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2H-Pyran-5-carboxylicacid, 2-oxo- cas no:500-05-0

Synonyms: Coumalicacid (6CI);Glutaconic acid, 4-(hydroxymethylene)-, d-lactone (7CI);2-Oxo-1(2H)-pyran-5-carboxylic acid;2-Oxo-2H-pyran-5-carboxylic acid;2-Oxopyran-5-carboxylic acid;2-Pentenedioicacid, 4-(hydroxymethylene)-, d-lactone;NSC 22978;a-Pyrone-5-carboxylic acid;

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Identification
Chemical Properties
Safety Data

Identification

Name2H-Pyran-5-carboxylicacid, 2-oxo-
CAS500-05-0
SynonymsCoumalicacid (6CI);Glutaconic acid, 4-(hydroxymethylene)-, d-lactone (7CI);2-Oxo-1(2H)-pyran-5-carboxylic acid;2-Oxo-2H-pyran-5-carboxylic acid;2-Oxopyran-5-carboxylic acid;2-Pentenedioicacid, 4-(hydroxymethylene)-, d-lactone;NSC 22978;a-Pyrone-5-carboxylic acid;
EINECS(EC#)207-899-0
Molecular FormulaC₆H₄O₄
Molecular Weight140.09

Chemical Properties

AppearanceTan powder.
storage tempStore in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Safety Data

Hazard Xi
Safety

Hazard Codes: Irritant Xi
Safety Statements: 22-24/25
S22:Do not breathe dust.
S24/25:Avoid contact with skin and eyes.
WGK Germany: 3

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