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L-TRYPTOPHAN

[Product Name]: L-TRYPTOPHAN
[Other Name]: L-TRP, L-2-AMINO-3-INDOLEPROPIONIC ACID, L-?3-INDOLYLALANINE
[Molecular Formula]: C11 H12 N2 O2
[Structural Formula]:

[Molecular Weight]: 204.23
[CAS]: 73-22-3
[EINECS]: 200-795-6
[Description]: White crystals or crystalline powder, slightly bitterness. Melting point at 289 篊. Slightly soluble in water, insoluble in ethanol and in ether.
[Standard]: Pharma Grade USP32, Food Grade FCCV, Feed Grade,or according to buyer's requirements.

Item
Pharma Grade (USP32)
Food Grade (FCCV)
Feed Grade

Appearance

White crystalline powder

White crystalline powder

Light yellow powder

Assay(on dry matter)

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: It is an essential amino acids, generally used as a nutritional supplement.
Packing: In kraft paper bags or in fiber drum 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.

Add: B-1303, NO. 310 CHANGJIANGDAO, SHIJIAZHUANG, 050035, CHINA. P.C.: 050035
Tel: +86-311-85296281 Fax: +86-311-85296280
E-MAIL: [email protected]  
HTTP:// www.jfajv.tw  


Copyright(C)2002, Shijiazhuang Shixing Amino Acid Co.,Ltd. All Rights Reserved.
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