CAS No.151-56-4,Ethyleneimine Suppliers

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Basic Information

Molecular Structure:
CAS No.:	151-56-4
Name:	Ethyleneimine
Article Data:	63

Formula:	C₂H₅N
Molecular Weight:	43.0684
Synonyms:	Azacyclopropane;Aziran;Binary Ethyleneimine;Dimethylenimine;EI;Q 043;Q 043 (amine);Soluol XC 100;Aziridina;
EINECS:	205-793-9
Density:	0.874 g/cm³
Melting Point:	-78 °C
Boiling Point:	56.999 °C at 760 mmHg
Flash Point:	-11 °C
Solubility:	miscible with water
Appearance:	colourless liquid with an ammonia-like smell
Hazard Symbols:	F,T
Risk Codes:	11-26/27/28-34-45-46-51/53
Safety:	45-53-61
Transport Information:	UN 1185
PSA:	21.94000
LogP:	-0.08160

Synthetic route

: 671-50-1
methyl aziridine-1-carboxylate

: 62-53-3
aniline

A: 151-56-4
ethyleneimine

B: 79143-47-8
(2-Phenylamino-ethyl)-carbamic acid methyl ester

Conditions

Conditions	Yield
In ethanol at 18 - 25℃; for 480h;	A n/a B 98%

...Expand

: 13279-22-6
1-(phenylaminocarbonyl)aziridine

: 124-40-3
dimethyl amine

A: 151-56-4
ethyleneimine

B: 101-42-8
fenuron

Conditions

Conditions	Yield
In ethanol at 18 - 25℃; for 168h;	A n/a B 94%

...Expand

: 110-89-4
piperidine

: 671-50-1
methyl aziridine-1-carboxylate

A: 151-56-4
ethyleneimine

B: 79143-49-0
(2-Piperidin-1-yl-ethyl)-carbamic acid methyl ester

Conditions

Conditions	Yield
In ethanol at 18 - 25℃; for 24h;	A n/a B 92%

...Expand

: 13279-22-6
1-(phenylaminocarbonyl)aziridine

: 74-89-5
methylamine

A: 151-56-4
ethyleneimine

B: 1007-36-9
1-methyl-3-phenylurea

Conditions

Conditions	Yield
In ethanol at 18 - 25℃; for 168h;	A n/a B 92%

...Expand

: 671-50-1
methyl aziridine-1-carboxylate

A: 151-56-4
ethyleneimine

B: 598-55-0
methyl carbamate

Conditions

Conditions	Yield
With ammonia In ethanol at 18 - 25℃; for 24h;	A n/a B 90%

: 141-43-5
ethanolamine

: 151-56-4
ethyleneimine

Conditions

Conditions	Yield
With 1 M DTPP at 60℃; for 48h;	90%
With BNTP In dichloromethane at 40℃; for 24h;	98 % Chromat.
With potassium hydroxide; sulfuric acid 1.) 80 deg C, overnight; Multistep reaction;
With cesium nitrate; iron nitrate; magnesium nitrate on fluoridated P2O5/SiO2/TiO2 at 370℃; for 8h; Temperature; Reagent/catalyst; Inert atmosphere; chemoselective reaction;

: 110-91-8
morpholine

: 671-50-1
methyl aziridine-1-carboxylate

A: 151-56-4
ethyleneimine

B: 79143-50-3
(2-Morpholin-4-yl-ethyl)-carbamic acid methyl ester

Conditions

Conditions	Yield
In ethanol at 18 - 25℃; for 24h;	A n/a B 88%

...Expand

: 13279-22-6
1-(phenylaminocarbonyl)aziridine

A: 151-56-4
ethyleneimine

B: 64-10-8
phenyl carbamate

Conditions

Conditions	Yield
With ammonia In ethanol at 18 - 25℃; for 168h;	A n/a B 88%

: 671-50-1
methyl aziridine-1-carboxylate

: 124-40-3
dimethyl amine

A: 151-56-4
ethyleneimine

B: 79143-42-3
1-methoxycarbonylamino-2-dimethylaminoethane

Conditions

Conditions	Yield
In ethanol at 18 - 25℃; for 24h;	A n/a B 82%

...Expand

: 3634-89-7
N-(p-toluenesulfonyl)aziridine

: 151-56-4
ethyleneimine

Conditions

Conditions	Yield
With carbon dioxide; DBN; lithium iodide In toluene at 90℃; for 5h; Inert atmosphere;	82%

