Triethylenetetramine
Triethylenetetramine
CAS: 112-24-3
Molecular Formula: C6H18N4
Triethylenetetramine - Names and Identifiers
| Name | Triethylenetetramine |
| Synonyms | hy951 TETA Trien Tecza DEH 24 Trientine Triethylenetetramine Triethylenetetraamine TRIETHYLENE TETRAMINE 1,4,7,10-Tetraazadecane 1,8-Diamino-3,6-diazaoctane 3,6-Diazaoctane-1,8-diamine N,N'-bis(aminoethyl)ethylenediamine N,N'-bis(2-aminoethyl)ethanediamine N,N'-DI(2-AMINOETHYL)ETHYLENEDIAMINE N,N'-BIS(2-AMINOETHYL)ETHYLENEDIAMINE n,n'-bis(2-aminoethyl)-ethylenediamin n,n'-bis(2-aminoethyl)-2-ethanediamine N,N'-bis(2-aminoethyl)-ethylenediamine N,N'-Bis(2-aminoethyl)-1,2-diaminoethane N,N'-bis(2-aminoethyl)ethane-1,2-diamine Ethylenediamine, N,N'-bis(2-aminoethyl)- N,N'-Bis(2-aminoethyl)-1,2-ethanediamine N,N'-bis-(2-amino-ethyl)-ethane-1,2-diamine |
| CAS | 112-24-3 |
| EINECS | 203-950-6 |
| InChI | InChI:1S/C6H18N4/c7-1-3-9-5-6-10-4-2-8/h9-10H,1-8H2 |
Triethylenetetramine - Physico-chemical Properties
| Molecular Formula | C6H18N4 |
| Molar Mass | 146.23 |
| Density | 0.982g/mLat 25°C(lit.) |
| Melting Point | 12°C(lit.) |
| Boling Point | 266-267°C(lit.) |
| Flash Point | 290°F |
| Water Solubility | SOLUBLE |
| Solubility | alcohol: soluble |
| Vapor Presure | <0.01 mm Hg ( 20 °C) |
| Vapor Density | ~5 (vs air) |
| Appearance | Slightly viscous yellowliquid; commercially available form is 95–98%pure, and impurities include linear, branched,and cyclic isomers. |
| Color | Yellowish liquid or oil |
| Exposure Limit | ACGIH: TWA 1 ppm (Skin)NIOSH: TWA 1 ppm(4 mg/m3) |
| Merck | 14,9663 |
| BRN | 605448 |
| pKa | pK1:3.32(+4);pK2:6.67(+3);pK3:9.20(+2);pK4:9.92(+1) (20°C) |
| PH | 10-11 (10g/l, H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Stability | Syable. Incompatible with strong oxidizing agents, strong acids. |
| Sensitive | Moisture Sensitive |
| Explosive Limit | 0.7-7.2%(V) |
| Refractive Index | n20/D 1.496(lit.) |
| Physical and Chemical Properties | A yellow liquid with strong alkalinity and moderate viscosity, which is less volatile than diethylenetriamine, but similar in nature. Boiling point 266-267 ℃(272 ℃),157 ℃(2.67kPa), freezing point 12 ℃, relative density (20/20 ℃)0.9818, refractive index (nD20)1.4971, flash point 143 ℃, spontaneous ignition point 338. Soluble in water and ethanol, slightly soluble in ether. Flammable. |
| Use | In addition to the solvent, also used in the manufacture of epoxy resin curing agent, rubber additives, emulsifiers, surfactants, lubricating oil additives, fuel oil detergent dispersant, gas purification agent, cyanide-free plating diffusion agent, brightener, detergent, softener, metal chelating agents and synthetic polyamide resins and ion exchange resins. |
Triethylenetetramine - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | 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 Description | 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. |
| UN IDs | UN 2259 8/PG 2 |
| WGK Germany | 2 |
| RTECS | YE6650000 |
| TSCA | Yes |
| HS Code | 29212900 |
| Hazard Class | 8 |
| Packing Group | II |
| Toxicity | LD50 orally in rats: 2.5 g/kg (Spitz) |
Triethylenetetramine - Nature
Open Data Verified Data
A yellow liquid with strong alkalinity and moderate viscosity, which is less volatile than diethylenetriamine, but similar in other properties. Soluble in water and ethanol, slightly soluble in ether. Flammable. The relative density was 0. 9818. Freezing point 12 °c. Boiling point 266~267 deg C. Flash point 143 °c. Spontaneous ignition point 338. Refractive index 4971.
