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| CAS No.: | 75-04-7 |
|---|---|
| Name: | Ethylamine |
| Article Data: | 525 |
| Cas Database | |
| Molecular Structure: | |
|
|
|
| Formula: | C2H7N |
| Molecular Weight: | 45.0843 |
| Synonyms: | Ethylamine(7CI,8CI);1-Aminoethane;Aminoethane;Monoethylamine;R 631;n-Ethylamine; |
| EINECS: | 200-834-7 |
| Density: | 0.691 g/cm3 |
| Melting Point: | -81 °C |
| Boiling Point: | 14.2 °C at 760 mmHg |
| Flash Point: | -17 °C |
| Solubility: | miscible in water |
| Appearance: | light yellow liquid |
| Hazard Symbols: |
 F+, Xi, T, F
|
| Risk Codes: | 12-36/37-19-39/23/24/25-23/24/25-11 |
| Safety: | 26-29-16-45-36/37-7 |
| Transport Information: | UN 2733 3/PG 1 |
| PSA: | 26.02000 |
| LogP: | 0.66530 |
- 75048-15-6Butane,3-methyl-1-[1-(2-methylpropoxy)ethoxy]-
- 750556-81-1Ethanone,2-bromo-1-(1-methyl-1H-imidazol-2-yl)-
- 75055-73-11,3-Butanedione,1-(4-pyridinyl)-
- 75056-76-7Benzene,1-iodo-2,5-dimethoxy-4-methyl-
- 75056-97-2Benzoic acid,4-hydroxy-2,6-dimethyl-
- 750571-31-4(4R)-8-Fluorochromane-4-ylamine
- 75057-62-4Benzoic acid,2-amino-4,5-dibromo-
- 75-05-8Acetonitrile
- 7505-81-9Benzamide,2-(methylamino)-
- 75059-23-32-(6-amino-8-prop-2-enylsulfanyl-purin-9-yl)-5-(hydroxymethyl)oxolane-3,4-diol
| Conditions | Yield |
|---|---|
| With sodium tetrahydroborate In water; dimethyl sulfoxide at 60℃; for 4.5h; High pressure; Green chemistry; | 99.9% |
| With borane-ammonia complex; copper cobaltite In methanol; water at 50℃; under 1125.11 Torr; for 5h; Catalytic behavior; Reagent/catalyst; Pressure; Concentration; Sealed tube; | 98% |
| With hydrogen In ethanol at 99.84℃; under 22502.3 Torr; Autoclave; | 81% |
| Conditions | Yield |
|---|---|
| With borane-ammonia complex In methanol; water at 20℃; for 0.0833333h; | 99% |
| With ammonia borane; Pd/MIL-101 In methanol; water at 20℃; for 0.025h; | 99% |
| With sodium tetrahydroborate In methanol; water at 20℃; for 0.0666667h; Sealed tube; Green chemistry; | 99% |
| Conditions | Yield |
|---|---|
| With hydrogen In ethanol at 109.84℃; under 18751.9 Torr; for 7.5h; Autoclave; Green chemistry; chemoselective reaction; | 99% |
| Conditions | Yield |
|---|---|
| Stage #1: propiononitrile In methanol; water at 20℃; for 0.0833333h; Stage #2: With ammonia borane In methanol; water at 20℃; | 98% |
| Conditions | Yield |
|---|---|
| With hydrogen In para-xylene; isopropyl alcohol at 25℃; under 760.051 Torr; for 2h; Catalytic behavior; Reagent/catalyst; | A 6% B 94% |
| Pt-Rh catalysts Product distribution; electrochemical reduction; | |
| With sulfuric acid; palladium Product distribution; electrocatalytic hydrogenation, oth. catalysts; | |
| With 5% Pd/SiO2; hydrogen In isopropyl alcohol at 20℃; under 750.075 Torr; for 2h; | A 9 %Spectr. B 91 %Spectr. |
- 5300-22-1
(R/S)-2-(ethylamino)-1-phenylethanol
A
- 52500-61-5
2-hydroxy-1-phenylpropylamine
B
- 50-00-0
formaldehyd
C
- 100-52-7
benzaldehyde
D
- 75-04-7
ethylamine
E
- 75-07-0
acetaldehyde
| Conditions | Yield |
|---|---|
| With water at 25℃; Product distribution; Mechanism; anodic oxidation, carbonate buffer, pH 10; effect of substituents investigated with different types of β-alkanolamines; | A 1.9% B 67% C 75% D 79% E 10% |
- 3710-84-7
N-ethyl-N-hydroxy-ethanamine
A
- 50-00-0
formaldehyd
B
- 624-78-2
N-Ethylmethylamine
C
- 75-04-7
ethylamine
D
- 75-07-0
acetaldehyde
| Conditions | Yield |
|---|---|
| With phosphorus pentachloride In toluene at 18 - 20℃; Mechanism; Product distribution; object of study: Stieglitz rearrangement (prototype); | A n/a B 1.4% C 76% D n/a |
- 19528-69-9
{(C2H5NH2)2BH2}(1+)*{SC2H5}(1-)={(C2H5NH2)2BH2}{SC2H5}
A
- 7360-03-4
N,N',N''-triethylborazine
B
- 75-04-7
ethylamine
C
- 856627-30-0
ethylamine borane complex
D
- 75-08-1
ethanethiol
| Conditions | Yield |
|---|---|
| In neat (no solvent) pyrolysis;; | A 20% B n/a C 36% D 75% |
| In neat (no solvent) |
- 100-37-8
2-(Diethylamino)ethanol
A
- 50-00-0
formaldehyd
B
- 75-04-7
ethylamine
C
- 75-07-0
acetaldehyde
D
- 109-89-7
diethylamine
E
- 110-73-6
2-(Ethylamino)ethanol
| Conditions | Yield |
|---|---|
| With water at 25℃; Product distribution; Mechanism; anodic oxidation, carbonate buffer, pH 10; effect of substituents investigated with different types of β-alkanolamines; | A 5% B 1.6% C 72% D 20% E 73% |
- 623-76-7
N,N'-diethylurea
- 18522-92-4
sodium p-toluenesulfonamide
A
- 1467-23-8
N-(ethylcarbamoyl)-4-methylbenzenesulfonamide
B
- 75-04-7
ethylamine
| Conditions | Yield |
|---|---|
| at 145℃; for 5h; Product distribution; other time;; | A 71.6% B n/a |
| at 145℃; for 5h; | A 71.6% B n/a |
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Analytical Methods
It is also produced by reductive amination of acetaldehyde.CH3CHO + NH3 + H2 → CH3CH2NH2 + H2O
Ethylamine can be prepared by several other routes, but those are not economical.
