- Phenyl diselenide
Slightly yellow solid. With a stench.
Registry Numbers and Inventories.
EC Index Number
toxic, dangerous for the environment
R 23/25 33 50/53
S 20/21 28 45 60 61
Melting point, °C
58 - 61
Boiling point, °C
Vapor pressure, mmHg
1.5E-5 (25 C)
Solubility in water
40.02 g/s2 (77 C)
1.743 (20 C)
Partition coefficient, pKow
Heat of vaporization
Heat of combustion
Hazards and Protection.
Store in a cool, dry place. Store in a tightly closed container.
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions.
Oxidizing agents - reducing agents - halogens.
Carbon monoxide, carbon dioxide, selenium/selenium oxides.
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
Fire may produce irritating, corrosive and/or toxic gases.
Poison by ingestion. May cause liver damage. The toxicological properties of this substance have not been fully investigated.
The toxicological properties of this substance have not been fully investigated. May cause lung damage. Toxic if inhaled.
May cause skin irritation.
May cause eye irritation.
Get medical aid immediately. Wash mouth out with water.
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
I; II; III
USCG CHRIS Code
2931 00 95