ANNEX U.K. SPECIFICATION OF ORGANIC SILICON (MONOMETHYLSILANETRIOL)

Identity of organic silicon (monomethylsilanetriol) U.K.

Chemical name	Silanetriol, 1-methyl-
Chemical formula	CH6O3Si
Molecular weight	94,14 g/mol
CAS No	2445-53-6

Organic silicon (monomethylsilanetriol) preparation (aqueous solution) U.K.

Parameters	Specification value
Acidity (pH)	6,4-6,8
Silicon	100-150 mg Si/l
Lead	Not more than 1 μg/l
Mercury	Not more than 1 μg/l
Cadmium	Not more than 1 μg/l
Arsenic	Not more than 3 μg/l
Methanol	Not more than 5 mg/kg (residual presence)