产地 | 美国 |
品牌 | Sigma |
货号 | D5545-1G |
用途 | 科研试验 |
包装规格 | 瓶 |
CAS编号 | 3483-12-3 |
纯度 | 99% |
是否进口 | 是 |
D5545
BioXtra
200
≥99.0% (titration)
powder
reagent type: reductant
Insoluble matter, passes filter test
≤0.3% 4,5-dihydroxy-1,2-dithiane
4.0-6.0 (20-25 °C, 0.1 m in H2O)
41-44 °C (lit.)
H2O: 0.1 M, clear, colorless
sulfate (SO42-): ≤0.005%
Al: ≤0.0005%
As: ≤0.0001%
Ba: ≤0.0005%
Bi: ≤0.0005%
Ca: ≤0.001%
Cd: ≤0.0005%
Co: ≤0.0005%
Cr: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Li: ≤0.0005%
Mg: ≤0.0005%
Mn: ≤0.0005%
Mo: ≤0.0005%
Na: ≤0.1%
Ni: ≤0.0005%
Pb: ≤0.0005%
Sr: ≤0.0005%
Zn: ≤0.0005%
≤0.100 at 280 in H2O at 0.1 M
≤0.400 at 260 in H2O at 0.1 M
2-8°C