Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

Safety Information

30740

Sigma-Aldrich

Dehydroacetic acid

≥98.0% (T)

Synonym(s):

2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid δ-lactone

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C8H8O4
CAS Number:
520-45-6
Molecular Weight:
168.15
Beilstein:
6129
EC Number:
208-293-9
MDL number:
MFCD00066709
UNSPSC Code:
12352100
PubChem Substance ID:
57648475
NACRES:
NA.22

Quality Level

100

Assay

≥98.0% (T)

form

powder

bp

270 °C (lit.)

mp

111-113 °C (lit.)

functional group

ester
ketone

SMILES string

CC(=O)C1C(=O)OC(C)=CC1=O

InChI

1S/C8H8O4/c1-4-3-6(10)7(5(2)9)8(11)12-4/h3,7H,1-2H3

InChI key

PGRHXDWITVMQBC-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

General description

Dehydroacetic acid is one of the food additives found in red wine and was determined by ultra-fast liquid chromatography-tandem quadrupole mass spectrometry (UFLC-MS/MS).

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302

Precautionary Statements

P264 - P270 - P301 + P312 - P501

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

314.6 °F

Flash Point(C)

157 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

30740-BULK:
30740-500G:
30740-100G:
30740-VAR:

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCL7790
BCCD6047
BCCC7831
BCBF0386V
BCBC9656V

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Slide 1 of 3

1 of 3

Benzoic acid ACS reagent, ≥99.5%

Sigma-Aldrich

242381

Benzoic acid

Butyl 4-hydroxybenzoate ≥99.0% (GC)

Sigma-Aldrich

54680

Butyl 4-hydroxybenzoate

Linoleic acid technical, 58-74% (GC)

Sigma-Aldrich

62240

Linoleic acid

Xiao-Hong Chen et al.
Journal of chromatography. A, 1263, 34-42 (2012-10-10)
A novel and effective dispersive solid-phase extraction (dSPE) procedure with rapid magnetic separation using ethylenediamine-functionalized magnetic polymer as an adsorbent was developed. The new procedure had excellent clean-up ability for the selective removal of the matrix in red wine. An
Ségolène De Vaugelade et al.
Rapid communications in mass spectrometry : RCM, 32(11), 862-870 (2018-03-10)
The present work is devoted to the structural elucidation of by-products issued from the direct ultraviolet-visible (UV-vis) irradiation of dehydroacetic acid (DHA) in solution and in cosmetic emulsion. Analyses were carried out using gas chromatography coupled with ion trap mass
Yuka Sakaguchi et al.
Journal of applied toxicology : JAT, 28(4), 524-529 (2007-10-18)
Sodium dehydroacetate (DHA-S) is used as a food additive, preservative and antimicrobial agent. Repeated oral administration of DHA-S in rats induced severe hemorrhage in multiple organs and prolongation of blood coagulation factors. To determine the mechanism of hemorrhage, the protective
Yansheng Wang et al.
Journal of food science, 75(6), M383-M388 (2010-08-21)
The peptide mixture from housefly pupae has broad spectrum antimicrobial activity but has not previously been reported as a food preservative. In this study, the preservation effects of a housefly pupae peptide mixture, nisin, and sodium dehydroacetate (DHA-S) on the
M Dowsett et al.
Oncology, 48(3), 215-220 (1991-01-01)
Many patients on cytotoxic chemotherapy show reduced frequency of menstrual bleeding due to a reduction in ovarian follicular activity. The endocrine perturbations related to these changed menstrual patterns were studied in detail. Nineteen regularly menstruating patients with primary breast cancer
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service