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CHOLINE BITARTRATE Extra Pure

Confirms to USP
2-(Hydroxyethyl) trimethylammonium bitartrate

Article No. 02792 Grade Extra Pure
Purity 99% CAS No. 87-67-2
Molecular Formula C9H19NO7 Molecular Weight 253.25
H.S. Code 2923.9000 Shelf Life 60 Months

Specifications

Appearance White hydroscopic, crystalline powder with clear colourless Liquid in solution,melt between 148°C & 153°C is odorless, or may have faint trimethylamine odor Assay (on anhydrous basis) 99.0 to 100.5%
Solubility To comply Identification 'A' ( by IR) To comply
Identification 'B' To comply Specific optical rotation ([α]20/D) Between + 17.5° and + 18.5°
pH 3.0 to 4.0 Water (H2O) Max 0.5%
Residue on ignition Max 0.1% Arsenic (As) Max 0.0002%
Lead (Pb) Max 0.00003% Heavy metal Max 0.001%
Limit of total amines Max 0.001%
Revision Date: 05-Apr-2024

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