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Dehydroacetic acid

Name: Dehydroacetic acid
Brand: MM
Price: 144 ILS

for synthesis

Synonym(s):

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

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Size/SKU	Availability	Price
5 g	Please contact Customer Service for Availability	₪144.00
250 g	Please contact Customer Service for Availability	₪241.00
1 kg	Please contact Customer Service for Availability	₪761.00
25 kg	Please contact Customer Service for Availability	₪4,858.00
50 kg	Please contact Customer Service for Availability	₪16,759.00

About This Item

Empirical Formula (Hill Notation):

C₈H₈O₄

CAS Number:

520-45-6

Molecular Weight:

168.15

UNSPSC Code:

12352115

EC Index Number:

208-293-9

NACRES:

NA.22

MDL number:

MFCD00066709

Assay:

≥99.0% (acidimetric)

Form:

powder

₪144.00

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Properties

vapor pressure

0.001 hPa ( 20 °C)

Quality Segment

200

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

SMILES string

O1C(=CC(=O)C(C1=O)C(=O)C)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

Description

Analysis Note

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

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This Item	814085	804784	195464
Sigma-Aldrich 822011 Dehydroacetic acid	Sigma-Aldrich 814085 Dehydroacetic acid sodium salt	Sigma-Aldrich 804784 Isatoic anhydride	Sigma-Aldrich 195464 2,5-Dihydroxy-1,4-benzoquinone
description for synthesis	description for synthesis	description for synthesis	description 98%
assay ≥99.0% (acidimetric)	assay -	assay ≥97.0% (acidimetric)	assay 98%
Quality Level 200	Quality Level 200	Quality Level 200	Quality Level 100
bp 270 °C/1013 hPa	bp -	bp 350 °C/1013 hPa	bp -
storage temp. 2-30°C	storage temp. 2-30°C	storage temp. 2-30°C	storage temp. -
form powder	form powder	form powder	form -
mp 109-111 °C	mp 280-285 °C	mp 230-232 °C	mp 235 °C (dec.) (lit.)

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pictograms

GHS07

signalword

Warning

hcodes

H302

pcodes

P264 - P270 - P301 + P312 - P501

Hazard Classifications

Acute Tox. 4 Oral

wgk

WGK 1

flash_point_f

314.6 °F

flash_point_c

157 °C

Storage Class

11 - Combustible Solids

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