Name | Benzeneseleninic acid |
Synonyms | PHENYLSELENIC ACID Phenylselenic acid BENZENESELENIC ACID PHENYLSELENIOUSACID seleninobenzoic acid Phenylseleninic acid BENZENESELENINIC ACID Benzeneseleninic acid benzene selenoic acid Benzene Selenenic Acid |
CAS | 6996-92-5 |
EINECS | 230-271-2 |
InChI | InChI=1/C6H6O2Se/c7-9(8)6-4-2-1-3-5-6/h1-5H,(H,7,8) |
Molecular Formula | C6H6O2Se |
Molar Mass | 189.07 |
Density | 1.9300 |
Melting Point | 121-124 °C (lit.) |
Boling Point | 114.4±23.0 °C(Predicted) |
Flash Point | 23°C |
Water Solubility | Slightly soluble in water |
Vapor Presure | 15.7mmHg at 25°C |
Appearance | solid |
Color | Plates from water |
BRN | 1929765 |
pKa | pK1:4.79 (25°C) |
Storage Condition | Room Temprature |
MDL | MFCD00002100 |
Risk Codes | R23/25 - Toxic by inhalation and if swallowed. R33 - Danger of cumulative effects R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
Safety Description | S20/21 - S28 - After contact with skin, wash immediately with plenty of soap-suds. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
UN IDs | UN 3283 6.1/PG 2 |
WGK Germany | 3 |
FLUKA BRAND F CODES | 8 |
HS Code | 29310099 |
Hazard Class | 6.1(b) |
Packing Group | III |
category | toxic substances |
toxicity grade | high toxicity |
explosive hazard characteristics | reaction with hydrazine derivatives |
flammability hazard characteristics | flammability; Toxic selenide smoke from combustion |
storage and transportation characteristics | ventilation and low temperature drying; Separate storage |
fire extinguishing agent | dry powder, foam, sand, carbon dioxide, water mist |
Occupational Standard | TWA 0.2 mg (selenium)/m3 |