- Product Details
Keywords
- L-pyr
- pyroglutamic acid
- (S)-(-)-2-Pyrrolidone-5-carboxylic acid
Quick Details
- ProName: L-Pyroglutamic acid manufacturer
- CasNo: 98-79-3
- Molecular Formula: C5H7NO3
- Appearance: White Crystalline Powder
- Application: 98-79-3
- DeliveryTime: Immediately
- PackAge: Standard Packing: 25kg/drum
- Port: Chinese Main ports
- ProductionCapacity: 10 Metric Ton/Day
- Purity: min 99%
- Storage: Store in dry, dark, ventilated place.
- Transportation: airplane or vessel
- LimitNum: 1 Kilogram
- Moisture Content: NMT 0.5%
- Impurity: NMT 1.5%
Superiority
Sichuan Tongsheng is the most strongest manufacturer and exporter of amino acids and their derivatives in China, we have the best quality and price. Guarantee high quality, competive price and reliable service.
We fully compliance with ISO9001:2008, production and quality management following GMP standards, production plant constructed in accordance with GMP standards. Quality control conforms to the standards of pharmaceutical-food CP grade and Japan Ajinomoto AJI, American USP and Reagent grade BR.
we have kosher and hala certificate.
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% |
Remark:Easy to moisture-absorbed; store in dry、dark、ventilated place.
Laboratory Picture: