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General Purpose Solvents

iso-BUTANOL AR

RA000179 CAS 78-83-1 AR

Identity

Product code
RA000179
CAS number
78-83-1
Grade
AR
Purity
99%
Molecular formula
C4H10O
Molecular weight
74.12

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Liquid —
Boiling point [°C] 108 °C °C
Evaporation rate 0.8 —
Vapour pressure [20°C] 1.2 kPa kPa
Vapour density 2.56 —
Density [g/cm3] 0.806 g/cm3 g/cm3
Partition coefficient Log Pow octanol / water at 20°C 0.8 —
Explosion limits - upper [%] 10.60 % %
Explosion limits -lower [%] 1.70 % %
Colour Clear Colorless —
Odour Sweet-musty odor —
Odour threshold 40 ppm ppm
Melting point/ Freezing point [°C] -108 °C °C
Critical temperature [°C] 274.6 °C °C
Auto-ignition temperature [°C] 415 °C °C
Flammability (solid, gas) Flammable —
Flash point [°C] 28 °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 0.0001 % % —
Iron (Fe) Max 0.0001 % % —
Lead (Pb) Max 0.0001 % % —
Purity Min 99 % % GC
Weight/ mL (20 °C) 0.801 - 0.802 g g —
Refractive index (20°C; 589 nm) (20 °C) 1.395 - 1.396 — —
Insoluble matter in water Passes test — —
Water Max 0.1 % % —
Acidity Max 0.002 % % —
Non-volatile matter Max 0.002 % % —
Aldehydes and ketones Max 0.015 % % —

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

Packaging

Pack size SKU
500 mL RA000179-PK-500ML
1 L RA000179-PK-1L
2.5 L RA000179-PK-2.5L