| ≥1 piece |
Qihai d-pyroglutamic acid
Standard:USP,AJI.EP,BP
ISO,GMP,Kosher Certificate
Competitive Prices
Reliable Quality
QH Chemicals D-Pyroglutamic Acid meet the requirements of USP,AJI sell at good price
ISO,GMP,Kosher Certificate
D-Pyroglutamic Acid
Packing: 25kg/drum
5000kg in Stock
Delivery: Prompt after order
| Item | Limit |
| Appearance | White crystals with lumps |
| Specific Rotation (α)D20o | +11.0 to +13.0 o (C=2 in H2O) |
| State of Solution (Transmittance) | 98.0% Min. |
| Melting Point (Celsius Degree) | 160 to 163 oC |
| Chloride (Cl) | less than 0.02% |
| Iron(Fe) | less than 10ppm |
| Heavy Metals (Pb) | less than 10ppm |
| Arsenic(AS2O2) | less than 1ppm |
| Loss on Drying | 0.20% Max |
| Residue on Ignition | 0.10% Max |
| Assay | 98.0% to 101.0% |
| Conclusion | Conform |
QH Chemicals is the professional producer of amino acids.
If any of them meets your interest, you are welcome to tell us.
Divided and special selling plan will be made according to your reference.
| CAS No.: 4042-36-8 | Other Names: (R)-(+)-2-Pyrrolidone-5-carboxylic... | MF: C5H7NO3 |
| EINECS No.: 206-452-7 | Place of Origin: Jiangsu China (Mainland) | Type: Nutrition Enhancers, Food Additives |
| Brand Name: Qihai Chemicals | Model Number: USP | White: White |