China (Mainland)
DL-Pyroglutamic Acid CAS NO.149-87-1
- Min.Order: 0 Metric Ton
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- Product Details
Keywords
- DL-2-Pyrrolidone-5-carboxylic acid
- Pyroglutamic Acid
- Pyroglutamic
Quick Details
- ProName: DL-Pyroglutamic Acid
- CasNo: 149-87-1
- Molecular Formula: C5H7NO3
- Application: Mainly used for biochemical reagent
- ProductionCapacity: Metric Ton/Day
- Purity: 99%
- LimitNum: 0 Metric Ton
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 |
|
