Croconic acid

Names

[ CAS No. ]:
488-86-8

[ Name ]:
Croconic acid

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

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.

MSDS

Click to get detail MSDS

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

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

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%