Ethylamine , 68.0-72.0%inH2O , 75-04-7
Synonym(s):
Aminoethane;Monoethylamine
CAS NO.：75-04-7
Empirical Formula: C2H7N
Molecular Weight: 45.08
MDL number: MFCD00008160
EINECS: 200-834-7
PRODUCT Properties
| Melting point: | -81 °C(lit.) |
| Boiling point: | 17 °C |
| Density | 0.81 g/mL at 20 °C |
| vapor density | 1.56 (15 °C, vs air) |
| vapor pressure | 874 mm Hg ( 20 °C) |
| FEMA | 4236 | ETHYLAMINE |
| refractive index | n |
| Flash point: | 48 °F |
| storage temp. | 2-8°C |
| solubility | soluble in water in all proportions; soluble in ethanol, methanol,
paraffin hydrocarbons, aromatic and aliphatic hydrocarbons, ethyl ether, ethyl
acetate, acetone, and mineral oil. |
| pka | 10.7(at 25℃) |
| form | Liquid |
| color | Colorless to Light yellow to Light orange |
| Odor | Pungent; strong ammoniacal. |
| explosive limit | 14% |
| Odor Threshold | 0.046ppm |
| Odor Type | ammoniacal |
| Water Solubility | miscible |
| Merck | 14,3762 |
| JECFA Number | 1579 |
| BRN | 505933 |
| Henry's Law Constant | 1.23(x 10-5 atm?m3/mol at 25 °C) (Christie and Crisp, 1967) |
| Exposure limits | TLV-TWA 10 ppm (～18 mg/m3) (ACGIH,
MSHA, and OSHA): IDLH 4000 ppm
(NIOSH). |
| Dielectric constant | 6.9（10℃） |
| Stability: | Stable. Highly flammable. Incompatible with oxidizing agents, alkali metals, alkaline earth metals, acids, many reactive organic and inorganic compounds. Reacts with or disssolves most types of paint, plastic and rubber. |
| LogP | -0.13 |
| CAS DataBase Reference | 75-04-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Ethylamine(75-04-7) |
| EPA Substance Registry System | Ethylamine (75-04-7) |
Description and Uses
Ethylamine is a colorless gas or water-whiteliquid (below 17℃) with a strong, ammonia-like odor.Shipped as a liquefied compressed gas. Molecularweight = 45.10; Specific gravity (H2O:1) = 0.69 (liquid);Boiling point = 16.7℃; Freezing/Melting point = - 81℃;Vapor pressure = 847 mmHg at 20℃; Flash point≤ - 18℃; Autoignition temperature = 385℃. Explosivelimits: LEL = 3.5%; UEL = 14.0%. Hazard Identification(based on NFPA-704 M Rating System): Health 3,Flammability 4, Reactivity 0. Soluble in water
In resin chemistry; stabilizer for rubber latex; intermediate for dyestuffs, pharmaceuticals; in oil refining
Safety
| Symbol(GHS) |    GHS02,GHS05,GHS06 |
| Signal word | Danger |
| Hazard statements | H225-H302-H311-H314-H335 |
| Precautionary statements | P210-P280-P301+P312+P330-P301+P330+P331-P303+P361+P353-P305+P351+P338+P310 |
| Hazard Codes | F+,Xi,T,F,Xn |
| Risk Statements | 12-36/37-19-39/23/24/25-23/24/25-11-37-35-24-22-10-40 |
| Safety Statements | 26-29-16-45-36/37-7-36/37/39 |
| OEB | A |
| OEL | TWA: 10 ppm (18 mg/m3) |
| RIDADR | UN 2733 3/PG 1 |
| WGK Germany | 1 |
| RTECS | KH2100000 |
| F | 4.5-31 |
| Autoignition Temperature | 721 °F |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29211990 |
| Hazardous Substances Data | 75-04-7(Hazardous Substances Data) |
| Toxicity | LD50 orally in rats: 0.40 g/kg (Smyth) |
| IDLA | 600 ppm |
