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二甲基亚砜
二甲基亚砜(DMSO)
INSPECTION ITEMS | PRODUCT INDEX |
Characters 外观 | A corlorless liquid or corlorless crystals,hygroscopic,miscible with water and with alcohol |
Identification 定性 | A. B. C. D. complies |
DMSO CONTENT主含量% | ≥99.90 |
CRYSTALIZING POINT结晶点℃ | ≥18.30 |
ACID VALUE酸值 | ≤0.02 |
REFRACTIVE INDEX折光率 | 1.4755-1.4790 |
UV ABSORPTION紫外消光值 | 275nm ≤0.20 |
295nm/275nm ≤0.45 | |
285nm/275nm ≤0.65 | |
water Content水份 | ≤0.1 |
Relative Density 相对密度 | 1.095 to 1.104 |
Related Substance 杂质 | Not more than 0.1% |