Name | aziridine |
Synonyms | Azirane aziridine Aziridina ethenimine Ethyleneimine AZIRIDINEHARDENER dihydro-1h-azirin Ethylenimine, monomer Aziridine(ethylenimine) Ethylen(e)imine,monomer aziridine(ethyleneimine) Aziridine (Ethyleneimine) AZIRIDINE (ETHYLENEIMINE), STABILIZED WITH NAOH |
CAS | 151-56-4 |
EINECS | 205-793-9 |
InChI | InChI=1/C2H3N/c1-2-3/h3H,1H2 |
Molecular Formula | C2H5N |
Molar Mass | 43.07 |
Density | 0,83 g/cm3 |
Melting Point | -78°C |
Boling Point | 56°C |
Flash Point | -11°C |
Water Solubility | miscible |
Solubility | miscible with water and virtually all organic solvents |
Vapor Presure | 160 at 20 °C, 250 at 30 °C (quoted, Verschueren, 1983) |
Appearance | Colorless liquid |
Odor | Fishy; ammoniacal. |
Exposure Limit | TLV-TWA (skin) 0.5 ppm (~1 mg/m3)(ACGIH, OSHA, and MSHA); Poten tial Human Carcinogen in the workplace(OSHA), Potential Carcinogen (NIOSH). |
pKa | 8.01(at 25℃) |
Stability | Highly flammable. Reacts with a wide variety of materials. |
Refractive Index | nD25 1.412 |
Physical and Chemical Properties | Cycloethylamine pure colorless liquid, ammonia odor, freezing point -74 ℃, B. p. 55~56 ℃,n25D 1.4123, relative density 0.832(24 ℃),f. P. 12 ℃, can be miscible with water, soluble in ethanol, aqueous solution is alkaline, when acid or absorption of carbon dioxide easy polymerization, commodity cycloethylamine contains a small amount of sodium hydroxide as stabilizer. |
Use | For organic synthesis, and used as a binder, mutagen, in the electroplating industry for the production of new brighteners |
Risk Codes | R11 - Highly Flammable R26/27/28 - Very toxic by inhalation, in contact with skin and if swallowed. R34 - Causes burns R45 - May cause cancer R46 - May cause heritable genetic damage R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
Safety Description | S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S53 - Avoid exposure - obtain special instructions before use. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
UN IDs | 1185 |
Hazard Class | 6.1(a) |
Packing Group | I |
Toxicity | LD50 orally in rats: 15 mg/kg (Smyth) |