苯 HPLC ≥99.7% 4L [71-43-2]

CAEQ-4-012256-4000

中文名称 苯

英文名称 Benzene, HPLC Grade

规格 4L

CAS号 [71-43-2]

分子式 C6H6

分子式 78.11

级别 HPLC

浓度/纯度 ≥99.7%

Guarantee analysis

Assay (by GC)                           ≥99.7%

Colour(APHA)                           ≤10APHA

Water (KF)                                ≤0.05% 

Evaporation residue                 ≤0.001%

Transmission ( at 280 nm )       ≥10%

Transmission ( at 290 nm )       ≥70%

Transmission ( at 300 nm )       ≥89%

Transmission ( at 330 nm )       ≥97%

Transmission ( at 350 nm )       ≥98%

Microfiltered product(0.2um)and bottled under nitrogen atmosphere