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%