Product Specifications
Product Description
Chemical Name: (s)-2-Amino-3-(4-hydroxyphenyl) propionic acid
Structure Formula:
Molecular Formula: C9H11NO3
Molecular Weight: 181.19
CAS No: [60-18-4]
Characteristics: White crystals or crystalline powder; Tasteless.
Quality Standards: USP24, AJI92.
Packaging and Storage: In 25kgs f iber drum double polyethylene bags inside; Preserve in well-closed containers, at controlled room temperature.
Recommended limit: 1 year.
Item
|
Specifications
|
USP24
|
AJI92
|
Appearance
|
White crystals or crystalline powder; tasteless
|
Specific optical rotation
|
-9.8° - -11.2°
|
-11.3° - -12.1°
|
State of solution (Transmittance)
|
---
|
≥ 9 5.0 %
|
Chloride (as Cl)
|
≤ 0.04 %
|
≤ 0.02 %
|
Ammonium (as NH4)
|
---
|
≤ 0.02 %
|
Sulfate (as SO4)
|
≤ 0.04%
|
≤ 0.02 %
|
Iron
|
≤ 0.003%
|
≤ 10ppm
|
Heavy Metals (as Pb)
|
≤ 0.001 %
|
≤ 10ppm
|
Arsenic (as As)
|
≤ 0.0001%
|
≤ 1ppm
|
Other amino acids
|
---
|
Not detected
|
Organic volatile impurities
|
Meets the requirement
|
---
|
Loss on drying, %
|
≤ 0.3%
|
≤ 0.2%
|
Residue on ignition
|
≤ 0.4%
|
≤ 0.1%
|
Assay
|
98.5-101.5 %
|
99.0-100.5 %
|
pH value
|
---
|
5.0-6.5
|
Organic volatile impurities
|
Meets the requirement
|
---
|
Sinoway International (Jiangsu) Co., Ltd., (formerly named China National Chemical Construction Jiangsu Company), was listed 500 import and export enterprises classified by the State in 1998. Total export and import in 2007 is 250 million US Dollars. The main transaction includes import and export of ships/vessels, chemicals, pesticides and pharmaceuticals and relative technologies.
The organization of the company consists of General Manager's office, Vice General Managers' office, Import and Export Divisions, Accounting Division and Administration Division. And there is a well trained and efficient staff team with strong business advantages.
Our mission is to provide our customers with quality service. We follow the steady development guideline of safety and benefits first. And we promote business style of practicality, modesty and progressiveness.
All staffs from Sinoway International (Jiangsu) Co., Ltd are willing to serve friend from all works of life with sincerity.
Corporate officers:
President: Mr. Tao Jinzhao
General Manager: Mr. Chen Zhongyu
Vice General Manager: Mr Lu Shenxing
