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Triethylenetetramine

Product Name:
Triethylenetetramine
CAS No.
112-24-3
Chemical Name:
Triethylenetetramine
CBNumber:
CB8183772
Molecular Formula:
C6H18N4
Formula Weight:
146.23
MOL File:
112-24-3.mol
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Triethylenetetramine Property

Melting point:
12 °C(lit.)
Boiling point:
266-267 °C(lit.)
Density 
0.982 g/mL at 25 °C(lit.)
vapor density 
~5 (vs air)
vapor pressure 
<0.01 mm Hg ( 20 °C)
refractive index 
n20/D 1.496(lit.)
Flash point:
290 °F
storage temp. 
Store below +30°C.
solubility 
alcohol: soluble
pka
pK1:3.32(+4);pK2:6.67(+3);pK3:9.20(+2);pK4:9.92(+1) (20°C)
color 
Yellowish liquid or oil
PH
10-11 (10g/l, H2O, 20℃)
explosive limit
0.7-7.2%(V)
Water Solubility 
SOLUBLE
FreezingPoint 
12℃
Sensitive 
Moisture Sensitive
Merck 
14,9663
BRN 
605448
Stability:
Syable. Incompatible with strong oxidizing agents, strong acids.
CAS DataBase Reference
112-24-3(CAS DataBase Reference)
NIST Chemistry Reference
Triethylenetetramine(112-24-3)
EPA Substance Registry System
Triethylenetetramine (112-24-3)
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Safety

Hazard Codes 
C
Risk Statements 
21-34-43-52/53
Safety Statements 
26-36/37/39-45-61
RIDADR 
UN 2259 8/PG 2
WGK Germany 
2
RTECS 
YE6650000
Autoignition Temperature
335 °C
TSCA 
Yes
HazardClass 
8
PackingGroup 
II
HS Code 
29212900
Hazardous Substances Data
112-24-3(Hazardous Substances Data)
Toxicity
LD50 orally in rats: 2.5 g/kg (Spitz)
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N-Bromosuccinimide Price More Price(13)

Sigma-Aldrich Gold
Product number:
132098
Product name :
Triethylenetetramine
Purity:
technical grade, 60%
Packaging:
1kg
Price:
$64.5
Updated:
2019/12/02
Buy:
Buy
Sigma-Aldrich Gold
Product number:
132098
Product name :
Triethylenetetramine
Purity:
technical grade, 60%
Packaging:
2kg
Price:
$104
Updated:
2019/12/02
Buy:
Buy
TCI Chemical Gold
Product number:
T0429
Product name :
Triethylenetetramine
Purity:
>60.0%(GC)
Packaging:
25mL
Price:
$16
Updated:
2019/12/02
Buy:
Buy
TCI Chemical Gold
Product number:
T0429
Product name :
Triethylenetetramine
Purity:
>60.0%(GC)
Packaging:
500mL
Price:
$28
Updated:
2019/12/02
Buy:
Buy
Alfa Aesar Gold
Product number:
A16128
Product name :
Triethylenetetramine, tech. 60%
Purity:
balance branched and cyclic triethylenetetramines
Packaging:
500ml
Price:
$29.5
Updated:
2019/12/02
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Buy
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Triethylenetetramine Chemical Properties,Usage,Production

Description

Cross sensitivity is possible with diethylenetriamine and diethylenediamine.

Chemical Properties

Triethylenetetramine is a corrosive liquid.

Uses

Triethylenetetramine is used as an amine hardener in epoxy resin of the bisphenol A type.

Uses

Triethylenetetramine is used in synthesis of detergents, softeners, and dyestuffs; manufacture of pharmaceuticals; vulcanization accelerator of rubber; thermo setting resin; epoxy curing agent; lubricating-oil additive; analytical reagent for Cu, Ni; chelating agent; treatment of Wilson's disease.

Uses

Triethylenetetramine is a selective CuII-chelator; crosslinking agent. Triethylenetetramine is undergoing trials for the treatment of heart failure in patients with diabetes.

Production Methods

TETA is manufactured by reacting ethylene dichloride and ammonia under controlled conditions.

brand name

Syprine (Merck).

General Description

A yellowish liquid. Less dense than water. Combustible, though may be difficult to ignite. Corrosive to metals and tissue. Vapors heavier than air. Toxic oxides of nitrogen produced during combustion. Used in detergents and in the synthesis of dyes, pharmaceuticals and other chemicals.

Reactivity Profile

Triethylenetetramine is a strong base; reacts violently with strong oxidants; attacks aluminum, zinc, copper and its alloys. Handling Chemicals Safely 198. p. 934).

Health Hazard

Vapors from hot liquid can irritate eyes and upper respiratory system. Liquid burns eyes and skin. May cause sensitization of skin.

Fire Hazard

Combustible material: may burn but does not ignite readily. When heated, vapors may form explosive mixtures with air: indoors, outdoors and sewers explosion hazards. Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated. Runoff may pollute waterways. Substance may be transported in a molten form.

Contact allergens

Triethylenetetramine is used as an amine hardener in epoxy resins of the bisphenol A type. Cross-sensitivity is possible with diethylenetriamine and diethylenediamine.

Safety Profile

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.

Purification Methods

Dry the amine with sodium, then distil it under a vacuum. Further purification has been via the nitrate or the chloride salts. For example, Jonassen and Strickland [J Am Chem Soc 80 312 1958] separated TRIEN from admixture with TREN (38%) by solution in EtOH, cooling to approximately 5o in an ice-bath and adding conc HCl dropwise from a burette, keeping the temperature below 10o, until all of the white crystalline precipitate of TREN.HCl (see p 191) had formed and was removed. Further addition of HCl then precipitated thick, creamy white TRIEN.HCl (see below) which was crystallised several times from hot water by adding an excess of cold EtOH. The crystals were finally washed with Me2CO, then Et2O and dried in a vacuum desiccator. [Beilstein 4 H 255, 4 II 695, 4 III 542, 4 IV 1242.]

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Triethylenetetramine Suppliers

Global(217)Suppliers
Jinan Century Tongda Chemical Co., Ltd.
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0531-58051019-
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J & K SCIENTIFIC LTD.
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010-82848833- ;010-82848833-
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86-10-82849933
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jkinfo@jkchemical.com;market6@jkchemical.com
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Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel:
21-61259100-
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86-21-61259102
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sh@meryer.com
Country:
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ProdList:
40268
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Alfa Aesar
Tel:
400-610-6006; 021-67582000
Fax:
021-67582001/03/05
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saleschina@alfa-asia.com
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TCI (Shanghai) Development Co., Ltd.
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Energy Chemical
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Beijing Ouhe Technology Co., Ltd
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Shanghai Hanhong Scientific Co.,Ltd.
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+86-21-64545202
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info@hanhonggroup.com;info@hanhonggroup.com
Country:
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