Dimethyl acetylenedicarboxylate , 99% , 762-42-5

Synonym(s):
Acetylenedicarboxylic acid dimethyl ester;Dimethyl 2-butynedioate

CAS NO.：762-42-5

Empirical Formula: C6H6O4

Molecular Weight: 142.11

MDL number: MFCD00008456

EINECS: 212-098-4

PRODUCT Properties

• Melting point: -18 °C
• Boiling point: 95-98 °C/19 mmHg (lit.)
• Density: 1.156 g/mL at 25 °C (lit.)
• refractive index: n20/D 1.447(lit.)
• Flash point: 187 °F
• storage temp.: Keep in dark place,Sealed in dry,Room Temperature
• form: Liquid
• color: Colorless to pale yellow
• Water Solubility: Soluble in most organic solvents. Insoluble in water.
• Sensitive: Light Sensitive
• BRN: 607063
• InChIKey: VHILMKFSCRWWIJ-UHFFFAOYSA-N
• CAS DataBase Reference: 762-42-5(CAS DataBase Reference)
• NIST Chemistry Reference: 2-Butynedioic acid, dimethyl ester(762-42-5)
• EPA Substance Registry System: 2-Butynedioic acid, dimethyl ester (762-42-5)

Description and Uses

Dimethyl acetylenedicarboxylate as a versatile dienophile used in Diels-Alder reactions.

Safety

• Symbol(GHS): GHS05,GHS07
• Signal word: Danger
• Hazard statements: H302-H314
• Precautionary statements: P270-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338
• Hazard Codes: C
• Risk Statements: 34-22
• Safety Statements: 23-26-27-36/37/39-45
• RIDADR: UN 3265 8/PG 2
• WGK Germany: 3
• RTECS: ES0175000
• F: 8-19
• TSCA: Yes
• HazardClass: 8
• PackingGroup: III
• HS Code: 29171990
• Limited Quantities: 1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)