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| CAS No.: | 102-71-6 |
|---|---|
| Name: | Triethanolamine |
| Article Data: | 70 |
| Molecular Structure: | |
|
|
|
| Formula: | C6H15NO3 |
| Molecular Weight: | 149.19 |
| Synonyms: | Ethanol,2,2',2''-nitrilotri- (8CI);2,2',2''-Nitrilotriethanol;2,2',2''-Nitrilotris[ethanol];2-[Bis(2-hydroxyethyl)amino]ethanol;Alkanolamine244;Biafine;Daltogen;NSC 36718;Nitrilotriethanol;S 80;S 80 (amine);Sterolamide;Sting-Kill;TEA (amino alcohol);TEOA;Triethanolamin;Tris(2-hydroxyethyl)amine;Tris(b-hydroxyethyl)amine;Tris-amino Ultra PC;Trolamine;tris-(2-Hydroxyethyl)amine; |
| EINECS: | 203-049-8 |
| Density: | 1.171 g/cm3 |
| Melting Point: | 21 °C |
| Boiling Point: | 335.4 °C at 760 mmHg |
| Flash Point: | 185 °C |
| Solubility: | H2O: 1 M, clear, colorless |
| Appearance: | Clear, amber viscous liquid |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38-36 |
| Safety: | 26-39-36 |
| PSA: | 63.93000 |
| LogP: | -1.73470 |
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| Conditions | Yield |
|---|---|
| With ammonia; ZSM-5 type zeolite ion exchange with lanthanum at 45℃; under 75007.5 Torr; Industry scale; Adiabatic conditions; | A 91.1% B 7.6% |
| With ammonia In water Continous process; | A 85.3% B 9.3% |
| With ammonia; ZSM-5 type zeolite ion exchange with lanthanum at 45℃; under 75007.5 Torr; Adiabatic conditions; Industry scale; | A 76.6% B 9.9% |
| In water Industry scale; | |
| With ammonia; La/zeolites(ZSM-5) at 45℃; under 75007.5 Torr; |
- 75-21-8
oxirane
- 7664-41-7
ammonia
A
- 102-71-6
triethanolamine
B
- 141-43-5
ethanolamine
C
- 111-42-2
2,2'-iminobis[ethanol]
| Conditions | Yield |
|---|---|
| water at 48.84 - 76.84℃; under 12751.3 Torr; for 0.25h; | A 7.7% B 52.1% C 40.2% |
| Conditions | Yield |
|---|---|
| With ammonia; water at 100℃; under 51485.6 - 73550.8 Torr; | |
| With ammonia |
| Conditions | Yield |
|---|---|
| With ammonia; water; ethanolamine at 15℃; | |
| With ammonia In water | |
| With ammonia; water; ethanolamine at 15℃; |
| Conditions | Yield |
|---|---|
| With water | |
| With sodium hydrogencarbonate |
| Conditions | Yield |
|---|---|
| With water; zinc beim Erhitzen mit konz.Salzsaeure im Rohr auf 100grad; | |
| With trimethylacetic formic anhydride In chloroform 1.) 0 deg C, 10 min, 2.) 0 deg C to r.t., 30 min; Yield given; |
| Conditions | Yield |
|---|---|
| With sodium hydroxide | |
| With water; zinc beim Erhitzen mit Natronlauge; |
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Specification
The Triethanolamine is an organic compound with the formula C6H15NO3. The IUPAC name of this chemical is 2-[bis(2-hydroxyethyl)amino]ethanol. With the CAS registry number 102-71-6, it is also named as 2,2',2''-Nitrilotriéthanol. The product's category is Organics. Besides, it is clear, amber viscous liquid, which should be stored in a cool and well-ventilated place.
The Triethanolamine is used primarily as an emulsifier and surfactant. It also serves as a PH balancer in many different cosmetic products - ranging from cleansing creams and milks, skin lotions, eye gels, moisturizers, shampoos, shaving foams etc. TEA is a fairly strong base: a 1% solution has a PH of approximately 10, whereas the PH of skin is below PH 7. Cleansing milk/cream emulsions based on TEA are particularly good at removing make up.
Physical properties about Triethanolamine are: (1)ACD/BCF (pH 5.5): 1; (2)ACD/BCF (pH 7.4): 1; (3)ACD/KOC (pH 5.5): 1; (4)ACD/KOC (pH 7.4): 1.57; (5)#H bond acceptors: 4; (6)#H bond donors: 3; (7)#Freely Rotating Bonds: 9; (8)Polar Surface Area: 63.93 Å2; (9)Index of Refraction: 1.511; (10)Molar Refractivity: 38.17 cm3; (11)Molar Volume: 127.3 cm3; (12)Polarizability: 15.13×10-24cm3; (13)Surface Tension: 54.9 dyne/cm; (14) Density: 1.171 g/cm3; (15)Flash Point: 185 °C; (16)Enthalpy of Vaporization: 67.02 kJ/mol; (17)Boiling Point: 335.4 °C at 760 mmHg; (18)Vapour Pressure: 8.38E-06 mmHg at 25°C.
Preparation: this chemical is produced from the reaction of ethylene oxide with aqueous ammonia, also produced are ethanolamine and diethanolamine. The ratio of the products can be controlled by changing the stoichiometry of the reactants.
Uses of Triethanolamine: it can be used to produce 6,7-dimethyl-indole at temperature of 180 °C. It will need reagent SnCl2*2H2O and solvent dioxane with reaction time of 20 hours. The yield is about 99%.
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When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to eyes, respiratory system and skin. When you are using it, wear suitable protective clothing and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
(1)SMILES: OCCN(CCO)CCO
(2)InChI: InChI=1/C6H15NO3/c8-4-1-7(2-5-9)3-6-10/h8-10H,1-6H2
(3)InChIKey: GSEJCLTVZPLZKY-UHFFFAOYAL
(4)Std. InChI: InChI=1S/C6H15NO3/c8-4-1-7(2-5-9)3-6-10/h8-10H,1-6H2
(5)Std. InChIKey: GSEJCLTVZPLZKY-UHFFFAOYSA-N
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| guinea pig | LD50 | oral | 2200mg/kg (2200mg/kg) | "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 114, 1982. | |
| mammal (species unspecified) | LDLo | oral | 2gm/kg (2000mg/kg) | National Technical Information Service. Vol. OTS0520710, | |
| mouse | LD50 | intraperitoneal | 1450mg/kg (1450mg/kg) | Russian Chemical Reviws Vol. 38, Pg. 975, 1969. | |
| mouse | LD50 | oral | 5846mg/kg (5846mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" KIDNEY, URETER, AND BLADDER: OTHER CHANGES | Science Reports of the Research Institutes, Tohoku University, Series C: Medicine. Vol. 36(1-4), Pg. 10, 1989. |
| rabbit | LD50 | oral | 2200mg/kg (2200mg/kg) | "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 114, 1982. | |
| rabbit | LD50 | skin | > 20mL/kg (20mL/kg) | Union Carbide Data Sheet. Vol. 3/18/1965, | |
| rat | LD50 | intraperitoneal | 1510mg/kg (1510mg/kg) | National Technical Information Service. Vol. OTS0516797, | |
| rat | LD50 | oral | 4920uL/kg (4.92mL/kg) | SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" SKIN AND APPENDAGES (SKIN): HAIR: OTHER | National Technical Information Service. Vol. OTS0516797, |
| rat | LD50 | skin | > 16mL/kg (16mL/kg) | National Technical Information Service. Vol. OTS0516797, |