Methyl Sulfonyl Methane
名称： | Methyl Sulfonyl Methane |
别名： | 二甲砜，甲基磺酰甲烷，磺酰基二甲烷，甲磺酰甲烷，甲基磺酰基甲烷，甲磺酰甲烷 |
结构式： |
|
分子式： | C2H6SO2 |
分子量： | 94.13 |
英文名称： | Dimethyl sulfone , Methyl Sulfonyl Methane , MSM |
性状外观： | 白色、类白色结晶性粉末 |
CAS RN | 67-71-0 |
EINECS号 | 200-665-9 |
安全术语 | S24/25; |
物化性质 | 熔点 107-111°C ; 沸点 238°C ; 闪点 143°C ; 水溶性 150 g/L (20°C |
Test Standard | USP40 |
INSPECTION ITEMS | PRODUCT INDEX |
Assay | 98.0%-102.0% |
Chromatographic Purity | ≥99.9% |
Infrared Absorption | complies |
DMSO Content % | ≤0.1 |
Any Other Individual Impurity | ≤0.05% |
Total Impurities | ≤0.20% |
Melting Poiot℃ | 108.5-110.5 |
Bulk Densityg/ml | >0.65 |
Water Content% | <0.10 |
Heavy Metals(as pb) PPM | <3 |
Residue on Ignition% | <0.10 |
Coliform(CFU/g) | Negative |
E.Coli(CFU/g) | Negative |
Yeast/Mold(CFU/g) | <10 |
Salmonella | Negative |
Standard Aerobic Plate Count(CFU/g) | <10 |
2) product specification (crystallization purification process)
See specification table, a total of 20-40 mesh, 40-60 mesh, 60-80 mesh, 80-100 mesh four specifications.
3) the product specification (distilling purification and sublimation process)
Distilled flake and sublimed superfines two specifications
4) product packaging
Barrel: drum lined with double PE bags, contents sealed tight, sealed barrel preservation, the barrels coat a layer of PE plastic bags, mouth tightly. Drum shape has two kinds of round barrel and square barrel, a barrel (box) of 25 kg net content.
Phi drum drum size: 36 x 45, square barrel: long 36 x width x 36 high 34
Bags of 25 kg bags, PP plastic woven bag or kraft paper bag, lined with two layers of PE plastic bags. 650 kg ton bag, plastic woven bag outside, lining of PE bag. In addition, according to the weight of the separate packing according to customer's request.
