23806-24-8

Name 3-Methyl-2-thiophenecarboxylic acid
CAS 23806-24-8
EINECS(EC#) 245-894-5
Molecular Formula C6H6O2S
MDL Number MFCD00005438
Molecular Weight 142.18
MOL File 23806-24-8.mol
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Chemical Properties

Appearance white to light yellow crystal powder
Melting point  147-149 °C(lit.)
Boiling point  229.75°C (rough estimate)
density  1.365 (estimate)
refractive index  1.5300 (estimate)
storage temp.  Keep in dark place,Sealed in dry,2-8°C
form  solid
pka 3.68±0.10(Predicted)
color  White to Light yellow to Light orange
Detection Methods HPLC,NMR
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)

Safety Data

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P280a-P304+P340-P305+P351+P338-P405-P501a
Hazard Codes  Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S24/25:Avoid contact with skin and eyes .
WGK Germany  3
Hazard Note  Irritant
HazardClass  IRRITANT
HS Code  29349990
Storage Class 11 - Combustible Solids

Raw materials And Preparation Products

Hazard Information

Material Safety Data Sheet(MSDS)

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