3,4-Dihydroxy-2,5-thiophenedicarboxylic acid 2,5-diethyl ester sodium salt

Modify Date: 2024-01-17 17:56:11

3,4-Dihydroxy-2,5-thiophenedicarboxylic acid 2,5-diethyl ester sodium salt Structure
3,4-Dihydroxy-2,5-thiophenedicarboxylic acid 2,5-diethyl ester sodium salt structure
Common Name 3,4-Dihydroxy-2,5-thiophenedicarboxylic acid 2,5-diethyl ester sodium salt
CAS Number 14282-56-5 Molecular Weight 283.25300
Density 1.507g/cm3 Boiling Point 343.8ºC at 760mmHg
Molecular Formula C10H12NaO6S+ Melting Point 320-325ºC(lit.)
MSDS Chinese USA Flash Point 161.7ºC
Symbol GHS07
GHS07
Signal Word Warning

 Names

Name disodium,2,5-bis(ethoxycarbonyl)thiophene-3,4-diolate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.507g/cm3
Boiling Point 343.8ºC at 760mmHg
Melting Point 320-325ºC(lit.)
Molecular Formula C10H12NaO6S+
Molecular Weight 283.25300
Flash Point 161.7ºC
Exact Mass 283.02500
PSA 121.30000
LogP 1.51270
Vapour Pressure 4.41E-06mmHg at 25°C
Index of Refraction 1.616

 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: Irritant;
Risk Phrases R36/37/38
Safety Phrases 26-36
RIDADR NONH for all modes of transport
HS Code 2934999090

 Synthetic Route

~93%

3,4-Dihydroxy-2,5-thiophenedicarboxylic acid 2,5-diethyl ester sodium salt Structure

3,4-Dihydroxy-2...

CAS#:14282-56-5

Literature: Zhang, Hua; Qian, Chao; Chen, Xin-Zhi Journal of Chemical Research, 2011 , vol. 35, # 6 p. 339 - 340

 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

disodium 2,5-bis(ethoxycarbonyl)thiophene-3,4-dioate
disodium 2,5-dicarbethoxy-3,4-dioxythiophene
Sodium 2,5-bis(ethoxycarbonyl)thiophene-3,4-bis(olate)
2,5-dicarbethoxy-3,4-dihydroxythiophene disodium salt
disodium salt of 3,4-dihydroxythiophene-2,5-dicarboxylic acid diethyl ester
MFCD00159536
diethyl 3,4-dihydroxythiophene-2,5-dicarboxylate disodium salt
3,4-Dihydroxythiophene-2,5-dicarboxylic acid diethyl ester disodium salt
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