(S)-(-)-2-Pyrrolidone-5-carboxylic acid / L-Pyroglutamic acid / L-pyr 98-79-3
Min.Order / FOB Price:Get Latest Price
| 25 Kilogram |
Negotiable |
- Min.Order :25 Kilogram
- Purity: 99% up
- Payment Terms : L/C,D/A,D/P,T/T
Keywords
L-Pyr L-Pyroglutamic acid (S)-(-)-2-Pyrrolidone-5-carboxylic acid
Quick Details
- Appearance:White powder
- Application:Food supplement
- PackAge:1kg/bag ;25kg/drum
- ProductionCapacity:50|Metric Ton|Month
- Storage:Dry place
- Transportation:cool&dry
Superiority:
Why is SINOWAY:
1) Specialized in pharmaceutical and healthcare industrial for 34 years.
2) ISO 9001:2015 & SGS audited supplier .
3) Accept various payment terms : T.T 30-60 days.
4) We have warehouse in USA with quickly shipment .
5) We can do different terms of FOB ,CIF/CIP ,DDP ...
Details:
Product Name: L-Pyroglutamic Acid
CAS#: 98-79-3
Synonyms:(S)-(-)-2-Pyrrolidone-5-carboxylic acid
Molecular Formula: C5H7NO3
Molecular Weight: 129
Specification: (Reference Standard AJI92)
|
Item |
Standard |
Analysis data |
|
Appearance |
White crystalline powder |
Conforms |
|
Specific rotation(a)D20 |
-10 to -12o |
-11.6o |
|
Transmittance |
Not less than 98.0% |
98.2% |
|
Melting Point (oC) |
160 to 162 oC |
161oC |
|
Chloride(C1) |
Not more than 0.02% |
0.005% |
|
Ammonium(NH4) |
Not more than 0.02% |
<0.02% |
|
Sulfate(SO4) |
Not more than 0.02% |
<0.02% |
|
Heavy metals(Pb) |
Not more than 10ppm |
<10ppm |
|
Iron(Fe) |
Not more than 10ppm |
5ppm |
|
Arsenic(As2O3) |
Not more than 1 PPM |
<1ppm |
|
Loss on drying |
Not more than 0.50% |
0.35% |
|
Residue on ignition |
Not more than 0.1% |
0.08% |
|
Assay |
99.0-101.0% |
99.8% |
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