Shijiazhuang Shixing Amino Acid Co.,Ltd.

L-SERINE

[Product Name]: L-SERINE
[Other Name]: SER, L-2-AMINOHYDROXYPROPIONIC ACID, L-ß-HYDROXYALANINE
[Molecular Formula]: C₃H₇NO₃
[Structural Formula]: HOCH₂CH(NH₂)COOH
[Molecular Weight]: 105.09
[CAS]: 56-45-1
[EINECS]: 206-130-6
SHIJIAZHUANG SHIXING AMINO ACID CO., LTD. L-SERINE has passed the EU REACH registration.
[Description]: White crystalline powder, odorless, sweet, freely soluble in water, insoluble in alcohol and in ether.
[Standard]: Pharma Grade USP38, Food Grade FCCV, or according to buyer's requirements.

Item	Pharma Grade (USP38)	Food Grade (FCCV)
Appearance	White crystalline powder	White crystalline powder
Assay(on dry matter)	98.5~101.5%	98.5~101.5%
Specific rotation	+14.0º~+15.6º	+13.6º~+16.0º
Loss on drying	NMT 0.2%	0.3% MAX
Residue on ignition	NMT 0.1%	0.1% MAX
Chloride	NMT 0.05%	--
Sulfate	NMT 0.03%	--
Iron	NMT 30ppm	--
Lead	--	5mg/kg MAX
Related compounds	Individual impurities: NMT 0.5% Total impurities: NMT 2.0%	--

Usage: Generally used as a nutritional supplement, It can also be used as a moisturizer in cosmetics.
Packing: In fiber drums of 25KG net each or according to buyer’s need.
Transport and Storage: Handle with cares to avoid damaging the package, protect them from sunshine or rain. Don't transport it with poisonous or harmful goods. Stored in shaded, cool and dry places.

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