Toxic
Health Selenium 99.5+%, powder 200 mesh
Supplier: Thermo Fisher Scientific
Certificates
About this item
CAS Number:7782-49-2
:
Formula:Se
MDL Number:MFCD00134090
:78.96 g/mol
Merck Index:12,08572
Boiling Pt:685 °C (760 mmHg)
Melting Pt:217 °C
Density:4.81 g/cm³ (20 °C)
Storage Temperature:Ambient
EINECS:231-957-4
UN:3283
ADR:6.1,III
:GHS06
:GHS08
Specification Test Results
- Appearance:Dark grey to black Powder
- Assay:≥99.50 %
- Particle size:≤200 mesh
- Arsenic (As):≤100 ppm
- Copper (Cu):≤100 ppm
- Iron (Fe):≤200 ppm
- Lead (Pb):≤200 ppm
- Mercury (Hg):≤100 ppm
- Nickel (Ni):≤100 ppm
- Tellurium (Te):≤1000 ppm
Specification Test Results
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