Selenium dioxide 7446-08-4 large in supply CAS NO.7446-08-4

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)