|
Appearance
|
Clear colorless solution with strong pungent odor
|
|
Assay
|
37-38% w/w
|
|
Methanol (CH3OH)
|
8 - 12%
|
|
Weight/ mL at 20°C
|
1.080 - 1.090 g
|
|
Colour scale
|
Max 10 APHA
|
|
Acidity (as HCOOH)
|
Max 0.006 meq/g
|
|
Residue on ignition
|
Max 0.005%
|
|
Chloride (Cl)
|
Max 0.0005%
|
|
Sulphate (SO4)
|
Max 0.002%
|
|
Iron (Fe)
|
Max 0.0005%
|
|
Heavy metals (by ICP-OES)
|
Max 0.0005%
|