Dehydroacetic acid

CAS No.	520-45-6
Chemical Name:	Dehydroacetic acid
Synonyms:	DHA;dhaa;DEHYDRANONE;Geogard(R) 221;Geogard(R) 361;Geogard(R) 111A;DEHYDRACETSAEURE;DEHYDRACETIC ACID;dehydro-aceticaci;DEHYDROACETIC ACID
CBNumber:	CB0139753
Molecular Formula:	C8H8O4
Formula Weight:	168.15
MOL File:	520-45-6.mol

Dehydroacetic acid Property

mp :	111-113 °C(lit.)

bp :	270 °C(lit.)

Fp :

157°C

storage temp. :

0-6°C

Merck :

14,2865

BRN :

6129

Stability::

Stable. Incompatible with oxidizing agents, bases, reducing agents.

CAS DataBase Reference:

520-45-6(CAS DataBase Reference)

NIST Chemistry Reference:

Dehydroacetic Acid(520-45-6)

EPA Substance Registry System:

2H-Pyran-2,4(3H)- dione, 3-acetyl-6-methyl-(520-45-6)

Safety

Hazard Codes :

Risk Statements :

Safety Statements :

WGK Germany :

RTECS :

UP8050000

HS Code :

29322980

Hazardous Substances Data:

520-45-6(Hazardous Substances Data)

Dehydroacetic acid Chemical Properties,Usage,Production

Chemical Properties
white to light yellow crystal powder

Usage
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

Usage
Geogard(R) 111a preservative is based on dehydroacetic acid (DHA) and therefore are recognized by major cosmetic, toiletry and fragrance regulatory authorities worldwide for use in cosmetic and personal care products.

Usage
Geogard(R) 221 preservative is based on dehydroacetic acid (DHA) and benzyl alcohol, and therefore is recognized by major cosmetic, toiletry and fragrance regulatory authorities worldwide for use in cosmetic and personal care products.

Usage
Geogard(R) 361 preservative is based on six synergistic components, all with wide global regulatory acceptance: dehydroacetic acid (DHA); salicylic acid; benzoic acid; phenoxyethanol; benzyl alcohol; and benzethonium chloride.

Usage
antifungal, antibacterial

Dehydroacetic acid Preparation Products And Raw materials

Raw materials
Ethyl acetoacetate Acetyl ketene Polymerization inhibitor Toluene FISH OIL Triethylamine Sodium ethoxide Benzene Hydrochloric acid Sodium hydroxide Triethylenediamine

Preparation Products
Sodium dehydroacetate Clopidol

Dehydroacetic acid Suppliers Global( 147)Suppliers

Supplier	Tel	Fax	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	--	--	jkinfo@jkchemical.com;market3@jkchemical.com	CHINA	96847	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	+86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-59487313(Beijing)	+86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-88580358(Beijing)	sh@meryer.com	CHINA	40407	62
3B Pharmachem (Wuhan) International Co.,Ltd.	86-21-50328103 * 801、802、803、804 Mobile:18930552037	86-21-50328109	67055399@qq.com	CHINA	15983	69
Alfa Aesar	400-610-6006; 021-67582000	021-67582001/03/05	saleschina@alfa-asia.com	CHINA	30333	84
TCI (Shanghai) Development Co., Ltd.	--	--	info@chemicalbook.com	CHINA	22159	81
Beijing dtftchem Technology Co., Ltd.	13651141086; 86(10)60275028、60275820	86 (10) 60270825	dtftchem@sina.com	CHINA	4703	62
BeiJing Hwrk Chemicals Limted	4006990298 010-57411839 020-31335234 021-51691807	010-87653215 0757-86311057 021-55236763	sales@hwrkchemical.com	CHINA	12649	55
Energy Chemical	021-58432009 / 400-005-6266	021-58436166-800	info@energy-chemical.com	CHINA	44198	61
Capot Chemical Co., Ltd	+86 (0) 571 85 58 67 18	0086-571-85864795	sales@capotchem.com	CHINA	18282	66
Beijing Ouhe Technology Co., Ltd	+86-10-4006331231;+86-10-51280831;+86-10-82967028	+86-10-82967029	sales@ouhechem.com	CHINA	10815	60

