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500-05-0 - Coumalic acid, 97% - 2-Pyrone-5-carboxylic acid - B25521 - Alfa Aesar

B25521 Coumalic acid, 97%

CAS Number
500-05-0
Synonyms
2-Pyrone-5-carboxylic acid

Size Price ($) Quantity Availability
5g 30.70
25g 94.30
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Coumalic acid, 97%

MDL
MFCD00006644
EINECS
207-899-0

Chemical Properties

Formula
C6H4O4
Formula Weight
140.10
Melting point
ca 208° dec.
Boiling Point
218°/120mm
Solubility
Very soluble in water.

Applications

Coumalic acid undergoes thermal reaction with 1,3-butadiene to yield dimethyl tricycle[3.2.1.02,7]oct-3-ene-2,4-dicarboxylate.

Notes

Stable under recommended storage conditions. Incompatible with oxidizing agents.

Literature References

George A.Kraus; Sean Riley; Travis Cordes. Aromatics from pyrones: para-substituted alkyl benzoates from alkenes, coumalic acid and methyl coumalate. Green Chem. 2011, 13,(10), 2734-2736.

 

Michio Ohi; Takashi Kitamura; Shuichi Hata. Stimulation by caffeic acid, coumalic acid, and corilagin of the germination of resting spores of the clubroot pathogen Plasmodiophora brassicae. Bioscience, Biotechnology, and Biochemistry. 2003, 67,(1), 170-173.

Precursor, by decarboxylation, of 2-pyrone (ɑ-pyrone), a valuable diene in the Diels-Alder reaction: Org. Synth. Coll., 5, 982 (1973).

GHS Hazard and Precautionary Statements

Precautionary Statements: P260u-P201-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310a-P405-P501a

Obtain special instructions before use. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Merck
14,2557
Beilstein
119747
Harmonized Tariff Code
2932.20
TSCA
Yes

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