Dehydroacetic acid
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- $5 - $2420.88
- Product name: Dehydroacetic acid
- CAS: 520-45-6
- MF: C8H8O4
- MW: 168.15
- EINECS:208-293-9
- MDL Number:MFCD00066709
- Synonyms: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
63 prices
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Brand
- aablocks
- AHH
- AK Scientific
- Ambeed
- American Custom Chemicals Corporation
- ApexBio Technology
- Arctom
- Biosynth
- Chemenu
- ChemScene
- Crysdot
- Matrix Scientific
- Medical Isotopes, Inc.
- Sigma-Aldrich
- TCI Chemical
- Thermo Scientific Chemicals
- TRC
- Usbiological
Package
- 100mg
- 200mg
- 500mg
- 1g
- 5g
- 10g
- 10.00g
- 25g
- 50g
- 100.00g
- 100g
- 250g
- 500g
- 1000g
- 1kg
- 2Kg
- 5kg
- Manufactureraablocks
- Product numberAA00I987
- Product descriptionDehydroacetic Acid 98%
- Packaging25g
- Price$10
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00I987
- Product descriptionDehydroacetic Acid 98%
- Packaging100g
- Price$15
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00I987
- Product descriptionDehydroacetic Acid 98%
- Packaging500g
- Price$23
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00I987
- Product descriptionDehydroacetic Acid 98%
- Packaging1000g
- Price$34
- Updated2026-05-29
- Buy
- ManufacturerAHH
- Product numberMT-32675
- Product description2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid delta-lactone 97%
- Packaging25g
- Price$430
- Updated2026-05-26
- Buy
- ManufacturerAK Scientific
- Product numberJ93059
- Product descriptionDehydroacetic acid 98%
- Packaging500g
- Price$92
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberF778
- Product descriptionDehydroacetic acid >99%(GC)
- Packaging500g
- Price$129
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberF778
- Product descriptionDehydroacetic acid >99%(GC)
- Packaging25g
- Price$27
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberJ93059
- Product descriptionDehydroacetic acid 98%
- Packaging100g
- Price$39
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberF778
- Product descriptionDehydroacetic acid >99%(GC)
- Packaging100g
- Price$54
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberF778
- Product descriptionDehydroacetic acid >99%(GC)
- Packaging5g
- Price$18
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberJ93059
- Product descriptionDehydroacetic acid 98%
- Packaging5g
- Price$13
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberJ93059
- Product descriptionDehydroacetic acid 98%
- Packaging25g
- Price$20
- Updated2026-06-04
- Buy
- ManufacturerAmbeed
- Product numberA177106
- Product descriptionDehydroacetic Acid 98+%
- Packaging100g
- Price$12
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA177106
- Product descriptionDehydroacetic Acid 98+%
- Packaging100mg
- Price$5
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA177106
- Product descriptionDehydroacetic Acid 98+%
- Packaging10g
- Price$6
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA00I987 | Dehydroacetic Acid 98% | 25g | $10 | 2026-05-29 | Buy |
| aablocks | AA00I987 | Dehydroacetic Acid 98% | 100g | $15 | 2026-05-29 | Buy |
| aablocks | AA00I987 | Dehydroacetic Acid 98% | 500g | $23 | 2026-05-29 | Buy |
| aablocks | AA00I987 | Dehydroacetic Acid 98% | 1000g | $34 | 2026-05-29 | Buy |
| AHH | MT-32675 | 2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid delta-lactone 97% | 25g | $430 | 2026-05-26 | Buy |
| AK Scientific | J93059 | Dehydroacetic acid 98% | 500g | $92 | 2026-06-04 | Buy |
| AK Scientific | F778 | Dehydroacetic acid >99%(GC) | 500g | $129 | 2026-06-04 | Buy |
| AK Scientific | F778 | Dehydroacetic acid >99%(GC) | 25g | $27 | 2026-06-04 | Buy |
| AK Scientific | J93059 | Dehydroacetic acid 98% | 100g | $39 | 2026-06-04 | Buy |
| AK Scientific | F778 | Dehydroacetic acid >99%(GC) | 100g | $54 | 2026-06-04 | Buy |
| AK Scientific | F778 | Dehydroacetic acid >99%(GC) | 5g | $18 | 2026-06-04 | Buy |
| AK Scientific | J93059 | Dehydroacetic acid 98% | 5g | $13 | 2026-06-04 | Buy |
| AK Scientific | J93059 | Dehydroacetic acid 98% | 25g | $20 | 2026-06-04 | Buy |
| Ambeed | A177106 | Dehydroacetic Acid 98+% | 100g | $12 | 2021-12-16 | Buy |
| Ambeed | A177106 | Dehydroacetic Acid 98+% | 100mg | $5 | 2021-12-16 | Buy |
| Ambeed | A177106 | Dehydroacetic Acid 98+% | 10g | $6 | 2021-12-16 | Buy |
Properties
Melting point :111-113 °C (lit.)
