CAS No.: | 541-15-1 |
---|---|
Formula: | C7h15no3 |
Packaging Material: | Paper |
Storage Method: | Normal |
Shelf Life: | >12 Months |
Nutrient Composition: | Amino Acid |
Samples: |
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ITEM
|
SPECIFICATION
|
METHOD
|
Identification
|
IR
|
USP<197K>
|
Appearance
|
White crystalline powder
|
Visual
|
Specific rotation
|
-29.0~32.0°
|
USP<781S>
|
PH
|
5.5-9.5
|
USP<791>
|
Water
|
≤1%
|
USP<921>Method A
|
Residual solvents
|
≤0.5%
|
USP<467>
|
Residue on ignition
|
≤0.5%
|
USP<281>
|
Sodium
|
≤0.1%
|
USP<852>
|
Potassium
|
≤0.2%
|
USP<852>
|
CI-
|
≤0.4%
|
USP<221>
|
CN-
|
Not detectable
|
Ch.P Appendix VIII F Method A
|
Heavy metal
|
≤10ppm
|
USP<231>Method A
|
Arsenic(As)
|
≤1ppm
|
Ch.P Appendix VIII J Method A
|
Lead(Pb)
|
≤3ppm
|
AAS
|
Cadmium(Cd)
|
≤1ppm
|
AAS
|
Mercury(Hg)
|
≤0.1ppm
|
AAS
|
TPC
|
≤1000Cfu/g
|
USP<61>
|
Yeast&Mold
|
≤100Cfu/g
|
USP<61>
|
E.coli
|
Negative/1g
|
Ch.P Appendix XI J.
|
Salmonella
|
Negative/25g
|
Ch.P Appendix XI J.
|
Assay
|
98.0%~102.0%
|
Tritration
|
Bulk density
|
0.3~0.6g/ml
|
Physical
|
Tapped density
|
0.5~0.8g/ml
|
Physical
|
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