18212-21-0

Name 4-Methyl-1,2,3-thiadiazole-5-carboxylic acid
CAS 18212-21-0
Molecular Formula C4H4N2O2S
MDL Number MFCD00173830
Molecular Weight 144.15
MOL File 18212-21-0.mol
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Chemical Properties

Appearance white to light yellow crystal powde
Melting point  169-173 °C (D)
Boiling point  315.2±34.0 °C(Predicted)
density  1.530±0.06 g/cm3(Predicted)
storage temp.  Keep in dark place,Inert atmosphere,Room temperature
solubility  Aqueous Base (Slightly), DMSO
form  Solid
pka 1.33±0.37(Predicted)
color  Off-White
Detection Methods HPLC,NMR,MS
InChI 1S/C4H4N2O2S/c1-2-3(4(7)8)9-6-5-2/h1H3,(H,7,8)
InChIKey NHHQOYLPBUYHQU-UHFFFAOYSA-N
SMILES Cc1nnsc1C(O)=O
CAS DataBase Reference 18212-21-0(CAS DataBase Reference)

Safety Data

Hazard Codes  Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S37/39:Wear suitable gloves and eye/face protection .
WGK Germany  3
Hazard Note  Irritant
HazardClass  IRRITANT
HS Code  29349990
Storage Class 11 - Combustible Solids

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