Boiling point :270 °C (lit.)
Density :1.1816 (rough estimate)
bulk density :700kg/m3
vapor pressure :0.001 hPa (20 °C)
refractive index :1.4611 (estimate)
Flash point :157°C
storage temp. :Store below +30°C.
solubility :2g/l
form :Fine Crystalline Powder
pka :5.53±0.40(Predicted)
color :Light yellow or cream
PH :4 (2g/l, H2O, 20℃)
Odor :almost odorless. slightly bitter-sweet taste.
Water Solubility :500mg/L at 25℃
Merck :14,2865
BRN :6129
Henry's Law Constant :2.9×101 mol/(m3Pa) at 25℃, HSDB (2015)
Stability :Stable. Incompatible with oxidizing agents, bases, reducing agents.
Cosmetics Ingredients Functions :PRESERVATIVE
Cosmetic Ingredient Review (CIR) :Dehydroacetic acid (520-45-6)
InChI :1S/C8H8O4/c1-4-3-6(10)7(5(2)9)8(11)12-4/h3,7H,1-2H3
InChIKey :PGRHXDWITVMQBC-UHFFFAOYSA-N
SMILES :CC(=O)C1C(=O)OC(C)=CC1=O
LogP :0.78 at 20℃
CAS DataBase Reference :520-45-6(CAS DataBase Reference)
NIST Chemistry Reference :Dehydroacetic Acid(520-45-6)
EPA Substance Registry System :3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione (520-45-6)
Boiling point :270 °C (lit.)
Density :1.1816 (rough estimate)
bulk density :700kg/m3
vapor pressure :0.001 hPa (20 °C)
refractive index :1.4611 (estimate)
Flash point :157°C
storage temp. :Store below +30°C.
solubility :2g/l
form :Fine Crystalline Powder
pka :5.53±0.40(Predicted)
color :Light yellow or cream
PH :4 (2g/l, H2O, 20℃)
Odor :almost odorless. slightly bitter-sweet taste.
Water Solubility :500mg/L at 25℃
Merck :14,2865
BRN :6129
Henry's Law Constant :2.9×101 mol/(m3Pa) at 25℃, HSDB (2015)
Stability :Stable. Incompatible with oxidizing agents, bases, reducing agents.
Cosmetics Ingredients Functions :PRESERVATIVE
Cosmetic Ingredient Review (CIR) :Dehydroacetic acid (520-45-6)
InChI :1S/C8H8O4/c1-4-3-6(10)7(5(2)9)8(11)12-4/h3,7H,1-2H3
InChIKey :PGRHXDWITVMQBC-UHFFFAOYSA-N
SMILES :CC(=O)C1C(=O)OC(C)=CC1=O
LogP :0.78 at 20℃
CAS DataBase Reference :520-45-6(CAS DataBase Reference)
NIST Chemistry Reference :Dehydroacetic Acid(520-45-6)
EPA Substance Registry System :3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione (520-45-6)
Safety Information
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| Signal word: | Warning | ||||||||||||||
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Description
dehydroacetic acid is a preservative with low sensitizing potential. This is a weak acid used as a fungi-and bacteria-destroying agent in cosmetics. The presence of organic matter decreases its effective ness. It is not irritating or allergy causing when applied on the skin.Related product price
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Suppliers and manufacturers
Nantong Tianxiang Bioengineering Co., Ltd
Shandong Fengtai Biotechnology Co., Ltd.
J & K SCIENTIFIC LTD.
Meryer (Shanghai) Chemical Technology Co., Ltd.
3B Pharmachem (Wuhan) International Co.,Ltd.
Alfa Aesar
TCI (Shanghai) Development Co., Ltd.
Beijing HwrkChemical Technology Co., Ltd
Energy Chemical
Capot Chemical Co., Ltd