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D138401

Dimethyl acetylenedicarboxylate

95%

Synonym(s):

Dimethyl 2-butynedioate

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About This Item

Linear Formula:
CH3OCOC≡CCO2CH3
CAS Number:
762-42-5
Molecular Weight:
142.11
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24893421
EC Number:
212-098-4
Beilstein/REAXYS Number:
607063
MDL number:
MFCD00008456
Assay:
95%
Form:
liquid
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Quality Segment

200

assay

95%

form

liquid

refractive index

n20/D 1.447 (lit.)

bp

95-98 °C/19 mmHg (lit.)

density

1.156 g/mL at 25 °C (lit.)

SMILES string

COC(=O)C#CC(=O)OC

InChI

1S/C6H6O4/c1-9-5(7)3-4-6(8)10-2/h1-2H3

InChI key

VHILMKFSCRWWIJ-UHFFFAOYSA-N

General description

Dimethyl acetylenedicarboxylate (DMAD) is an ester utilized as a dienophile and a dipolarophile in cycloaddition reactions.

Application

Versatile dienophile used in Diels-Alder reactions.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

hcodes

H302,H314

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

flash_point_f

186.8 °F - closed cup

flash_point_c

86 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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