Basic Information
DL-Pyroglutamic Acid CAS 149-87-1
| Item | Limit | Results |
| Appearance | White crystalline powder | White crystalline powder |
| Assay | 99.0%-101.0% | 99.03% |
| 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% | 0.39% |
| Residue on ignition | NMT 0.1% | 0.08% |
| Remarks | Store in well closed container and in dry and cool place | |
Products Description
Gneebio factory supply DL-Pyroglutamic Acid CAS 149-87-1. With competitive prices and high-quality standards, samples could be offered for testing.
What Is DL-Pyroglutamic Acid?
It is white crystalline powder, a kind of unnatural amino acid.
Application of DL-Pyroglutamic Acid：
- Pharmaceutical intermediates;
- Cosmetic raw materials;
- Used as biochemical reagent.
The packing of 2-Pyrrolidone-5-carboxylic acid:
Small quantity of Liquid or powder :
1. 1kg per bottle/Plastic sealing bag
2. 5kg per bottle or 10 kg per bottle/Plastic sealing bag
3. 25 kg per drum,put 25 kg drum in fiber drum
Big quantity of Liquid or powder :
4. 50 kg per drum,sometime put the drum with Foam box to avoid the smell
5. 170kg/180 kg /200kg big drum,packing with pallet.
Company Profile
Gneebio is located in Anyang City, Henan Province, China. It is a well-known supplier and manufacturer of chemical raw materials in China. We provide basic chemical raw materials, organic solvents, pharmaceutical intermediates, and other cost-effective chemical products to domestic and international chemical manufacturers and fine chemical product producers.
FAQ
1. Is there a discount?
Yes, we will offer a better price if the quantity is larger.
2. What is the minimum order quantity?
The minimum order quantity depends on the product.
3. The minimum order quantity for most products is 1 kilogram;
For some higher products, the minimum order quantity is 100 grams.
4. What is the port of loading?
Shanghai, Tianjin, Qingdao, etc.
5. What is the mode of transportation?
For small orders, we will send the goods by international express such as FEDEX, which takes 3-7 working days. Other transportation methods can be negotiated.
For large orders, we will ship the goods by sea, which takes one month. If the situation is urgent, you can choose air transportation.
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