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75-04-7

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Basic Information
CAS No.: 75-04-7
Name: Ethylamine
Article Data: 525
Molecular Structure:
Molecular Structure of 75-04-7 (Ethylamine)
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: HighlyF+,IrritantXi,ToxicT,FlammableF
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
Synthetic route
75-05-8

acetonitrile

75-04-7

ethylamine

Conditions
ConditionsYield
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%
79-24-3

Nitroethane

75-04-7

ethylamine

Conditions
ConditionsYield
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%
79-24-3

Nitroethane

12percent nickel/Al-SBA-15 fiber

12percent nickel/Al-SBA-15 fiber

75-04-7

ethylamine

Conditions
ConditionsYield
With hydrogen In ethanol at 109.84℃; under 18751.9 Torr; for 7.5h; Autoclave; Green chemistry; chemoselective reaction;99%
107-12-0

propiononitrile

75-04-7

ethylamine

Conditions
ConditionsYield
Stage #1: propiononitrile In methanol; water at 20℃; for 0.0833333h;
Stage #2: With ammonia borane In methanol; water at 20℃;
98%
79-24-3

Nitroethane

A

75-04-7

ethylamine

B

624-81-7

ethylhydroxylamine

Conditions
ConditionsYield
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
ConditionsYield
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
ConditionsYield
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
ConditionsYield
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
ConditionsYield
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
ConditionsYield
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

The common method:Ethanol and ammonia are combined in the presence of an oxide catalyst:CH3CH2OH + NH3 → CH3CH2NH2 + H2O
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).



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.