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Key Documents

8.41514

Sigma-Aldrich

Diethyl acetylenedicarboxylate

for synthesis

Synonym(s):

Diethyl acetylenedicarboxylate, 2-Butynedioic acid diethyl ester

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About This Item

Empirical Formula (Hill Notation):
C8H10O4
CAS Number:
762-21-0
Molecular Weight:
170.16
MDL number:
MFCD00009186
UNSPSC Code:
12352108
EC Index Number:
212-095-8

Quality Level

200

assay

≥97.0% (GC)

form

liquid

bp

108-110 °C/14.7 hPa

mp

1.5 °C

transition temp

flash point 94 °C

density

1.067 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C8H10O4/c1-3-11-7(9)5-6-8(10)12-4-2/h3-4H2,1-2H3

InChI key

STRNXFOUBFLVIN-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 97.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.063 - 1.073
Identity (IR): passes test

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Skin Corr. 1B

Storage Class

8A - Combustible, corrosive hazardous materials

wgk_germany

WGK 3

flash_point_f

201.2 °F - closed cup

flash_point_c

94 °C - closed cup

Certificates of Analysis (COA)

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