Croconic acid

Modify Date: 2025-08-22 13:59:08

Croconic acid Structure
Croconic acid structure
Common Name Croconic acid
CAS Number 488-86-8 Molecular Weight 142.06600
Density 2.311g/cm3 Boiling Point 291.7ºC at 760mmHg
Molecular Formula C5H2O5 Melting Point >300ºC(lit.)
MSDS Chinese USA Flash Point 144.4ºC

 Names

Name croconic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 2.311g/cm3
Boiling Point 291.7ºC at 760mmHg
Melting Point >300ºC(lit.)
Molecular Formula C5H2O5
Molecular Weight 142.06600
Flash Point 144.4ºC
Exact Mass 141.99000
PSA 91.67000
Vapour Pressure 1.98E-06mmHg at 25°C
Index of Refraction 1.619
Stability Stable. Incompatible with strong oxidizing agents.
Water Solubility Soluble in water and ethanol.

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi
Risk Phrases 36/37/38
Safety Phrases 37/39-26
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2916190090

 Synthetic Route

 Customs

HS Code 2914400090
Summary 2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

 Synonyms

4,5-dihydroxycyclopent-4-ene-1,2,3-trione
4,5-Dihydroxy-4-Cyclopentene-1,2,3-Trione
Croconic Acid
MFCD00181389
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