L-TYROSINE
[Product Name]: L-TYROSINE
[Other Name]: L-TYR, L-?P-HYDROXYPHENYLAIANINE, L-a-AMINO-?P-HYDROXYPHENYLPROPIONIC ACID
[Molecular Formula]: C9 H11 NO3
[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抯 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抰 transport it with poisonous or harmful goods. Stored in shaded, cool and dry places.
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B-1303, NO. 310 CHANGJIANGDAO, SHIJIAZHUANG, 050035, CHINA. |
P.C.:
050035 |
Tel:
+86-311-85296281 |
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+86-311-85296280 |
E-MAIL: [email protected] |
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