Last Update：2024-01-02 23:10:35
Triethylenetetramine - Preparation Method
Open Data Verified Data
This product is ethylene diamine, diethylenetriamine, tetraethylenepentamine and polyethylene polyamine of the joint products, the production method for the dichloroethane amination. See diethylenetriamine.
Last Update：2022-01-01 10:35:43
Triethylenetetramine - Use
Open Data Verified Data
In addition to the solvent, mainly used for the preparation of epoxy resin curing agent, rubber additives, emulsifiers, surfactants, lubricating oil additives, fuel oil detergent dispersant, gas purification agent, cyanide-free plating diffusing agent, brightener, detergents, softeners, metal chelating agents and synthetic polyamide resins and ion exchange resins.
Last Update：2022-01-01 10:35:43
Triethylenetetramine - Safety
Open Data Verified Data
- This product is a strong alkaline corrosive liquid. Stimulate the skin, mucous membranes, eyes and respiratory tract, can cause skin allergies, bronchial asthma and other symptoms. Long-term exposure can cause leukopenia, decreased blood pressure, bronchiectasis, etc. The lethal dose of each-CH2 NH2 is equivalent to 0.5 mg/kg. Direct contact with the human body should be avoided. When splash on the skin, quickly rinse with water or boric acid solution, then apply Boric Acid Ointment. Found poisoning, should immediately leave the scene, breathing fresh air or sent to the hospital for treatment.
- This product can be packaged and transported with reference to diethylenetriamine.
Last Update：2022-01-01 10:35:44
Triethylenetetramine - Reference Information
| freezing point | 12 ℃ |
| LogP | -2.65 at 20℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Application | used as curing agent for synthetic resin, additive, fabric finishing agent, etc, also used in the manufacture of epoxy resin curing agent, rubber additives, emulsifiers, surfactants, lubricating oil additives, fuel oil detergent dispersant, gas purification agent, cyanide-free plating diffusion agent, brightener, detergent, softener, metal chelating agents and synthetic polyamide resins and ion exchange resins. synthetic resins are used industrially as curing agents for epoxy resins and in the manufacture of polyamide resins and ion exchange resins. The rubber industry is used in the manufacture of rubber accelerators. The electroplating industry is used to produce cyanide-free plating diffusers and brighteners. The oil refining industry is used as a dispersant for oil purification. The grease industry is used in the manufacture of lubricating oil additives. complexing agents, cleaning agents, softeners, dye synthesis, rubber accelerators, gas dehydration scavengers. used as complexing agent, basic gas dehydrating agent, dye intermediate, solvent for resin and rubber accelerator |
| production method | the production method is dichloroethane amination. 1, 2-dichloroethane and aqueous ammonia were fed to a tubular reactor for hot-pressing amination at a temperature of 150 ° C. To 250 ° C. And a pressure of 392.3kPa. The reaction solution was neutralized with alkali to obtain a mixed free amine, which was concentrated while removing sodium chloride. Then, the crude product was distilled under reduced pressure to cut off a fraction between 195 and 215 ° C. To obtain a finished product. This method can simultaneously produce ethylenediamine, diethylenetriamine, tetraethylenepentamine and polyethylenepolyamine, which can be obtained by controlling the temperature of the distillation column to distill the amine mixture and cutting off different fractions for separation. |
| spontaneous combustion temperature | 335°C |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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