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Triethanolamine

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Name

Triethanolamine

EINECS 203-049-8
CAS No. 102-71-6 Density 1.171 g/cm3
Solubility H2O: 1 M, clear, colorless Melting Point 21 °C
Formula C6H15NO3 Boiling Point 335.4 °C at 760 mmHg
Molecular Weight 149.22 Flash Point 185 °C
Transport Information Appearance Clear, amber viscous liquid
Safety 26-39-36 Risk Codes 36/37/38-36
Molecular Structure Molecular Structure of 102-71-6 (Ethanol,2,2',2''-nitrilotris-) Hazard Symbols IrritantXi
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;

 

Triethanolamine 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%.

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,

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