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General Purpose Solvents

n-PENTANE AR

RA000316 CAS 109-66-0 AR

Identity

Product code
RA000316
CAS number
109-66-0
Grade
AR
Purity
99%
Molecular formula
C5H12
Molecular weight
72.15

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Liquid —
Final boiling point [°C] 36 °C °C
Evaporation rate 28.6 —
Vapour pressure [20°C] 579 hPa hPa
Vapour pressure mm/Hg 514 mmHg mmHg
Vapour density 2.5 —
Density [g/cm3] 0.62 g/cm3 g/cm3
Solubility in water [% weight] 0.04 % %
Partition coefficient Log Pow octanol / water at 20°C 3.39 —
Explosion limits - upper [%] 8.30 % %
Explosion limits -lower [%] 1.40 % %
Colour Clear Colorless —
Odour mild odor,gasoline-like,pleasant odor —
Melting point/ Freezing point [°C] -130 °C °C
Auto-ignition temperature [°C] 260 °C °C
Flammability (solid, gas) Flammable —
Flash point [°C] -49 °C °C
Boiling point [°C] 35 - 36 °C °C
Initial boiling point [°C] 35 °C °C

These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.

Specifications

ParameterSpecificationUnit Method
Appearance A clear colorless liquid — —
Copper (Cu) Max 0.00002 % % —
Iron (Fe) Max 0.00005 % % —
Lead (Pb) Max 0.00002 % % —
Substance darkened by H2SO4 Passes test — —
Purity Min 99 % % GC
Weight/ mL (20 °C) 0.625 - 0.626 g g —
Bromine number Max 0.5 — —
Refractive index (20°C; 589 nm) (20 °C) 1.357 - 1.358 — —
Water Max 0.02 % % —
Acidity Max 0.001 % % —
Non-volatile matter Max 0.002 % % —
Sulphur compounds Max 0.0003 % % —

6 grades of this substance are listed. Each grade is a separate product with its own specifications, pack sizes and documents.

Packaging

Pack size SKU
25 L RA000316-PK-25L
500 mL RA000316-PK-500ML
200 L RA000316-PK-200L
2.5 L RA000316-PK-2.5L