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| L(+)Choline Bitartrate,
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· Product name: L(+)Choline Bitartrate |
· Structural formula: [HOCH2CH2N+(CH3)3]HC4H4O6- |
| · Molecular formula: C9H19NO7 |
· Molecular weight: 253.25 |
| · Properties:
white crystalline powder , absorbing moisture easily |
| · Edition:
USP 26 |
| · Specification: |
Item |
USP 26 |
Identification A , B , C |
Ok |
| Assay > % |
99.7 |
As ≤% |
0.0003 |
Heavy metals(as Pb ) ≤% |
0.002 |
Pb ≤% |
0.001 |
Residue on ignition ≤% |
0.1 |
Moisture ≤% |
0.5 |
PH |
3.4 ~ 3.7 |
Optical rotation |
+17.5 ~ +18.5 |
1,4-dioxan |
Ok |
Escherichia coli |
no |
salmonella |
no |
coliform |
<300g |
number of microzyme |
<100g |
Total number of bacteria |
≤3000g |
Appearance |
white crystalline powder |
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