2-Bromo-5-methylthiophene

Name	Bromomethylthiophene
Synonyms	Bromomethylthiophene 2-Bromo-5-methylthio 2-Bromo-5-Methylthiophene 5-Bromo-2-methylthiophene 5-Methyl-2-bromothiophene 2-BROMO-5-METHYLTHIOPHENOL 2-Bromo-5-methylthiophene (stabilized with Copper chip + NaHCO3)
CAS	765-58-2
EINECS	212-151-1
InChI	InChI=1/C5H5BrS/c1-4-2-3-5(6)7-4/h2-3H,1H3
InChIKey	ACDLOOGOFKSUPO-UHFFFAOYSA-N

Molecular Formula	C5H5BrS
Molar Mass	177.06
Density	1.552 g/mL at 25 °C (lit.)
Boling Point	65 °C/15 mmHg (lit.)
Flash Point	173°F
Vapor Presure	1.45mmHg at 25°C
Appearance	Liquid Which May Contain Some Precipitate
Specific Gravity	1.552
Color	Yellow
Storage Condition	2-8°C
Refractive Index	n20/D 1.569(lit.)
MDL	MFCD00130103

Hazard Symbols	Xi - Irritant
Risk Codes	R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed
Safety Description	S23 - Do not breathe vapour. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany	3
HS Code	29339900
Hazard Class	IRRITANT

Overview	2-bromo-5-methylthiophene is an important drug intermediate, the electrophilic substitution reaction is more likely to occur than benzene, and the main substitution is in the 2 position. The hydrogen at the 2-position of thiophene is also easily substituted by a metal to produce derivatives of Mercury, sodium, and the like.
Use	2-bromo-5-methylthiophene is a heterocyclic compound and can be used as an intermediate in organic synthesis.

Last Update：2024-04-10 22:29:15

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