8.22011
Dehydroacetic acid
for synthesis
Synonym(s):
Dehydroacetic acid, 3-Acetyl-3,4-dihydro-6-methyl-2H-pyran-2,4-dione
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About This Item
Empirical Formula (Hill Notation):
C8H8O4
CAS Number:
Molecular Weight:
168.15
MDL number:
UNSPSC Code:
12352115
EC Index Number:
208-293-9
NACRES:
NA.22
Recommended Products
vapor pressure
0.001 hPa ( 20 °C)
Quality Level
Assay
≥99.0% (acidimetric)
form
powder
autoignition temp.
336 °C
potency
1000 mg/kg LD50, oral (Rat)
pH
4 (20 °C, 2 g/L in H2O)
bp
270 °C/1013 hPa
mp
109-111 °C
transition temp
flash point 157 °C
Analysis Note
Assay (acidimetric): ≥ 99.0 %
Melting range (lower value): ≥ 109 °C
Melting range (upper value): ≤ 112 °C
Identity (IR): passes test
Melting range (lower value): ≥ 109 °C
Melting range (upper value): ≤ 112 °C
Identity (IR): passes test
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 1
Flash Point(F)
314.6 °F
Flash Point(C)
157 °C
Certificates of Analysis (COA)
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