Specification
The IUPAC name of Monoethylamine is ethanamine. With the CAS registry number 75-04-7, it is also named as 1-Aminoethane. The product's categories are Pharmaceutical Intermediates; Refrigerants; Alkylamines; Monofunctional & alpha, omega-Bifunctional Alkanes; Monofunctional Alkanes; Amines (Low Boiling point); Gas Cylinders; Synthetic Organic Chemistry, and the other registry numbers are 43031-21-6; 85404-16-6; 85404-22-4. Besides, it is light yellow liquid, which should be sealed in a cool and dry place at 2-8 °C. In addition, its molecular formula is C2H7N and molecular weight is 45.08.
The other characteristics of this product can be summarized as: (1)EINECS: 200-834-7; (2)ACD/LogP: -0.13; (3)# of Rule of 5 Violations: 0; (4)ACD/LogD (pH 5.5): -3.23; (5)ACD/LogD (pH 7.4): -2.99; (6)ACD/BCF (pH 5.5): 1; (7)ACD/BCF (pH 7.4): 1; (8)ACD/KOC (pH 5.5): 1; (9)ACD/KOC (pH 7.4): 1; (10)#H bond acceptors: 1; (11)#H bond donors: 2; (12)#Freely Rotating Bonds: 1; (13)Index of Refraction: 1.372; (14)Molar Refractivity: 14.84 cm3; (15)Molar Volume: 65.2 cm3; (16)Surface Tension: 21.6 dyne/cm; (17)Density: 0.691 g/cm3; (18)Flash Point: -17 °C; (19)Melting Point: -81 °C; (20)Enthalpy of Vaporization: 26.17 kJ/mol; (21)Boiling Point: 14.2 °C at 760 mmHg; (22)Vapour Pressure: 1130 mmHg at 25 °C.
Preparation of Monoethylamine: this chemical can be prepared by the reaction of Ethanol with Ammonia in the presence of an oxide catalyst:
CH3CH2OH + NH3 → CH3CH2NH2 + H2O
Uses of Monoethylamine: this chemical can be be oxidized to form Acetaldehyde. It is a precursor to many herbicides including atrazine and simazine. And it is widely used in chemical industry and organic synthesis. Additionally, it can react with [1,3]Dioxolan-2-one to get Ethyl-carbamic acid-(2-hydroxy-ethyl ester).
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This reaction will occur at temperature of 20 °C for 1 hour. The yield is 92 %.
When you are using this chemical, please be cautious about it as the following: it is extremely flammable that may form explosive peroxides. Please keep away from sources of ignition. It is also toxic by inhalation, in contact with skin and if swallowed, so please keep container tightly closed. Moreover, it is danger of very serious irreversible effects, and irritating to eyes and respiratory system. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. And you should wear suitable protective clothing and gloves. Furthermore, please do not empty into drains. In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
People can use the following data to convert to the molecule structure.
(1)Canonical SMILES: CCN
(2)InChI: InChI=1S/C2H7N/c1-2-3/h2-3H2,1H3
(3)InChIKey: QUSNBJAOOMFDIB-UHFFFAOYSA-N
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mammal (species unspecified) | LC50 | inhalation | 2300mg/m3 (2300mg/m3) | Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. Vol. 14, Pg. 80, 1975. | |
| rabbit | LD50 | skin | 390uL/kg (0.39mL/kg) | AMA Archives of Industrial Hygiene and Occupational Medicine. Vol. 10, Pg. 61, 1954. | |
| rabbit | LDLo | intravenous | 350mg/kg (350mg/kg) | "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1295, 1935. | |
| rat | LC50 | inhalation | 5540ppm/1H (5540ppm) | SENSE ORGANS AND SPECIAL SENSES: CORNEAL DAMAGE: EYE LUNGS, THORAX, OR RESPIRATION: DYSPNEA | National Technical Information Service. Vol. OTS0538173, |
| rat | LD50 | oral | 400mg/kg (400mg/kg) | AMA Archives of Industrial Hygiene and Occupational Medicine. Vol. 10, Pg. 61, 1954. |