5-Methly-2-thiophenecarboxylic acid
Names
[ CAS No. ]:
14282-78-1
[ Name ]:
5-Methly-2-thiophenecarboxylic acid
[Synonym ]:
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
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
MSDS
Safety Information
[ Symbol ]:
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
Precursor & DownStream
Precursor
DownStream
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%