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18212-21-0

18212-21-0 structure
18212-21-0 structure
  • Name: 4-Methyl-1,2,3-thiadiazole-5-carboxylic acid
  • Chemical Name: 4-methylthiadiazole-5-carboxylic acid
  • CAS Number: 18212-21-0
  • Molecular Formula: C4H4N2O2S
  • Molecular Weight: 144.152
  • Create Date: 2018-12-01 21:23:28
  • Modify Date: 2025-08-25 13:09:04
Name 4-methylthiadiazole-5-carboxylic acid
Synonyms 4-Methyl-1,2,3-thiadiazole-5-carboxylic acid
4-methyl-5-hydroxycarbonyl-1,2,3-thiadiazole
5-carboxy-4-methyl-1,2,3-thiadiazole
1,2,3-Thiadiazole-5-carboxylic acid, 4-methyl-
4-methyl-1,2,3-thiadiazolyl-5-carboxylic acid
MFCD00173830
Density 1.5±0.1 g/cm3
Boiling Point 315.2±34.0 °C at 760 mmHg
Melting Point 166 °C
Molecular Formula C4H4N2O2S
Molecular Weight 144.152
Flash Point 144.4±25.7 °C
Exact Mass 143.999344
PSA 91.32000
LogP 0.93
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.608
Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36/37/39-S37/39
HS Code 2934999090
HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
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