L-HISTIDINE

[Product Name]: L-HISTIDINE
[Other Name]: L-HIS, L-2-AMINO-3-(4-IMIDAZOLYL) PROPIONIC ACID, L-2-AMINO-4(5)-IMIDAZOLE PROPIONIC ACID, L-3-(4-IMIDAZOLYL) ALANINE
[Molecular Formula]: C6 H9 N3 O2
[Structural Formula]:

[Molecular Weight]: 155.15
[CAS]: 71-00-1
[EINECS]: 200-745-3
[Description]: Occurs as white crystals or as a crystalline powder. It is soluble in water, very slightly soluble in alcohol, and insoluble in ether. It melts with decomposition between about 277 篊 and 288 篊.
[Standard]: Pharma Grade USP38 and EP8, Food grade FCCV, or according to buyer's requirements.

Item
Pharma Grade (USP38)
Food Grade (FCCV)

Appearance

White crystals or as a crystalline powder

White crystals or as a crystalline powder

Assay(on dry matter)

98.5~101.5%

98.5~101.5%

Specific rotation

+12.6º~+14.0º

+11.5º~+13.5º(20ºC)

Loss on drying

NMT 0.2%

0.2% MAX

Residue on ignition

NMT 0.4%

0.2% MAX

Chloride

NMT 0.05%

--

Sulfate

NMT 0.03%

--

Iron

NMT 30ppm

--

pH

7.0~8.5

--

Lead

--

5mg/kg MAX

Related Compounds

Individual impurities: NMT 0.5%
Total impurities: NMT 2.0%

--


Usage: Generally used as a nutritional supplement, it is an essential amino acids to children.
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.

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.ttguyn.live  


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