Synonyms

Hexamine

Methenamine

Definition

Chemical name

1,3,5,7-Tetraazatricyclo [3.3.1.1^3,7]-decane, hexamethylenetetramine

Einecs

202-905-8

Chemical formula

C₆H₁₂N₄

Molecular weight

140,19

Assay

Content not less than 99 % on the anhydrous basis

Description

Colourless or white crystalline powder

Identification

Purity

Loss on drying

Not more than 0,5 % after drying at 105 ^oC in vacuum over P₂O₅ for two hours

Sulphated ash

Not more than 0,05 %

Sulphates

Not more than 0,005 % expressed as SO₄

Chlorides

Not more than 0,005 % expressed as Cl

Ammonium salts

Not detectable

Arsenic

Not more than 3 mg/kg

Lead

Not more than 5 mg/kg

Mercury

Not more than 1 mg/kg

Heavy metals (as Pb)

Not more than 10 mg/kg