ANNEXSupplementary provisions
ANNEX SPECIFICATION OF ORGANIC SILICON (MONOMETHYLSILANETRIOL) Identity of organic silicon (monomethylsilanetriol) Chemical name Silanetriol, 1-methyl- Chemical formula CH 6 O 3 Si Molecular weight 94,14 g/mol CAS No 2445-53-6 Organic silicon (monomethylsilanetriol) preparation (aqueous solution) 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)