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- Brand:hebei qujie
- Model:25kg/bag
- Purity:98%
- Cas:331-39-5
- Createtime: 2026-05-26
- Updatetime: 2026-06-05
| useage | be used as an antioxidant and pharmaceutical intermediate. |
| deliveryInfo | |
| appearance | white or pale yellow powder |
| aliasen | |
| supplyCapacity | 70T/Month |
| harbor | tianjin qingdao shanghai |
| minorder | 1KG |
Product Description
What is Ectoine?
Ectoin is a cyclic amino acid derivate developed with Freda's unique fermentation technology. As an important substance for extremophiles to survive, ectoin was found in halophiles in extreme environments. It can lock the water molecules around it with high efficiency forming a protective layer on the surface of cytomembrane to effectively protect the substances within a cell. Ectoin has remarkable moisturizing, soothing and repairing efficacy. It has been widely used in various types of cosmetic formulations.Features
1.Antioxidation
2. Soothing & Anti-inflammatory
3.Skin Protection
It defends skin against UV-induced harm and helps maintain healthy skin condition.
CAS:331-39-5
MF:C9H8O4
MW:180.16
EINECS:206-361-2
Mol File:331-39-5.mol
Melting point:211-213 °C (dec.)(lit.)
Boiling point:272.96°C (rough estimate)
Density 1.2933 (rough estimate)
refractive index 1.4500 (estimate)
storage temp. Store at RT.
solubility ethanol: 50 mg/mL
pka4.58±0.10(Predicted)
form powder
color yellow to tan
Water Solubility soluble in hot water
| Items | Specifications | Results |
| Appearance | Yellow Powder | Yellow Powder |
| Identification | Positive | Complies |
| Assay | 98 | 98.5% |
| Ash | ≤5.0% | 2.55% |
| Loss on drying | ≤5.0% | 1.20% |
| Ignition residue | ≤2.0% | 0.25% |
| Heavy metals | ≤10ppm | Complies |
| Pb | ≤2.0ppm | Complies |
| As | ≤2.0ppm | Complies |
| Odor | Characteristic | Complies |
| Particle size | 100%through 80 mesh | Complies |
| Microbioiogical: | ||
| Total of bacteria | ≤1000cfu/g | 100cfu/g |
| Fungi | ≤100cfu/g | Complies |
| Salmgosella | Negative | Complies |
| Coli | Negative | Complies |
| Conclusion | Conform with USP/FCC/E302 specification | |
| Storage condition | Store in cool & dry place, Do not freeze. Keep away from strong light and heat. | |
| Shelf life | 2 years when properly stored | |
packing:25kg/bag or fibre drum, inner by double plastic bag.
Delivery Detail: Some of the products can be supplied within 7 days on the strength of warehouse.



Hebei Qujie Technology Co., Ltd. was established in 2021. It is a private enterprise integrating production, customization, sales, and trade. The company is located at No. 8 Jinhe East Road, Tongye Town, Luquan District, Shijiazhuang City. The factory has an elegant environment, complete equipment, and ample resources. The company possesses advanced technology and professional technical personnel. Since its establishment, the company's sales have steadily increased. The company adheres to the business philosophy of 'quality and price, customer first,' which is effectively reflected in its operations, and is committed to providing customers with sufficient supply and stable and reliable quality.
Business Philosophy: Integrity-based, win-win cooperation
Corporate Spirit: Integrity, gratitude, equality, mutual respect
Corporate Mission: Create opportunities for employees, create value for customers

We strive to meet your demands with the following services:
1.Customized solutions tailored to individual clients
2.Arrangement of third-party product inspections as required
3.Evaluation and mass production based on your counter samples
4.Favorable exclusive discounts for long-term partners
5.Round-the-clock customer support


