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Appearance:yellowish white to reddish powder or crystals
Throughput:500|Kilogram|Month
pd_productuse:A white or creamy-white volatile lustrous crystal or crystalline powder with a pungent sour smell. Melting point 340 deg C. Density 3.954 g / cm3 . Toxic by ingestion and inhalation.
Delivery Time:in stock
Purity:98%
Selenium dioxide Chemical Properties
mp 315 °C (subl.)(lit.)
bp 684.9 °C(lit.)
density 4.81 g/mL at 25 °C(lit.)
vapor pressure 1 mm Hg ( 157 °C)
Fp 315°C
solubility H2O: soluble
form powder
color white
Water Solubility 38.4 g/100 mL (14 ºC)
Sublimation 315 ºC
Merck 14,8434
Stability: Stable. Incompatible with organic materials, strong acids, ammonia, nitric acid, halogen acids. Protect from moisture.
CAS DataBase Reference 7446-08-4(CAS DataBase Reference)
NIST Chemistry Reference Selenium dioxide(7446-08-4)
EPA Substance Registry System Selenium oxide (SeO2)(7446-08-4)
Safety Information
Hazard Codes T,N,Xn
Risk Statements 36/38-50/53-33-23/25-51/53-20/22
Safety Statements 26-61-60-45-28A-20/21-28
RIDADR UN 3440 6.1/PG 3
WGK Germany 2
RTECS VS8575000
F 3
HazardClass 6.1
PackingGroup II
Hazardous Substances Data 7446-08-4(Hazardous Substances Data)
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