L-Tyrosine, USP24/AJI92


Weight: 200g
Price:
Sale price€23,47

Description

Product Name: L-Tyrosine
CAS No.: 60-18-4
EINECS No.: 200-460-4
Chemical Formula: C9H11NO3
Molecular Weight: 181.1908
Other names:
L-2-Amino-3-(4-hydroxyphenyl)propanoic acid

Specification:

Appearance:

White powder

Assay:

99.0% to 100.5%

Specific rotation [α]D20:

-9.8o to -11.2o

State of solution:

Clear and colorless 

Transmittance:

95.0% min.

Loss on drying

0.20% max.

PH:

5.0 to 6.5

Residue on ignition [sulfated]:

0.10% max.

Chloride [Cl-]:          

0.020% max.

Ammonium [NH4+]:

0.02% max.

Sulfate [SO42-]:

0.02% max.

Iron [Fe]:

10ppm max.

Heavy metals [Pb]:

10ppm max.

Arsenic [As2O3]:

1ppm max.

Other amino acid:

Not detectable.

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