DL-Methionine, FCCIV/USP28/AJI92


Weight: 200g
Price:
Sale priceR$ 110,36

Description

Chemical Name:

DL-Methionine                                    

CAS Number:

59-51-8

Chemical Formula:

C5H11NO2S

Molecular Weight:

149.2074

Description:

White powder

* Melting Point:

270℃~273℃

 

Analytical Procedure

Specification

 

Assay:

99.0% to 100.5%

 

State of solution[transmittance]:

Clear and colorless 98.0% min.

 

Heavy metals [Pb]:

10ppm max.

 

PH:

5.5 to 6.1

 

Residue on ignition [sulfated]:

0.1% max

 

Chloride[Cl]:

0.02% max.

 

Sulphate:

0.02% max

 

Ammonium[NH4]:

0.02% max

 

Iron[Fe]:

10ppm max.

 

Loss on drying

0.30% max.

 

Arsenic [As2O3]:

1.0ppm max.

 

Other amino acids:

Chromatographically not detectable

 

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