Substance
ID:306415
Names and Identifiers
IUPAC name
3-acetyl-6-methyl-3,4-dihydro-2H-pyran-2,4-dione
IUPAC Traditional name
dehydroacetic acid
Synonyms
Dehydroacetic acid2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid δ-lactone脱氢乙酸3-乙酰基-6-甲基-2,4-吡喃二酮
Properties
Physical Property
Melting Point
109.0-111.0 °C (opt. transm.)
111-113 °C(lit.)
Flash Point
314.6 °F
157 °C
Apperance
crystalline
powder
Boiling Point
270 °C(lit.)
Safety Information
RTECS
UP8050000
European Hazard Symbols
Harmful (Xn)Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
GHS Signal Word
Warning
GHS Hazard statements
H302
GHS Pictograms
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
MSDS Link
German water hazard class
1
Risk Statements
22
Product Information
Purity
99.0-100.3% (w/w) (T)
Empirical Formula (Hill Notation)
C8H8O4
Grade
Lonza quality
Molecule Details
Analysis Note
transparence: >63.2%; 420 nm, 10 mm 1g/30 mL MeOH
transparence: >63.2%; 420 nm, 10 mm 1g/30 mL MeOH
Molecular Spectra
No Data Available
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References
No Data Available
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