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D138401

Dimethyl acetylenedicarboxylate

Name: Dimethyl acetylenedicarboxylate
Brand: ALDRICH

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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Properties

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

Description

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

GHS05,GHS07

signalword

Danger

hcodes

H302,H314

pcodes

P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363

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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