Shijiazhuang Shixing Amino Acid Co.,Ltd.

L-TYROSINE

[Product Name]: L-TYROSINE
[Other Name]: L-TYR, L-ß-P-HYDROXYPHENYLAIANINE, L-a-AMINO-ß-P-HYDROXYPHENYLPROPIONIC ACID
[Molecular Formula]: C₉H₁₁NO₃
[Structural Formula]:

[Molecular Weight]: 181.19
[CAS]: 60-18-4
[EINECS]: 200-460-4
[Description]: Occurs as colorless, silky needles or as a white, crystalline powder. One gram is soluble in about 230 mL of water. It is soluble in dilute mineral acids and in alkaline solutions. It is very slightly soluble in alcohol.
[Standard]: Pharma Grade USP38, Food Grade FCCV or according to buyer’s requirements.

Item	Pharma Grade (USP38)	Food Grade (FCCV)
Appearance	Colorless, silky needles or as a white, crystalline powder.	Colorless, silky needles or as a white, crystalline powder.
Assay(on dry matter)	98.5~101.5%	98.5~101.5%
Specific rotation	-9.8º~-11.2º	-11.3º~-12.3º(20ºC)
Loss on drying	NMT 0.3%	0.3% MAX
Residue on ignition	NMT 0.4%	0.1% MAX
Chloride	NMT 0.04%	--
Sulfate	NMT 0.04%	--
Iron	NMT 30ppm	--
Lead	--	5mg/kg MAX
Related Compounds	Individual impurity: NMT 0.5% Total impurities: NMT 2.0%	--

Usage: Generally used as a nutritional supplement.
Packing: In kraft paper bags or in fiber drum of 25KG net each.
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.

Previous Next

Add	: JIACUN, XINGAN, GAOCHENG, SHIJIAZHUANG, 052160, CHINA
Tel	: +86-311-85296281	Fax	: +86-311-85296280
E-mail	: gchem@126.com	Url	: www.aminoacid-chem.com