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

Selenium dioxide Basic information

Product Name: Selenium dioxide
Synonyms: Selenious acid anhydride;SELENIOUS ANHYDRIDE;SELENIUM AA/ICP CALIBRATION/CHECK STANDARD;SELENIUM AA SINGLE ELEMENT STANDARD;SELENIUM, AAS STANDARD SOLUTION;SELENIUM AA STANDARD;SELENIUM ATOMIC ABSORPTION SINGLE ELEMENT STANDARD;SELENIUM ATOMIC ABSORPTION STANDARD
CAS: 7446-08-4
MF: O2Se
MW: 110.96
EINECS: 231-957-4
Product Categories: Inorganics;Metal and Ceramic Science;Oxides;Selenium;Others;Oxidation;Synthetic Reagents;metal oxide
Mol File: 7446-08-4.mol

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)