5-Methly-2-thiophenecarboxylic acid

Modify Date: 2024-01-03 17:22:27

5-Methly-2-thiophenecarboxylic acid Structure
5-Methly-2-thiophenecarboxylic acid structure
Common Name 5-Methly-2-thiophenecarboxylic acid
CAS Number 14282-78-1 Molecular Weight 142.176
Density 1.3±0.1 g/cm3 Boiling Point 277.2±20.0 °C at 760 mmHg
Molecular Formula C6H6O2S Melting Point 122-126 °C(lit.)
MSDS Chinese USA Flash Point 121.5±21.8 °C
Symbol GHS07
GHS07
Signal Word Warning

 Names

Name 4-Methylthiophene-2-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 277.2±20.0 °C at 760 mmHg
Melting Point 122-126 °C(lit.)
Molecular Formula C6H6O2S
Molecular Weight 142.176
Flash Point 121.5±21.8 °C
Exact Mass 142.008850
PSA 65.54000
LogP 2.03
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.591

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H317-H319
Precautionary Statements P280-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes Xi: Irritant;
Risk Phrases R36
Safety Phrases S26-S37/39
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2934999090

 Synthetic Route

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

5-Methyl-2-thiophenecarboxylic acid
5-methylthiophene-2-carboxylic acid
4-Methyl-2-thiophenecarboxylic acid
2-Thiophenecarboxylic acid, 4-methyl-
5-Methly-2-thiophenecarboxylic acid
4-Methyl-thiophene-2-carboxylic acid
4-METHYLTHIOPHENE-2-CARBOXYLIC ACID
2-Thiophenecarboxylic acid, 5-methyl-
MFCD00089284
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