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L-Tryptophan
[Name]:
L-Tryptophan, L-Trp
[Structural formula]:

[Molecular Formula]: C11H12N2O2
[Molecular weight]: 204.23
[Properties]: White crystals or crystalline
powder,slightly bitterness.. Melting point at 289℃. Slightly soluble in water, insoluble in
ethanol and in ether.
We are the main manufacture of L-TRYPTOPHAN in CHINA, Quality standard as Food Grade (FCC Ⅴ), Pharma Grade(USP32),Feed Grade or discuss. |
|
Items |
Pharma Grade(USP32) |
Food Grade(FCC Ⅴ) |
Feed Grade |
| Appearance |
White crystalline powder |
White crystalline powder |
Light yellow powder |
| Assay(on dry basis) |
98.5% ~ 101.5% |
98.5% ~ 101.5% |
98.0% Min |
| Specific rotation |
-29.4º ~ -32.8º |
-30.0º ~ -33.0º |
-- |
| PH |
5.5 ~ 7.0 |
-- |
-- |
| Loss on drying |
0.3% Max |
0.3% Max |
1.0% Max |
| Residue on ignition |
0.1% Max |
0.1% Max |
0.5% Max |
| Chloride |
0.05% Max |
-- |
-- |
| Sulfate |
0.03% Max |
-- |
-- |
| Iron |
0.003% Max |
-- |
-- |
| Heavy metals |
0.0015% Max |
-- |
-- |
| Lead |
-- |
5mg/kg Max |
-- |
[USAGE]: L-TRYPTOPHAN is one of the essential amino acids for human and animal, mainly used as
A: Food Grade L-TRYPTOPHAN is mainly used as nutritional supplement in food additive.
B: Pharma Grade L-TRYPTOPHAN is mainly used in formatting complex amino acid perfusion and preparation.
C: Feed Grade L-TRYPTOPHAN is mainly used as nutritional supplement in feed.
[Packing]: In kraft paper bags or in
fiber drum 25KG net each.
[Transport and Storage]: Handle with cares
to avoid damaging the package, protects them from sunshine or rain.
Don't transport it with poisonous or harmful goods. Stored in shaded,
cool and dry places. |
| Add:
NO.260-1, HEPING DONGLU, SHIJIAZHUANG, CHINA. |
P.C.:
050011 |
| Tel:
0086-311-86046166 |
Fax:
0086-311-86041112 |
| E-MAIL: gchem@heinfo.net |
|
| HTTP:// www.aminoacid-chem.com |
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