Raw Materials

141-43-5

15269-50-8

107-15-3

689-98-5

13279-22-6

765-30-0

2576-47-8

626-60-8

Downstream Products

288-32-4

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Chemistry

MF: C₂H₅N
MW: 43.07
EINECS: 205-793-9
Product Categories: Pharmaceutical Intermediates
Mol File: 151-56-4.mol
mp： -78°C
bp： 56°C
density： 0,83 g/cm³
Fp： -11°C
Water Solubility： miscible
Synonyms:AZIRIDINE;ETHYLENEIMINE;ETHYLENIMINE;Dimethyleneimine;1H-Azirine, dihydro-;Aethylenimin;Aminoethylene;Azacyclopropane
The structure of Ethyleneimine(151-56-4) is:

Toxicity Data With Reference

1.	eye-mus 2 ppm/1M	JIHTAB Journal of Industrial Hygiene and Toxicology. 30 (1948),7.
2.	skn-rbt 10 mg/24H open	JIHTAB Journal of Industrial Hygiene and Toxicology. 30 (1948),63.
3.	eye-rbt 2 mg SEV	AJOPAA American Journal of Ophthalmology. 29 (1946),1363.
4.	sln-dmg-mul 1 pph/8H-C	GNKAA5 Genetika. 21 (1985),958.
5.	mnt-nml-mul 5000 ppm/8D-C	MUREAV Mutation Research. 125 (1984),275.
6.	cyt-hmn:lng 1 µmol/L	EVSRBT Environmental Science Research. 24 (1981),433.
7.	dns-mus-par 5 mg/kg	EVSRBT Environmental Science Research. 24 (1981),943.
8.	dlt-mus-ipr 5 mg/kg	EVSRBT Environmental Science Research. 24 (1981),943.
9.	msc-ham:ovr 2 mg/L	MUREAV Mutation Research. 94 (1982),449.

Consensus Reports

Community Right-To-Know List. EPA Extremely Hazardous Substances List. Ethyleneimine(151-56-4) is reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.

Safety Profile

Hazard Codes： F;T,T,F,N,T+
Risk Statements：Very Toxic by inhalation；Very Toxic in contact with skin；Very Toxic if swallowed
Safety Statements：In case of accident or if you feel unwell, seek medical advice immediately；Avoid exposure - obtain special instruction before use
RIDADR： 1185
HazardClass： 6.1(a)
PackingGroup： I
Hazardous Substances Data： 151-56-4(Hazardous Substances Data)
Poison by ingestion, skin contact, inhalation, and intraperitoneal routes. Human mutation data reported. A skin, mucous membrane, and severe eye irritant. An allergic sensitizer of skin. Causes opaque cornea, keratoconus, and necrosis of cornea (experimentally). Has been known to cause severe human eye injury. Drinking of carbonated beverages is recommended as an antidote to this material in stomach.

Standards and Recommendations

OSHA PEL: TWA 1 mg/m³ (skin); Cancer Suspect Agent
ACGIH TLV: TWA 0.5 ppm (skin); Animal Carcinogen
DFG MAK: DFG TRK: Animal Carcinogen, Suspected Human Carcinogen
NIOSH REL: (Ethyleneimine) TWA use 29 CFR 1910.1012
DOT Classification: 6.1; Label: Poison, Flammable Liquid

Analytical Methods

For occupational chemical analysis use NIOSH: Ethylenimine, P&CAM 300.

Specification

1、Exposure
Inhalation and direct contact. It is noted in some reports that even when gloves have been used these have not prevented permeation of aziridine. It is therefore important that users check the breakthrough permeation times for gloves and pay scrupulous attention to avoiding contamination when degloving.
2、Sensitisation
Aziridine rapidly penetrates skin on skin contact.
Skin sensitiser - causing allergic contact dermatitis and urticaria.
Respiratory sensitiser - causing occupational asthma