Chemical SpecificationsAppearanceClear colorless solution with strong pungent odorAssay (acidimetric)37 - 41% w/vWeight/ mL at 20°C1.080 - 1.090 gContent of methanol8 - 12% w/wAcidityMax 3 ml N%Ash contentMax 0.02%Chloride (Cl)Max 0.001%