520-45-6(Dehydroacetic acid)Related Search:

Sodium diacetate Benzoic acid Ethyl acetate Acetyl-resveratrol Kresoxim-methyl Methyl ASCORBICACID Parathion-methyl Chloroacetic acid Tetrahydro-4H-pyran-4-one Folic acid CHLOROPHOSPHONAZO III Acetyl coenzyme A sodium salt Peroxyacetic acid Centchroman Phenylacetic acid Bensulfuron methyl Trichloroacetic acid

DEHYDRACETIC ACID DEHYDRANONE DEHYDROACETIC ACID LABOTEST-BB LT00053173 3-ACETYL-3,4-DIHYDRO-6-METHYL-2H-PYRAN-2,4-DIONE 3-ACETYL-4-HYDROXY-6-METHYL-2H-PYRAN-2-ONE 3-ACETYL-4-HYDROXY-6-METHYL-2-PYRONE 3-ACETYL-6-METHYL-2H-PYRAN-2,4(3H)-DIONE 3-ACETYL-6-METHYL-2H-PYRONE-2,4-(3H)-DIONE 520-45-6 Building Blocks Carbonyl Compounds Carboxylic Acids C8 2-ACETYL-5-HYDROXY-3-OXO-4-HEXENOIC ACID DELTA-LACTONE 2-ACETYL-5-HYDROXY-3-OXO-4-HEXENOIC ACID D-LACTONE 2-ACETYL-5-HYDROXY-3-OXO-4-HEXENOIC ACID GAMMA-LACTONE 2-acetyl-5-hydroxy-3-oxo-4-hexenoicacidelta-lactone 2-Acetyl-5-hydroxy-3-oxo-4-hexenoicacid-lactone 2H-Pyran-2,4(3H)-dione, 3-acetyl-6-methyl- 2H-Pyran-2-one, 3-acetyl-4-hydroxy-6-methyl- 3-acetyl-4-hydroxy-6-methyl-2h-pyran-2-on 3-Acetyl-4-hydroxy-6-methyl-2-pyrone cyclic ketone 3-Acetyl-6-methyl-2,3-dihydropyran-2,4-dione 3-Acetyl-6-methyl-2,4-pyrandione 3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione, ion(1-) 3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione. enol form 3-acetyl-6-methyl-2h-pyran-2,4(3h)-dione.enolform 3-acetyl-6-methyl-2h-pyran-2,4(3h)-dioneenolform 3-acetyl-6-methyl-2h-pyran-4(3h)-dione 3-Acetyl-6-Methyldihydropyrandione-2,4 3-Acetyl-6-methylpyrandione-2,4 4(3H)-dione,3-acetyl-6-methyl-2H-Pyran-2 4-Hexenoic acid, 2-acetyl-5-hydroxy-3-oxo-, delta-lactone 4-hexenoicacid,2-acetyl-5-hydroxy-3-oxo,lactone -Acetyl-6-methyl-pyran-2,4-dione dehydro-aceticaci dhaa -Hexenoic acid, 2-acetyl-5-hydroxy-3-oxo-, d-lactone Kyselina dehydroacetova kyselinadehydroacetova Methylacetopyronone Organic Building Blocks 3-Acetyl-6-methyl-2-pyranone Dehydroactic acid(DHA) 3-Acetyl-6-methyl-pyran-2,4-dione DEHYDROACETIC ACID FREE ACID CRYSTALLINE PYRAN-2,4-DIONE,3-ACETYL-6-METHYL 3-Acetyl-6-methyl-2H-pyran-2,4(3H)dion DEHYDRACETSAEURE 520-43-0 3-acetyl-6-methyl-2H-pyran-2,4(3H)-dione dehydracetic acid 2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid δ-lactone, 3-Acetyl-4-hydroxy-6-methyl-2-pyrone Dehydroacetic acid and derivatives Diketene Derivatives Geogard(R) 111A Benzyl alcohol (and) dehydroacetic acid Geogard(R) 221