2-Methylbutane, CHROMASOLV™, for HPLC, =99.5%

Name: 2-Methylbutane
Synonymn: Isopentane
Description: CHROMASOLV™, for HPLC, ≥99.5%

Container Type: Glass Bottle

Molar Mass: 72.15 g/mol

Empirical Formula: C₅H₁₂
Linear Formula: CH₃CH₂CH(CH₃)₂

CAS Number: 78-78-4
Bielstein Registry Number: 1730723
EC Number: 201-142-8
MDL Number: MFCD00009338

SPECIFICATIONS

Identity (IR): complying
Assay (GC): min. 99.50 %
Non-volatile matter: max. 0.0003 %
Water (Karl Fischer): max. 0.02 %
Absorbance at 400 nm: max. 0.01
Absorbance at 240 nm: max. 0.01
Absorbance at 220 nm: max. 0.07
Absorbance at 210 nm: max. 0.30
Absorbance at 192 nm: max. 1.0



PHYSICAL PROPERTIES

Explosion Limit: 8.3 %
Vapor Pressure: 11.17 psi ( 20 °C)
Refractive Index: n20/D 1.354(lit.)
Vapor Density: 2.6 (vs air)
Autoignition Temperature: 788 °F
Boiling Point: 28 °C
Freezing Point: -160 °C
Density: 0.62 g/cm3



SAFETY INFORMATION

Flashpoint: -51 °C
Hazard Class: 3
Package Group: I
UN ID: 1265
Signal Word: Danger

GHS Classification:
Harmful (GHS07)
Health hazard (GHS08)
Flammable (GHS02)

Hazard Statement(s):
Extremely flammable liquid and vapour (H224)
May be fatal if swallowed and enters airways (H304)
May cause drowsiness or dizziness (H336)

Precautionary Statement(s):
Take precautionary measures against static discharge (P243)
Use only non-sparking tools (P242)
Use explosion-proof electrical/ventilating/lighting/.../equipment (P241)
Ground/bond container and receiving equipment (P240)
Keep container tightly closed (P233)
Keep away from heat/sparks/open flames/hot surfaces - No smoking (P210)
Avoid breathing dust/fume/gas/mist/vapours/spray (P261)
Use only outdoors or in a well-ventilated area (P271)
Wear protective gloves/protective clothing/eye protection/face protection (P280)

Certificate of Analysis Search
Safety Data Sheet Search
Certificate of Origin Search