Chemical Name: | (S)-2-Amino-3-hydroxypropanoic acid |
Structure Formula: | |
Molecular Formula: | C3H7NO3 |
Molecular Weight: | 105.09 |
Cas No: | [56-45-1] |
Characteristics: | White crystalline powder |
Quality Standards: | AJI97 |
Item | Specification (AJI97) |
Appearance | White crystalline powder |
Assay, % (on dry matter) | 99.0~101.0 |
Specific optical rotation | +14.4o~+15.5o |
Transmittance,% | ≥98.0 |
pH value | 5.2~6.2 |
Loss on drying, % | ≤0.2 |
Heavy metals, % | ≤0.001 |
Residue on ignition, % | ≤0.1 |
Chloride,% | ≤0.02 |
Sulfate,% | ≤0.02 |
Iron, % | ≤0.001 |
Arsenic, % | ≤0.0001 |
Ammonium (as NH+4), % | ≤0.02 |
Other amino acids | Not detd. |
The Characteristics and Uses: | L-Serine(L-Ser), classified as a nonessential amino acid occurring in natural form as the L-isomer, is the form of serine which is used in protein synthesis and is readily assimilated by the digestive system, and it can not be synthesized in the human and animal body. And please notice that very high serine levels may cause immune suppression and psychological symptoms such as cerebral allergies. |
Package and Transport: | The inner packed with two layer polyethylene plastic bags; the outer packed with the paper board barrel. Net weight 25kg. Handle with care. Protect the product from sunshine or rain. Do not transport with poisonous or harmful goods. This product belongs to the non-dangerous product category and can be transported as a general chemical product. |
Storage: | Store in dry, clear, shady and place. The expiry date is for two years. |