Skip to Content
MilliporeSigma
All Photos(1)

Documents

8.22011

Sigma-Aldrich

Dehydroacetic acid

for synthesis

Synonym(s):

Dehydroacetic acid, 3-Acetyl-3,4-dihydro-6-methyl-2H-pyran-2,4-dione

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C8H8O4
CAS Number:
Molecular Weight:
168.15
MDL number:
UNSPSC Code:
12352115
EC Index Number:
208-293-9
NACRES:
NA.22

vapor pressure

0.001 hPa ( 20 °C)

Quality Level

assay

≥99.0% (acidimetric)

form

powder

autoignition temp.

336 °C

potency

1000 mg/kg LD50, oral (Rat)

pH

4 (20 °C, 2 g/L in H2O)

bp

270 °C/1013 hPa

mp

109-111 °C

transition temp

flash point 157 °C

bulk density

700 kg/m3

storage temp.

2-30°C

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

Analysis Note

Assay (acidimetric): ≥ 99.0 %
Melting range (lower value): ≥ 109 °C
Melting range (upper value): ≤ 112 °C
Identity (IR): passes test

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

314.6 °F

flash_point_c

157 °C


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

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

Visit the Document Library

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