Melting point :147-149 °C(lit.)
Boiling point :229.75°C (rough estimate)
Density :1.365 (estimate)
refractive index :1.5300 (estimate)
storage temp. :2-8°C(protect from light)
form :solid
pka :3.68±0.10(Predicted)
color :White to Light yellow to Light orange
BRN :116184
InChI :InChI=1S/C6H6O2S/c1-4-2-3-9-5(4)6(7)8/h2-3H,1H3,(H,7,8)
InChIKey :IFLKEBSJTZGCJG-UHFFFAOYSA-N
SMILES :C1(C(O)=O)SC=CC=1C
CAS DataBase Reference :23806-24-8(CAS DataBase Reference)
NIST Chemistry Reference :3-Methyl-2-thiophenecarboxylic acid(23806-24-8)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405 Store locked up.