DL-ALANINE

[Product Name]: DL-METHIONINE
[Other Name]: DL-2-AMINO-4-METHYLTHIOBUTYRIC ACID
[Molecular Formula]: C5 H11 NO2 S
[Structural Formula]: CH3 SCH2 CH2 CH(NH2 )COOH
[Molecular Weight]: 149.21
[CAS]: 59-51-8
[EINECS]: 200-432-1
[Description]: White flake crystal powders, have a special smell, bulk density 1.34g/cm3, melting at 281 ļC. Itís soluble in water, slightly soluble in alcohol, belongs to sulfur amino acid and non-toxic.
[Standard]: Pharm Grade USP38, Food Grade FCCV, or according to buyer's requirements.

Item
Pharm Grade (USP38)
Food Grade (FCCV)

Appearance

White flake crystal powders

White flake crystal powders

Assay(on dry matter)

99.0~101.0%

98.5~101.5%

Residue on ignition

NMT 0.1%

0.1% MAX

Chloride

NMT 200ppm

--

Sulfate

NMT 200ppm

--

Limit of Iron

NMT 10ppm

--

Limit of Ammonium

NMT 200ppm

--

Related substances

Individual impurity: NMT 0.2%

--

pH

5.4~6.1

5.6~6.1

Transmittance

NLT 0.98

--

Loss on drying

NMT 0.5%

0.5% MAX

lead

--

5mg/kg MAX


Usage: Generally used as a nutritional supplement.
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. Donít transport it with poisonous or harmful goods. Stored in shaded, cool and dry places.

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