Alcohol Specifications

United Kingdom

BP Amoco Chemicals

Industrial Methylated Spirits (IMS)
(Hydrous and Anhydrous)

CHARACTERISTIC

GRADE

Parameter

Units

IMS 94
IMS 95
IMS 96
IMS 99
IMS 100

Test Method

Alcohol content % volume at 20 C
93.8 max
93.4 min
95.1 max
94.7 min
96.1 max
95.7 min
99.5 max
99.1 min
100 max
99.7 min.
OIML
Water content % mass 9.8 max 8.0 max 6.6 max 1.43 max
0.5 max
BS 2511:1970
Acidity % mass as acetic acid (fixed)
0.003 max
(30 p.p.m)
0.003 max
(30 p.p.m)
0.003 max
(30 p.p.m)
0.003 max
(30 p.p.m)
0.003 max
(30 p.p.m)
BP Amoco Chemicals method
Total carbonyls % mass as acetaldehyde 0.1 max
(1000 p.p.m)
0.1 max
(1000 p.p.m)
0.1 max
(1000 p.p.m)
0.1 max
(1000 p.p.m)
0.1 max
(1000 p.p.m)
BS 6392/3
ISO 1388/4
Appearance   Clear and free from suspended matter
Clear and free from suspended matter
Clear and free from suspended matter
Clear and free from suspended matter
Clear and free from suspended matter
BP Amoco Chemicals method
Color Hazen
20 max
20 max
20 max 20 max
20 max
BP Amoco Chemicals method
Miscibility with water  
Complete
Complete

 

Complete

 

Complete

 

Complete

 

BS 6392/9
ISO 1388/12
Residue on evaporation % mass 0.010 max
(100 p.p.m)
0.010 max
(100 p.p.m)
0.010 max
(100 p.p.m)

 

0.010 max
(100 p.p.m)

 

0.010 max
(100 p.p.m)

 

BS 4524:1983
ISO 759:1981

Notes

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