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Identify Suppliers 2025 Properties Safty

2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid delta-lactone

BGC Id:	212061913111
CAS No:	520-45-6
Synonyms:	geogard(r) 361 ; geogard(r) 221 ; dehydro-aceticaci ; dehydracetic acid ; dehydracetsaeure ; dehydroacetic acid ; dhaa ; dha ; geogard(r) 111a ; dehydranone
Molecular Formula:	C8H8O4
Molecular Weight:	168.15
EINECS:	208-293-9

The most competitive supplier in 2025

The following notable provider has been checked and can be recommended.

Carbone Scientific Co., Ltd.

Company type: Supplier

Phone: +44 (0)203 769 4441 ext 1
Telefax: +44 (0)203 769 4441 ext 2
Country: U.K.

Carbone scientific is located at London, UK. We are mainly engaged in the marketing development, R&D, technical support and service. Carbone Scientific Co., Ltd. is a seller of (2-Chlorophenyl)cyclopentylketone. Carbone scientific provides fine chemicals, pharmaceutical intermediates, and active pharmaceutical ingredients to the global marketplaces. Our aim is to make those most popular products available to these pharmaceuti ...

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What other providers are available for CAS 520-45-6?

The last intensive check and update was carried out on 2025/10/16.

Identify

Synonyms:

geogard(r) 361 ; geogard(r) 221 ; dehydro-aceticaci ; dehydracetic acid ; dehydracetsaeure ; dehydroacetic acid ; dhaa ; dha ; geogard(r) 111a ; dehydranone

CAS:

520-45-6

EINECS:

208-293-9

Molecular Formula:

C8H8O4

MDL:

MFCD00066709

Properties

Molecular Weight:

168.15 g·mol−1

Melting point:

111-113 °C(lit.)

Boiling point:

270 °C(lit.)

Flash point:

157 °C

Safety Information

Hazard Symbols: Xn

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

22 (R)

Safety Codes:

22 (S)

WGK Germany:

RTECS:

UP8050000

Storage temperature:

0-6°C

What other providers are available for CAS 520-45-6?

In addition to the providers presented here for 2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid delta-lactone with the CAS number 520-45-6, there are other 70 providers with slightly different product names available for this CAS number.

Cosgard

Xingrui Industry Co., Limited

Elixi-KON DHA

+1 additional providers that we know from the past

Elixi-KON PDB

Dehydroacetic acid

3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione

Win-Win Chemical Co., Limited | BLD Pharmatech Ltd +3 additional providers that we know from the past

3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one

Capot Chemical Co., Ltd. | BuGuCh & Partners +1 additional providers that we know from the past