CAEQ-4-011321-4000
中文名称 四氢呋喃;不含稳定剂
英文名称 Tetrahydrofuran,inhibitor-free,HPLC Grade
规格 4L
CAS号 [109-99-9]
分子式 C4H8O
分子量 72.11
有效期(月数) 36
储存条件 室温(10℃ ~ 30℃,湿度≤75%)
级别 HPLC
浓度/纯度 ≥99.9%
Guarantee analysis
Assay (by GC) ≥99.9%
Identification Passes test
Density at 20/4 0.884~0.892
Colour(APHA) ≤10APHA
Water (KF) ≤0.02%
Acidity ≤0.0002meq/g
Non-volatile matter ≤0.0002%
Peroxides(as H2O2) ≤0.02%
Transmission ( at 215 nm ) ≥10%
Transmission ( at 240 nm ) ≥30%
Transmission ( at 245 nm ) ≥50%
Transmission ( at 260 nm ) ≥70%
Transmission ( at 265 nm ) ≥80%
Transmission ( at 275 nm ) ≥90%
Transmission ( 310 nm-450nm ) ≥99%
Microfiltered product (0.2um) and bottled under nitrogen atmosphere