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L-Cysteine Free Base (52-90-4)
 L-Cysteine Free Base (52-90-4) |
Product Description
Molecular Formula: C3H7NO2S
Molecular Weight: 121.15
CAS No: [52-90-4]
Characteristics: White crystalline powder; Tasteless, easily soluble in water but insoluble in alcohol and ether
Quality Standards: AJI92
Item: Specifications (AJI92)
Description: White crystals or crystalline powder
Identification: Meets the requirements
Specific rotation: +8.3° - +9.5°
Tate of solution: ¡Ý 95.0%
Chloride (Cl): ¡Ü 0.04%
Ammonium (NH4): ¡Ü 0.02%
Sulfate (SO4): ¡Ü 0.030%
Iron (Fe): ¡Ü 10PPm
Heavy metals (Pb): ¡Ü 10PPm
Arsenic (As2O3): ¡Ü 1PPm
Other amino acids: Conforms
Loss on drying: ¡Ü 0.5%
Residue on ignition (sulfated): ¡Ü 0.1%
Assay 98.0-101.0%
pH: 4.5-5.5
Packaging and Storage: In 25kgs fiber drum double polyethylene bags inside; Preserve in well-closed containers, at controlled room temperature.
Recommended limit: 1 year.
| Model NO.: | 52-90-4 |
|---|---|
| Origin: | China |
| Packing: | In 25kgs Fiber Drum |
| Company: | Ningbo Guoguang Bio-Technoly Co., Ltd. |
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