Preservative Dehydroacetic acid (DHA) CAS No.520-45-6
TDS 1 Inquiries
520-45-6
Pharmaceutical Grade
99%
Shanghai
EBT Chemicals
25 kg /drum
2021-12-31
allantoin,Diazolidinyl urea,DMDM Hydantoin,paraben,phenoxyethanol,Chlorhenxidine gluconate solution
-
Product Description
-
Seller Information
-
Inquiry History
-
DescriptionECHEMI Editorial ReferenceDehydroacetic acid is an organic compound, classified as a pyrone derivative and is used mostly as a fungicide and bactericide.CertificatesBasic Info
-
Product Name:
Dehydroacetic acid
Other Name: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
CAS No.:520-45-6
Molecular Formula:C8H8O4
InChIKeys:PGRHXDWITVMQBC-UHFFFAOYSA-N
Molecular Weight:168.15
Exact Mass:168.15
BRN:6129
EC Number:208-293-9
NSC Number:760135|8770
TSCA:TSCA listed
DSSTox ID:DTXSID6020014
Color/Form:Light yellow or cream
HScode:29322980
Categories:
Characteristics-
PSA:
60.4
XLogP3:0.3
Appearance:white powder
Density:1.1816 (rough estimate)
Melting Point:111-113 °C (lit.)
Boiling Point:270 °C (lit.)
Flash Point:157 DEG C; 315 DEG F (OPEN CUP)
Refractive Index:1.4611 (estimate)
Water Solubility:500mg/L at 25℃
Storage Conditions:0-6ºC
Vapor Pressure:0.001 hPa (20 °C)
Vapor Density:5.8 (AIR= 1)
Toxicity:LD50 orally in rats: 1000 mg/kg (Spencer)
Flammability characteristics:Not classified
Odor:almost odorless. slightly bitter-sweet taste.
Taste:TASTELESS
PH:4 (2g/l, H2O, 20℃)
PKA:5.53±0.40(Predicted)
Henrys Law Constant:2.9×101mol/(m3Pa) at 25℃, HSDB (2015)
Experimental Properties:HIGHLY REACTIVE
Autoignition Temperature:336 °C
Heat of Vaporization:14,663.8 gcal/gmol
Critical Temperature & Pressure:Store below +30°C.
Hazard IdentificationClassification of the substance or mixture
Acute toxicity - Category 4, Oral
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H302 Harmful if swallowed
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
Response P301+P317 IF SWALLOWED: Get medical help.
P330 Rinse mouth.
Storage none
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
-
-
Seller Information
-
Business Type:
Distributor
-
Main Products:
allantoin,Diazolidinyl urea,DMDM Hydantoin,paraben,phenoxyethanol,Chlorhenxidine gluconate solution
-
Location:
Nianli Industrial Zone, Quzhou, Zhejiang, China
-
Payment Terms:
TT against copy of documents,L/C
-
Average lead Time:
15
-
Total Annual Revenue:
$10 million-$25 million
-
Total Employees:
101-200
-
Year of Establishment:
2018
-
Certifications:
ISO14001,ISO
Quzhou Ebright Chemicals Co., Ltd was first established in 1987, now is developing into supplier of Preservatives, Biocides,UV Filters and Active Ingredients for the personal care and pharmaceutical industries. Our product range are as follows,
1. Preservatives: Allantoin, diazolidinyl urea, imidazolidinyl urea, DMDM Hydantoin ,
Parabens (methyl paraben, ethyl paraben, propyl paraben) and their sodium ,
Phenoxyethanol， benzoic acid, sodium benzoate, potassium sorbate, salicylic acid, methyl salicylates, etc
2. Biocides: Chlorhexidine Acetate, Chlorhexidine Gluconate solution, PHMB, PHMG
Isothiazolione, including Kathon (CMIT/MIT),BIT, MIT， OIT
Triclosan, Triclocarban（TCC), Chloroxylenol (PCMX)
3. UV filters products including octocrylene, avobenzone, bemotrizinol, ethylhexyl triazone, etc.
4. Surfectant: LAS, AES, AESA, K12, CAB, Span, Tween, etc.
5. API & Intermediate
We believe in creating value for all our stakeholders and are constantly refining our processes and improving product quality standards.Hope we could have chance to cooperate in the further.
-
-
Inquiry History1 Inquiries
Country Product Purchase Quantity Date Posted 
Romania
Dehydroacetic Acid
2000 KG Jul 29, 2026 Post an enquiry for this product
