BENZENESELENIC ANHYDRIDE

Benzeneseleninic acid anhydride; Bis(phenylseleninic) anhydride;

BENZENESELENIC ANHYDRIDE

 

PRODUCT IDENTIFICATION

CAS RN

17697-12-0

EINECS RN

241-701-3

FORMULA

[C6H5Se(O)]2O

MASS

360.13

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE

off-white to white solid

MELTING POINT

170 - 173 C

BOILING POINT

 

DENSITY

 

SOLUBILITY IN WATER

 

pH

 

VAPOR DENSITY

 

REFRACTIVE INDEX

 

FLASH POINT

 

 

STABILITY AND REACTIVITY
STABILITY Not available

INCOMPATIBLE MATERIALS

oxidizing agents, metals.

DECOMPOSITION PRODUCTS Carbon monoxide, carbon dioxide, selenium, selenium oxides
POLYMERIZATION Has not been reported

NFPA RATINGS

 

 

SAFETY

HAZARD NOTES

Toxic by inhalation and if swallowed. Danger of cumulative effects. Moisture sensitive.

EYE

May cause eye irritation.

SKIN

May cause skin irritation.

INGESTION

May cause irritation of the digestive tract. The toxicological properties have not been fully investigated.

INHALATION

May irritate to mucous membranes and upper respiratory tract. The toxicological properties have not been fully investigated.

CHRONIC

 

 

TRANSPORT & REGULATORY INFORMATION

UN NO.

3283
HAZARD CLASS

6.1

PACKING GROUP

II

HAZARD SYMBOL

T,N

RISK PHRASES

23/25-33-50/53

SAFETY PHRASES

20/21-28-45-60-61

 

OTHER INFORMATION

an oxidizing agent

 

SALES SPECIFICATION

APPEARANCE

off-white to white solid

PURITY (G.C)

98.0% min

MELTING POINT

165 - 170 C

 

PRICE