L-Tyrosine- Hebei Huaheng Biological Technology Co Ltd

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L-Tyrosine

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Min.Order:25 Kg(s)
Payment Terms:T/T , Others

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Hebei Huaheng Biological Technology Co Ltd

Business Type:Manufacturer

Country/Region:China

Ddu Verified

HOT Rank

8/10

Product Information

Pharmacopeia:CP
Shelf Life:2 years
Storage:Sealed

Description

Chemical Name：

3-(4-Hydroxyphenyl)-L-alanine

Structure Formula：

Molecular Formula：

C9H11NO3

Molecular Weight：

181.19

Cas No：

[60-18-4]

Characteristics：

White, styli form crystals with bitterness, soluble in dilute acids or base

Quality Standards：

USP24, AJI97 and etc.

Item	Specifications
Item	USP24	AJI97
Appearance	White crystals or crystalline powder; tasteless
Assay,%	98.5~101.5	99.0~101.0
Specific optical rotation	-9.8°~ -11.2°	-11.3°~ -12.1°
Transmittance, %	- - -	≥98.0
Heavy Metals (as Pb), %	≤0.001	≤0.001
pH value	- - -	5.0~6.5
Loss on drying, %	≤0.3	≤0.2
Residue on ignition, %	≤0.4	≤0.1
Chloride (as Cl),%	≤0.04	≤0.02
Ammonium (as NH4),%	- - -	≤0.02
Sulfate (as SO4), %	≤0.04	≤0.02
Iron, %	≤0.003	≤0.001
Arsenic (as As), %	≤0.0001	≤0.0001
Other amino acids	- - -	Not detd.
Organic volatile impurities	Meets the requirement	- - -

The Characteristics and Uses：

One of essential materials to prepare all kinds of medicine such as L-topa

Package and Transport：

Packed with a polyethylene bag for the inner layer and a Kraft paper board barrel for the outer layer, net weight 25kg/drum. Packaging may be arranged according to the requirement of the client.

Handle with care in order to avoid damaging the package. Protect them from sunshine and rain. Do not transport them together with poisonous or harmful goods. This product is a non-dangerous product and can be transported as a general chemical product.

Storage：

Store in cool, shaded, dry and clean places. Do not store it together with poisonous or harmful goods in order to avoid pollution. The limit of retained quality for two years.