- Min.Order :1 Gram
- Purity: min 99.0%
- Payment Terms : T/T
Keywords
DL-Methionine DL-2-Amino-4-(methylthio)butyric acid; 59-51-8;C5H11NO2S
Quick Details
- Appearance:White, crystalline platelets or powder
- Application:59-51-8
- PackAge:25kg/drum
- ProductionCapacity:|Metric Ton|Day
- Storage:Store in dry, dark, ventilated place.
- Transportation:airfreight or vessel
Superiority:
Sichuan Tongsheng is the most strongest manufacturer and exporter of amino acids and their derivatives in China, we guarantee high quality, competive price and reliable service.
We fully compliance with ISO9001:2008, production and quality management following GMP standards, production plant constructed in accordance with GMP standards. Quality control conforms to the standards of pharmaceutical-food CP grade and Japan Ajinomoto AJI, American USP and Reagent grade BR.
Details:
Product Name: H-DL-Met-OH
CAS#: 59-51-8
Synonyms: DL-Methionine
Molecular Formula: C5H11NO2S
Molecular Weight: 149.2
Specifications: (Reference Standard AJI92)
|
Item |
Standard |
|
Appearance |
White, crystalline platelets or powder |
|
State of solution (Transmittance) |
Clear and colorless not less than 98.0% |
|
Chloride (Cl) |
Not more than 0.020% |
|
Ammonium(NH4) |
Not more than 0.020% |
|
Sulfate (SO4) |
Not more than 0.020% |
|
Iron(Fe) |
Not more than 10ppm |
|
Heavy metal(Pb) |
Not more than 10ppm |
|
Arsenic(As2O3) |
Not more than 1ppm |
|
Other Amino Acids |
Chromatographically Not detectable |
|
Loss on drying |
Not more than 0.30% |
|
Residue on ignition(sulfated) |
Not more than 0.10% |
|
Assay |
99.0% to 101.0% |
|
pH |
5.6 to 6.1 |
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