3-Thienylmalonic acid

Modify Date: 2025-08-23 11:43:47

3-Thienylmalonic acid Structure
3-Thienylmalonic acid structure
Common Name 3-Thienylmalonic acid
CAS Number 21080-92-2 Molecular Weight 186.185
Density 1.6±0.1 g/cm3 Boiling Point 396.8±32.0 °C at 760 mmHg
Molecular Formula C7H6O4S Melting Point 139 °C (dec.)(lit.)
MSDS Chinese USA Flash Point 193.8±25.1 °C
Symbol GHS07
GHS07
Signal Word Warning

 Names

Name 2-thiophen-3-ylpropanedioic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.6±0.1 g/cm3
Boiling Point 396.8±32.0 °C at 760 mmHg
Melting Point 139 °C (dec.)(lit.)
Molecular Formula C7H6O4S
Molecular Weight 186.185
Flash Point 193.8±25.1 °C
Exact Mass 185.998672
PSA 102.84000
LogP 1.13
Vapour Pressure 0.0±1.0 mmHg at 25°C
Index of Refraction 1.628

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi
Risk Phrases R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Phrases S26-S36
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2942000000

 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%

 Synonyms

thiophen-3-ylpropanedioic acid
EINECS 244-198-9
3-ThiopheneMalonic Acid
3-Thiophene malonic acid
Propanedioic acid,3-thienyl
3-Thienylpropanedioic acid
2-(Thiophen-3-yl)malonic acid
Propanedioic acid, 3-thienyl-
3-Thienylmalonic acid
Propanedioic acid, 2-(3-thienyl)-
thien-3-ylmalonic acid
thiophene-3-malonic acid
MFCD00005469
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