Notation):
C5H7NS
CAS Number:
Molecular Weight:
113.18
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
222-703-3
MDL number:
Product Name
4,5-Dimethylthiazole, 97%
InChI key
UWSONZCNXUSTKW-UHFFFAOYSA-N
InChI
1S/C5H7NS/c1-4-5(2)7-3-6-4/h3H,1-2H3
SMILES string
Cc1ncsc1C
assay
97%
form
powder
refractive index
n20/D 1.521 (lit.)
bp
158 °C/742 mmHg (lit.)
density
1.07 g/mL at 25 °C (lit.)
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Application
4,5-Dimethylthiazole was used in the preparation of 4-(bromomethyl)-5-(dibromomethyl)thiazole.
General description
Radical bromination of 4,5-dimethylthiazole using N-bromosuccinimide in the presence of 2,2′-azobisisobutyronitrile yields mono-, tri- and tetrabromo compounds.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_f
123.8 °F - closed cup
flash_point_c
51 °C - closed cup
Regulatory Information
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Mouaffak Al Hariri et al.
The Journal of organic chemistry, 62(2), 405-410 (1997-01-24)
4-(Bromomethyl)-5-(dibromomethyl)thiazole (1) was prepared in good yields by bromination of 4,5-dimethylthiazole with 3.3 equiv of NBS in the presence of AIBN. Treatment of 1 with sodium iodide led to a thiazole o-quinodimethane 2 which was trapped in situ with dienophiles
Selective Bromination of 4, 5-Dimethylthiazole with N-Bromosuccinimide.
Al Hariri M, et al.
European Journal of Organic Chemistry, 1998(4), 593-594 (1998)
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