Tetraethyl 1,4,8,11-Tetraazacyclotetradecane-1,4,8,11-tetraacetate
1,4,8,11-Tetrakis(ethoxycarbonylmethyl)-1,4,8,11-tetraazacyclotetradecane
CAS: 126320-57-8
Molecular Formula: C26H48N4O8
Tetraethyl 1,4,8,11-Tetraazacyclotetradecane-1,4,8,11-tetraacetate - Names and Identifiers
| Name | 1,4,8,11-Tetrakis(ethoxycarbonylmethyl)-1,4,8,11-tetraazacyclotetradecane |
| Synonyms | TETAEt Tetraethyl 1,4,8,11-Tetraazacyclotetradecane-1,4,8,11-tetraacetate 1,4,8,11-Tetrakis(ethoxycarbonylmethyl)-1,4,8,11-tetraazacyclotetradecane 1,4,8,11-Tetraazacyclotetradecane-1,4,8,11-tetraacetic Acid Tetraethyl Ester 1,4,8,11-Tetraazacyclotetradecane-N,N',N',N''-tetraacetic acid, tetraethyl ester 1,4,8,11-Tetraazacyclotetradecane-N,N',N'',N'''-tetraacetic acid, tetraethyl ester ethyl 2-[4,8,11-tris(2-ethoxy-2-oxo-ethyl)-1,4,8,11-tetrazacyclotetradec-1-yl]acetate tetraethyl 2,2',2'',2'''-(1,4,8,11-tetraazacyclotetradecane-1,4,8,11-tetrayl)tetraacetate |
| CAS | 126320-57-8 |
| InChI | InChI=1/C26H48N4O8/c1-5-35-23(31)19-27-11-9-12-29(21-25(33)37-7-3)17-18-30(22-26(34)38-8-4)14-10-13-28(16-15-27)20-24(32)36-6-2/h5-22H2,1-4H3 |
Tetraethyl 1,4,8,11-Tetraazacyclotetradecane-1,4,8,11-tetraacetate - Physico-chemical Properties
| Molecular Formula | C26H48N4O8 |
| Molar Mass | 544.68 |
| Density | 1.07g/cm3 |
| Melting Point | 87-89°C |
| Boling Point | 593.9°C at 760 mmHg |
| Flash Point | 313°C |
| Vapor Presure | 4.47E-14mmHg at 25°C |
| Appearance | Powder |
| Color | white to yellow |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Sensitive | Hygroscopic |
| Refractive Index | 1.469 |
| MDL | MFCD09263316 |
| Physical and Chemical Properties | Sensitivity: hygropic |
Tetraethyl 1,4,8,11-Tetraazacyclotetradecane-1,4,8,11-tetraacetate - Introduction
1,4,8,11-Tetrakis (ethoxycarbonylmethyl)-1,4,8,11-tetraazacyclotetradecane is a compound commonly referred to simply as TEMDA. The following is a description of the nature, use, formulation and safety information of TEMDA:
Nature:
TEMDA is a colorless to pale yellow liquid with a weak fishy odor. It is soluble in most organic solvents and insoluble in water. The molecular formula of TEMDA is C18H32N4O4 and the molecular weight is 368.47g/mol.
Use:
TEMDA is mainly used as an organic catalyst and a polymerization catalyst. It is widely used in many organic reactions, such as amination reaction, oxidation reaction, etherification reaction, esterification reaction and alcoholization reaction. TEMDA can also be used to synthesize high molecular polymers.
Method:
The preparation of TEMDA can be obtained by the reaction of bis (ethoxycarbonylmethyl) azomethane and urea. The specific preparation method may be reacting bis (ethoxycarbonylmethyl) azomethane and urea in N,N-dimethylformamide under N2 atmosphere, and after stirring and heating for a certain period of time, TEMDA is prepared.
Safety Information:
TEMDA has low toxicity, but it is still necessary to pay attention to safe operation. When exposed to TEMDA, skin contact and inhalation should be avoided. During use, it is recommended to wear protective gloves, safety glasses and protective mask. If inhaled or exposed, immediately go to a well-ventilated place and wash the exposed area. In the handling of TEMDA, should comply with the safety procedures, avoid contact with combustibles, and properly stored.
Nature:
TEMDA is a colorless to pale yellow liquid with a weak fishy odor. It is soluble in most organic solvents and insoluble in water. The molecular formula of TEMDA is C18H32N4O4 and the molecular weight is 368.47g/mol.
Use:
TEMDA is mainly used as an organic catalyst and a polymerization catalyst. It is widely used in many organic reactions, such as amination reaction, oxidation reaction, etherification reaction, esterification reaction and alcoholization reaction. TEMDA can also be used to synthesize high molecular polymers.
Method:
The preparation of TEMDA can be obtained by the reaction of bis (ethoxycarbonylmethyl) azomethane and urea. The specific preparation method may be reacting bis (ethoxycarbonylmethyl) azomethane and urea in N,N-dimethylformamide under N2 atmosphere, and after stirring and heating for a certain period of time, TEMDA is prepared.
Safety Information:
TEMDA has low toxicity, but it is still necessary to pay attention to safe operation. When exposed to TEMDA, skin contact and inhalation should be avoided. During use, it is recommended to wear protective gloves, safety glasses and protective mask. If inhaled or exposed, immediately go to a well-ventilated place and wash the exposed area. In the handling of TEMDA, should comply with the safety procedures, avoid contact with combustibles, and properly stored.
Last Update：2024-04-10 22:29:15
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