Home Categories Chemical Reagents Dehydroacetic acid
A3161012

Dehydroacetic acid , 98% , 520-45-6

Synonym(s):
2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid δ-lactone;3-Acetyl-3,4-dihydro-6-methyl-2H-pyran-2,4-dione;Dehydroacetic acid

CAS NO.:520-45-6

Empirical Formula: C8H8O4

Molecular Weight: 168.15

MDL number: MFCD00066709

EINECS: 208-293-9

Pack Size Price Stock Quantity
25G RMB36.80 In Stock
100G RMB68.00 In Stock
500G RMB212.00 In Stock
2.5KG RMB835.20 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: 111-113 °C (lit.)
Boiling point: 270 °C (lit.)
Density  1.1816 (rough estimate)
vapor pressure  0.001 hPa (20 °C)
refractive index  1.4611 (estimate)
Flash point: 157°C
storage temp.  Store below +30°C.
solubility  2g/l
form  Fine Crystalline Powder
pka 5.53±0.40(Predicted)
color  Light yellow or cream
PH 4 (2g/l, H2O, 20℃)
Odor almost odorless. slightly bitter-sweet taste.
Water Solubility  500mg/L at 25℃
Merck  14,2865
BRN  6129
Stability: Stable. Incompatible with oxidizing agents, bases, reducing agents.
InChIKey PGRHXDWITVMQBC-UHFFFAOYSA-N
LogP 0.78 at 20℃

Description and Uses

Dehydroacetic acid (DHS) is used as stabilizer for cosmetic and pharmaceutical products due to its fungicide and bactericide activity, as additive for PVC-stabilizers and for the syntheses of veterinary medicines. Product Data Sheet

Safety

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302
Precautionary statements  P264-P270-P301+P312-P501
Hazard Codes  Xn
Risk Statements  22
Safety Statements  22-26
WGK Germany  1
RTECS  UP8050000
Autoignition Temperature 336 °C
TSCA  Yes
HS Code  29322980
Toxicity LD50 orally in rats: 1000 mg/kg (Spencer)

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