- Min.Order :0 Metric Ton
- Purity: 99%
Keywords
DL-2-Pyrrolidone-5-carboxylic acid Pyroglutamic Acid Pyroglutamic
Quick Details
- Appearance:
- Application:Mainly used for biochemical reagent
- PackAge:
- ProductionCapacity:|Metric Ton|Day
- Storage:
- Transportation:
Superiority:
|
Item |
Standard |
Results |
|
Appearance |
White crystalline powder |
White crystalline powder |
|
Assay |
99.0%-101.0% |
99.20% |
|
Specific rotation(a)D20 (C=2, H2O ) |
-0.3°to 0.3° |
0° |
|
Ammonium (NH4) |
NMT 0.02% |
< 0.02% |
|
Sulfate(SO4) |
NMT 0.1% |
< 0.1% |
|
Heavy metals (as Pb) |
NMT 10 ppm |
<10 ppm |
|
Iron (Fe) |
NMT 10 ppm |
8 ppm |
|
Arsenic (As2O3) |
NMT 1 ppm |
<1 ppm |
|
Loss on drying |
NMT 0.50% |
0.35% |
|
Residue on ignition |
NMT 0.1% |
0.07% |
|
Remarks |
Store in well closed container and in dry and cool place |
|
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