DL-Methionine
DL-Methionine Details
DL-Methionine is white, crystalline platelets or powder having a characteristic odor. one g dissolves in about 30 ml of water. it is soluble in dilute acids and alkali hydroxides in solutions. it is very slightly soluble in alcohol, and practically insoluble in ethyl ether.
quality standards: fcciv, ep4 and bp2001 etc.
DL-Methionine Applications
DL-Methionine is a kind of important amino acid . It’s mainly used in compounding medicines and infusion solution of compounded amino acid. In pharmaceutical industry, its synthetic medicines are used for treating cirrhosis , drug intoxication, etc.
DL-Methionine Specifications
|
ITEM |
STANDARD |
|
Appearance |
White Crystalline Powder |
|
Assay (on dry matter) % |
98.5-101.5 |
|
Clarity of Solution |
Clear, colorless |
|
Transmittance ≥% |
98.0 |
|
PH Value(1g/100ml in water) |
5.4-6.1 |
|
Chloride(As Cl) ≤ % |
0.05 |
|
Heavy Metals(As Pb) ≤ % |
0.002 |
|
Lead (As Pb) ≤ % |
0.001 |
|
Arsenic (As AS) ≤ % |
0.00015 |
|
Sulfate(SO4) ≤ % |
0.02 |
|
Ammonium( As NH4) ≤ % |
0.01 |
|
Loss on drying ≤ % |
0.5 |
|
Residue on ignition(as sulphate ash) ≤ % |
0.1 |
|
Organic Volatile Impurities |
Meets the requirement |
Storage: in dry, cool, and shaded place with original packaging, avoid moisture, store at room temperature.
Shelf Life: 48 months
Package:in 25kg/bag
delivery:prompt
1. What’s your payment terms?
T/T or L/C.
2. What’s your delivery time?
Usually we will arrange the shipment in 7 -15 days.
3. How about the packing?
Usually we provide the packing as 25 kg / bag or carton. Of course, if you have special requirements on them, we will according to you.
4. How about the validity of the products?
According to the products you ordered.
5. What documents you provide?
Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.
6. What is loading port?
Usually is Shanghai,Qingdao or Tianjin.
