2-Methyl-1-buten-3-yne , 97 , 78-80-8

Synonym(s):
Isopropenylacetylene

CAS NO.：78-80-8

Empirical Formula: C5H6

Molecular Weight: 66.1

MDL number: MFCD00008599

EINECS: 201-144-9

PRODUCT Properties

• Melting point: -113 °C
• Boiling point: 32 °C(lit.)
• Density: 0.695 g/mL at 25 °C(lit.)
• vapor pressure: 8.96 psi ( 20 °C)
• refractive index: n20/D 1.416(lit.)
• Flash point: 20 °F
• storage temp.: 2-8°C
• solubility: soluble in Chloroform, Methanol
• form: Liquid
• color: Clear
• Water Solubility: Not miscible in water.
• BRN: 969175
• InChI: 1S/C5H6/c1-4-5(2)3/h1H,2H2,3H3
• InChIKey: BOFLDKIFLIFLJA-UHFFFAOYSA-N
• SMILES: CC(=C)C#C

Description and Uses

2-Methyl-1-buten-3-yne is a reagent used in analytical studies to determine the aroma compounds present in various things by using pyrolysis gas chromatography mass spectrometry techniques.

Safety

• Symbol(GHS): GHS02,GHS07,GHS08
• Signal word: Danger
• Hazard statements: H224-H302-H304-H315-H319-H332-H335
• Precautionary statements: P280h-P301+P330+P331-P315-P403+P235-P210-P261-P301+P310-P305+P351+P338-P331
• target organs: Respiratory system
• PPE: Eyeshields, Faceshields, Gloves
• Hazard Codes: F+,Xn,F,Xi
• Risk Statements: 12-20/22-36/37/38-65
• Safety Statements: 16-26-36/37-62
• RIDADR: UN 3295 3/PG 1
• WGK Germany: 3
• RTECS: EN0960000
• F: 10-19-23
• HazardClass: 3
• PackingGroup: I
• HS Code: 29012900
• Storage Class: 3 - Flammable liquids
• Hazard Classifications: Acute Tox. 4 Oral; Asp. Tox. 1; Eye Irrit. 2; Flam. Liq. 1; Skin Irrit. 2; STOT SE 3
• Limited Quantities: 0.5 L (0.1 gallon)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (300g or 300ml)