C8H8O4 CAS:520-45-6...

C8H8O4 CAS:520-45-6 Dehydroacetic acid
C8H8O4 CAS:520-45-6 Dehydroacetic acid
C8H8O4 CAS:520-45-6 Dehydroacetic acid
C8H8O4 CAS:520-45-6 Dehydroacetic acid

C8H8O4 CAS:520-45-6 Dehydroacetic acid

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1 Metric Ton

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  • Min.Order :1 Metric Ton
  • Purity: 99%
  • Payment Terms : L/C,D/A,D/P,T/T,Other

Keywords

C8H8O4 CAS:520-45-6 Dehydroacetic acid C8H8O4 CAS:520-45-6 factory price high purity 99% C8H8O4 CAS:520-45-6 technical grade or OLED grade

Quick Details

  • Appearance:light-yellow crystalline powder
  • Application:C8H8O4 CAS:520-45-6 Dehydroacetic acid technical grade or OLED grade
  • PackAge:Plastic vacuum packaging bag or bucket
  • ProductionCapacity:10|Metric Ton|Day
  • Storage:under the cool and dry area
  • Transportation:by express or by sea

Superiority:

Dehydroacetic Acid
Product name: Dehydroacetic Acid
CAS No.: 520-45-6
EINECS NO: 208-293-9
Formula: C8H8O4
Structure Formula:
M.W.: 168.15
Characters:

Beige to light-yellow crystalline powder. Odorless, slight sourness. Melting point: 109℃~112℃. Solubility(25℃,g/100g): ethanol 3; glycol 1.7; olive oil<1.6; glycerin<0.1; water<0.1. Hardly soluble in water. pH value of saturated aqueous solution is 4. thermostable and no moisture absorption. It can be volatilized when heat by water.

Main Uses:

It is a broad spectrum preservative, especially for mold and yeast. The concentration of effective working is low and it is thermostable.

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Details:

Dehydroacetic acid Basic information
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 Structure
 
Dehydroacetic acid Chemical Properties
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 Information
Hazard Codes  Xn
Risk Statements  22
Safety Statements  22
WGK Germany  1
RTECS  UP8050000
HS Code  29322980
Hazardous Substances Data 520-45-6(Hazardous Substances Data)
 
Dehydroacetic acid Usage And Synthesis
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 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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