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Dehydroacetic acid

Dehydroacetic acid Structure
Dehydroacetic acid structure
CAS No.
771-03-9
Chemical Name:
Dehydroacetic acid
Synonyms
Einecs 212-227-4;Dehydroacetic enol form
CBNumber:
CB6497170
Molecular Formula:
C8H8O4
Molecular Weight:
168.15
MDL Number:
MFCD00006634
MOL File:
771-03-9.mol
Last updated:2026-09-12 18:54:17
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Dehydroacetic acid Properties

Melting point 112 °C
Boiling point 305.0±42.0 °C(Predicted)
Density 1.369±0.06 g/cm3(Predicted)
storage temp. Sealed in dry,Room Temperature
pka 5.27±0.50(Predicted)
Odor at 100.00%. odorless
Cosmetics Ingredients Functions PRESERVATIVE
LogP 0.221 (est)
FDA UNII 2KAG279R6R

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302
Precautionary statements  P261-P280-P305+P351+P338-P304+P340

Dehydroacetic acid price More Price(19)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Biosynth AAA77103 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one 771-03-9 100g $440 2026-06-04 Buy
Biosynth AAA77103 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one 771-03-9 250g $550 2026-06-04 Buy
Biosynth AAA77103 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one 771-03-9 500g $690 2026-06-04 Buy
Ambeed A553322 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one 95% 771-03-9 5g $20 2026-06-05 Buy
Ambeed A553322 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one 95% 771-03-9 25g $25 2026-06-05 Buy
Product number Packaging Price Buy
AAA77103 100g $440 Buy
AAA77103 250g $550 Buy
AAA77103 500g $690 Buy
A553322 5g $20 Buy
A553322 25g $25 Buy

Dehydroacetic acid Chemical Properties, Uses, Production

Uses

3-acetyl-4-hydroxy-6-methyl-2H-pyran-2-one is a reagent used in the preparation of of 2,4-disubstituted-1,5-benzodiazepines of CNS active agents.

Dehydroacetic acid Preparation Products And Raw materials

Raw materials

Preparation Products

2,6-Dimethyl-4H-pyran-4-one 4-Hydroxy-6-methyl-2-pyrone 4-Hydroxy-6-methyl-3-(2-phenylethanehydrazonoyl)-2H-pyran-2-one 1-[1-(4-Chlorophenyl)-5-hydroxy-3-methyl-1H-pyrazol-4-yl]-3-hydroxy-2-buten-1-one

Dehydroacetic acid Suppliers

Global Suppliers ( 15)
Supplier Tel Email Country ProdList Advantage
Aikon International Limited 025-58859352 19370895928 sales01@aikonchem.com China 15078 58
BOC Sciences +1-631-485-4226 inquiry@bocsci.com United States 19935 58
Antai Fine Chemical Technology Co.,Limited 18503026267 info@antaichem.com CHINA 9631 58
Shanghai Haohong Pharmaceutical Co., Ltd. 400-8210725 4008210725 malulu@leyan.com China 54996 58
Hebei Zhenjia new material Co., LTD 0319-5925599 13315915972 13313090628@163.com China 2913 58
Bide Pharmatech Ltd. 400-1647117 13681763483 product02@bidepharm.com China 59929 58
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd 029-029-029-81148696 18161915376 1027@dideu.com China 9989 58
Zhengzhou Converging Chemical Co. LTD 0371-53399770 18037166334 3857571523@qq.com China 7124 58
Suzhou Zhixin Biotechnology Co., Ltd. 0512-65118909 18100677375 sales@szzxbio.com China 1129 58
TLC Pharmaceutical Standards Ltd. 18012923235 chinasales04@tlcstandards.com.cn China 8301 58
Supplier Advantage
Aikon International Limited 58
BOC Sciences 58
Antai Fine Chemical Technology Co.,Limited 58
Shanghai Haohong Pharmaceutical Co., Ltd. 58
Hebei Zhenjia new material Co., LTD 58
Bide Pharmatech Ltd. 58
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd 58
Zhengzhou Converging Chemical Co. LTD 58
Suzhou Zhixin Biotechnology Co., Ltd. 58
TLC Pharmaceutical Standards Ltd. 58

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Einecs 212-227-4 Dehydroacetic enol form 771-03-9