Dehydroacetic acid, CAS 520-45-6
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Appearance: off-white powder
CAS: 520-45-6
Product ID: DHAH
Purity: 98%+
Formula: C8H8O4
MW: 168.15g/mol
MP: 109 - 115C
Solubility: water insoluble
HS Code: 293220
MDL: MFCD00066709
SMILES: O=C1C(C(C)=O)C(C=C(C)O1)=O
LD50 (rat, oral) > 500mg/kg
Synonyms
3-acetyl-6-methyl-2H-pyran-2,4(3H)-dione; 3-acetyl-2-hydroxy-6-methyl-4H-pyran-4-one
Keywords
formaldehyde-free preservative; cosmetic ingredient; DHA; stabilizer; non-toxic alternative to parabens; gentle acid; mild preservative