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Basic Information
CAS No.: 112-24-3
Name: Triethylenetetramine
Article Data: 71
Molecular Structure:
Molecular Structure of 112-24-3 (Triethylenetetramine)
Formula: C6H18N4
Molecular Weight: 146.236
Synonyms: 1,2-Ethanediamine,N,N'-bis(2-aminoethyl)- (9CI);1,2-Bis(2-aminoethylamino)ethane;1,4,7,10-Tetraazadecane;1,8-Diamino-3,6-diazaoctane;3,6-Diazaoctane-1,8-diamine;Ancamine TETA;Araldite HY 951;Araldite Hardener HY 951;DEH 24;EPH 925;Epicure 3234;HY951;N,N'-Bis(2-aminoethyl)-1,2-diaminoethane;N,N'-Bis(2-aminoethyl)-1,2-ethanediamine;N,N'-Bis(2-aminoethyl)ethylenediamine;
EINECS: 203-950-6
Density: 0.9817 g/mL at 25 °C(lit.)
Melting Point: 12 °C(lit.)
Boiling Point: 266.499 °C at 760 mmHg
Flash Point: 149 °C
Solubility: soluble in water
Appearance: colourless to light yellow or amber viscous liquid
Hazard Symbols: CorrosiveC
Risk Codes: 21-34-43-52/53
Safety: 26-36/37/39-45-61
Transport Information: UN 2259 8/PG 2
PSA: 76.10000
LogP: 0.26540
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Chemistry

IUPAC Name: N,N'-bis(2-aminoethyl)ethane-1,2-diamine
Molecular formula: C6H18N4
Molar Formula: 146.23392 
EINECS: 203-950-6 
Structure of 1,2-Ethanediamine,N1,N2-bis(2-aminoethyl)- (CAS NO.112-24-3):

Melting point: 12 °C(lit.)
Boiling point: 266-267 °C
Flash Point: 149 °C
Density: 0.982 g/mL at 25 °C(lit.)
Water Solubility: SOLUBLE 
Stability: Syable. Incompatible with strong oxidizing agents, strong acids.
Appearance: colourless oily liquid
Product Categories: Nitrogen Compounds;Organic Building Blocks;Polyamines 
Canonical SMILES: C(CNCCNCCN)N
InChI: InChI=1S/C6H18N4/c7-1-3-9-5-6-10-4-2-8/h9-10H,1-8H2
InChIKey: VILCJCGEZXAXTO-UHFFFAOYSA-N

Uses

 1,2-Ethanediamine,N1,N2-bis(2-aminoethyl)- (CAS NO.112-24-3) is primarily used as a crosslinker in epoxy curing. 

Production

  1,2-Ethanediamine,N1,N2-bis(2-aminoethyl)- (CAS NO.112-24-3) is prepared by heating ethylenediamine and related species over an oxide catalyst.

Toxicity Data With Reference

1.    

skn-rbt 490 mg open SEV

    UCDS**    Union Carbide Data Sheet. (Industrial Medicine and Toxicology Dept., Union Carbide Corp., 270 Park Ave., New York, NY 10017) 12/12 ,1966.
2.    

eye-rbt 49 mg SEV

    UCDS**    Union Carbide Data Sheet. (Industrial Medicine and Toxicology Dept., Union Carbide Corp., 270 Park Ave., New York, NY 10017) 12/12 ,1966.
3.    

mmo-sat 1 nmol/plate

    MUREAV    Mutation Research. 88 (1981),165.
4.    

mma-sat 100 µg/plate

    ENMUDM    Environmental Mutagenesis. 8 (Suppl 7)(1986),1.
5.    

orl-rat LD50:2500 mg/kg

    37ASAA    Kirk-Othmer Encyclopedia of Chemical Technology. 7 (1979),580.
6.    

orl-mus LD50:1600 mg/kg

    KHZDAN    Khigiena i Zdraveopazvane. 22 (1979),179.
7.    

ivn-mus LD50:350 mg/kg

    EJMCA5    European Journal of Medicinal Chemistry. Chimie Therapeutique. 19 (1984),425.
8.    

orl-rbt LD50:5500 mg/kg

    KHZDAN    Khigiena i Zdraveopazvane. 22 (1979),179.
9.    

skn-rbt LD50:805 mg/kg

    JIHTAB    Journal of Industrial Hygiene and Toxicology. 31 (1949),60.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Hazard Codes: CorrosiveC
Risk Statements: 21-34-43-52/53
R21:Harmful in contact with skin. 
R34:Causes burns. 
R43:May cause sensitization by skin contact. 
R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 26-36/37/39-45-61
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: UN 2259 8/PG 2
WGK Germany: 2
RTECS: YE6650000
HazardClass: 8
PackingGroup: II
HS Code: 29212900
Hazardous Substances Data: 112-24-3(Hazardous Substances Data)
Poison by intravenous route. Moderately toxic by ingestion and skin contact. An experimental teratogen. Experimental reproductive effects. Mutation data reported. A corrosive irritant to skin, eyes, and mucous membranes. Causes skin sensitization. Combustible when exposed to heat or flame. Ignites on contact with cellulose nitrate of high surface area. Can react with oxidizing materials. To fight fire, use CO2, dry chemical, alcohol foam. When heated to decomposition it emits toxic fumes of NOx.

Standards and Recommendations

DOT Classification:  8; Label: Corrosive

Analytical Methods

For occupational chemical analysis use OSHA: #ID-60 or NIOSH: Triethylenetetramine, 2540.

Specification

  1,2-Ethanediamine,N1,N2-bis(2-aminoethyl)- , its cas register number is 112-24-3. It also can be called 1,4,7,10-Tetraazadecane ; 1,8-Diamino-3,6-diazaoctane ; 3,6-Diazaoctane-1,8-diamine ; 4-04-00-01242 (Beilstein Handbook Reference) ; Araldite HY 951 ; Araldite hardener HY 951 ; Ethylenediamine, N,N'-bis(2-aminoethyl)- ; N,N'-Bis(2-aminoethyl)-1,2-ethanediamine ; N,N'-Bis(2-aminoethyl)ethylenediamine ; N,N-Bis(2-aminoethyl)-1,2-diaminoethane ;
 Tomography, x-ray computed trientine ; Trien ; Trientina ; Trientine ; Trientinum ; Triethylenetetramine .