CHOLINE BITARTRATE
CHOLINE BITARTRATE Extra Pure
Confirms to USP
Short Name: CHOLINE BITARTRATE
Synonym: 2-(Hydroxyethyl) trimethylammonium bitartrate
Basic Details
Article No.
LG103409
Grade
Extra Pure
Purity
99%
CAS No.
87-67-2
HS Code
2923.9000
Shelf Life
60 Months
Packings Avialable
Physical Properties
Chemical 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%
Chromatographic purity (by HPLC)
A) Individual Impurity
Max 0.3%
B) Total impurities
Max 2.0%
Organic volatile impurities (By GC)
A) Chloroform
Max 600µg/g
B) 1,4-Dioxane
Max 10µg/g
C) Methylene Chloride
Max 600µg/g
D) Trichloroethylene
Max 80µg/g
Safety Information & Hazard Symbols