iso-BUTANOL

iso-BUTANOL AR

iso-Butyl alcohol, 2-Methyl propan-1-ol

Article No.

00058

Grade

Purity

99%

CAS No.

78-83-1

Molecular Formula

C₄H₁₀O

Molecular Weight

74.12

H.S. Code

2905.1490

Shelf Life

60 Months

MSDS

Certificate of Analysis (COAs)

Physical Properties

Physical state at 20 °C

Liquid

Colour

Clear Colorless

Odour

Sweet-musty odor

Odour threshold

40 ppm

Melting point/ Freezing point [°C]

-108°C

Critical temperature [°C]

274.6°C

Auto-ignition temperature [°C]

415°C

Flammability (solid, gas)

Flammable

Flash point [°C]

28°C

Boiling point [°C]

108°C

Evaporation rate

0.8

Vapour pressure [20°C]

1.2 kPa (@ 20°C)

Vapour density

2.56

Density [g/cm3]

0.806

Solubility in water [% weight]

9.5g/100ml water @ 20C

Partition coefficient Log Pow octanol / water at 20°C

0.8

Explosion limits - upper [%]

10.60%

Explosion limits -lower [%]

1.70%

Packings

500 ml (00500)
1000 ml (01000)
2500 ml (02500)
2500 ml (02500)
2500 ml (02500)

Specifications

Appearance	A clear colorless liquid
Purity (by GC)	Min 99%
Weight/ mL at 20°C	0.801 - 0.802 g
Refractive index (20°C; 589 nm)	1.395 - 1.396
Insoluble matter in water	Passes test
Water (H2O)	Max 0.1%
Acidity (as C3H7COOH)	Max 0.002%
Non-volatile matter	Max 0.002%
Aldehydes and ketones (as C3H7CHO)	Max 0.015%
Copper (Cu)	Max 0.0001%
Iron (Fe)	Max 0.0001%
Lead (Pb)	Max 0.0001%

Safety Information and Hazard Symbols

Symbol: GHS02, GHS05, GHS07
Signal Word: Danger
UN No.: 1212
IMCO Class No.: 3
Packing Group: III
Hazardous Statement: H226-H315-H318-H335-H336
Precaution Statement: P261-P280-P305 + P351 + P338

Revision Date : 30-Jun-2022