Hydroxyethyl Starch supplier in china
Price | USD1.90 |
Packge | 1KG |
- Min. Order:1KG
- Supply Ability:10 ton
- Time:2021-12-01
Product Details
- Product NameHydroxyethyl Starch
- CAS No.9005-27-0
- EINECS No.618-410-9
- MF(C6H10O5)m(C2H5O)n
- MW0
- AppearanceneatWhite to Off-White
- storage temp. -20°C
- Melting point >224oC (dec.)
Items | Standard | Result |
Appearance | White or off-white powder | Complies |
Assay(on the dried basis,subtract the assay of NaCl) | 98.5%min | 100.8% |
Specific optical rotation | +182°~+192° | +189° |
Identification 1(chemical reaction) | Complies | Complies |
Identification 2(infrared spectra) | Complies | Complies |
PH | 4.5~6.5 | 6.1 |
Clarification degree | Complies | Complies |
Absorbency | 0.05 | 0.01 |
Loss on drying | 5.0% | 4.0% |
Heavy Metal | 10ppm | 10ppm |
Sodium Chloride | 0.6% | 0.08% |
Weight average molecular weight and molecular weight distribution | Complies | Complies |
Replacement degree | 0.36~0.45 | 0.41 |
Characteristic viscosity | 13.0~17.0 | 15.2 |
Ethylene oxide | 0.001% | Absent |
Ethylene alcohol | 0.062% | 0.020% |
25kg/Drum
Company Profile Introduction
Hebei Crovell Biotech Co., Ltd. was founded in 2019 , located in Shijiazhuang city which is the capital of Hebei Province and hub sector among Beijing Tianjin and Hebei and has advantage of convenient transportation . Our company is a modern high-tech chemical enterprise with Research & Development, production and sales.
Our company has strong technical strength, advanced equipment, strict quality management system and high-quality aftersales service, adhers to the "customer first and forge ahead" business philosophy and insists on integrity as the company's survival. All for the customers’ satisfaction, all for the long term healthy development of the enterprise. In the past 2 more years, we have been strictly managing the whole trade process, focusing on every detail, providing customers with all-round services such as product purchase, R & D, quality control, logistics management and so on, and become reliable cooperation company and partner for our clients. Nowadays We formed large varieties, large scale, complete categories, refined degree, added value and high technology content product chain .There are several series including pharmaceutical products, food grade additives, industrial grade, fertilizer grade and mineral products.
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