Dehydroacetic acid

$100.00 25KG

$100.00 50KG

$100.00 100KG

career henan chemical co

VIP8Y

China

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Chemical Properties

CR248

Product Name:	Dehydroacetic acid
Synonyms:	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
CAS:	520-45-6
MF:	C8H8O4
MW:	168.15
EINECS:	212-227-4
Product Categories:	Dehydroacetic acid and derivatives;Diketene Derivatives;Miscellaneous Specialties;DHA
Mol File:	520-45-6.mol

Dehydroacetic acid Chemical Properties

Melting point	111-113 °C(lit.)
Boiling point	270 °C(lit.)
Fp	157°C
storage temp.	0-6°C
solubility	2g/l
form	Fine Crystalline Powder
color	Light yellow or cream
PH	4 (2g/l, H2O, 20℃)
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 Information

Dehydroacetic acid Usage And Synthesis

Chemical Properties	white to light yellow crystal powder
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
Uses	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.
Uses	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.
Uses	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.
Uses	antifungal, antibacterial

Dehydroacetic acid Preparation Products And Raw materials

Raw materials	Sodium hydroxide-->Hydrochloric acid-->Toluene-->Triethylamine-->Benzene-->Ethyl acetoacetate-->Sodium ethoxide-->Acetyl ketene-->Triethylenediamine-->Polymerization inhibitor-->FISH OIL
Preparation Products	Sodium dehydroacetate -->Clopidol

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