Name | Dimethyl acetylenedicarboxylate |
Synonyms | DMAD Dimethyl acetylenedi dimethyl butynedioate dimethyl but-2-ynedioate 2-Butynedioic acid dimethyl Dimethyl But-2-yne-1,4-dioate Dimethylaceylene dicarboxylate Dimethyl acetylenedicarboxylate Dimethyl acetylenedicarboxylate (DMADC) 1,2-Ethynedicarboxylic acid dimethyl ester Ethyne-1,2-dicarboxylic acid dimethyl ester 1,2-Acetylenedicarboxylic acid dimethyl ester Acetylenedicarboxylic acid dimethyl ester~Butynedioic acid dimethyl ester~DMAD |
CAS | 762-42-5 |
EINECS | 212-098-4 |
InChI | InChI=1/C6H6O4/c1-9-5(7)3-4-6(8)10-2/h1-2H3 |
InChIKey | VHILMKFSCRWWIJ-UHFFFAOYSA-N |
Molecular Formula | C6H6O4 |
Molar Mass | 142.11 |
Density | 1.156 g/mL at 25 °C (lit.) |
Melting Point | -18 °C |
Boling Point | 95-98 °C/19 mmHg (lit.) |
Flash Point | 187°F |
Water Solubility | Soluble in most organic solvents. Insoluble in water. |
Vapor Presure | 0.265mmHg at 25°C |
Appearance | Liquid |
Color | Colorless to pale yellow |
BRN | 607063 |
Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
Sensitive | Light Sensitive |
Refractive Index | n20/D 1.447(lit.) |
Physical and Chemical Properties | Colorless liquid. Boiling point 95-98 degrees C (2.53kPa). |
Hazard Symbols | C - Corrosive |
Risk Codes | R34 - Causes burns R22 - Harmful if swallowed |
Safety Description | S23 - Do not breathe vapour. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S27 - Take off immediately all contaminated clothing. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
UN IDs | UN 3265 8/PG 2 |
WGK Germany | 3 |
RTECS | ES0175000 |
FLUKA BRAND F CODES | 8-19 |
TSCA | Yes |
HS Code | 29171990 |
Hazard Class | 8 |
Packing Group | III |
NIST chemical information | information provided by: webbook.nist.gov (external link) |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
Use | for organic synthesis. multifunctional lipophilic Dienes for Diels-Alder reaction |
production method | the reaction of potassium butynate with methanol in the presence of concentrated sulfuric acid at room temperature for 4d, dimethyl butyneate was formed in a yield of 72-88%. |