Product Name

  • Name

    Triisopropanolamine

  • EINECS 204-528-4
  • CAS No. 122-20-3
  • Article Data10
  • CAS DataBase
  • Density 1.0 g/cm3
  • Solubility Soluble in water, ethanol, ethyl ether
  • Melting Point 48-52 °C(lit.)
  • Formula C9H21NO3
  • Boiling Point 296.4 °C at 760 mmHg
  • Molecular Weight 191.271
  • Flash Point 167 °C
  • Transport Information UN 3259 8/PG 2
  • Appearance white to slightly yellow powder
  • Safety 26-61
  • Risk Codes 36-52/53
  • Molecular Structure Molecular Structure of 122-20-3 (Triisopropanolamine)
  • Hazard Symbols IrritantXi
  • Synonyms 2-Propanol,1,1',1''-nitrilotri- (6CI,8CI);1,1',1''-Nitrilotri-2-propanol;1,1',1''-Nitrilotris(2-propanol);CBA (aminoalcohol);NSC 4010;TIPA;Tri-2-propanolamine;Tri-iso-propanolamine;Tris(2-hydroxy-1-propyl)amine;Tris(2-hydroxypropyl)amine;Tris(2-propanol)amine;Triisopropanolamine;
  • PSA 63.93000
  • LogP -0.56920

Synthetic route

methyloxirane
75-56-9, 16033-71-9

methyloxirane

triisopropanolamine
122-20-3

triisopropanolamine

Conditions
ConditionsYield
With ammonia; water at 100℃; under 44130.5 - 58840.6 Torr;
With ammonia; water
With ammonia at 125℃;
With ammonia; water
1,3,7,10-tetramethyl-2,8,9-trioxa-5-aza-1-sila-bicyclo[3.3.3]undecane
64235-17-2, 64235-28-5, 71229-51-1

1,3,7,10-tetramethyl-2,8,9-trioxa-5-aza-1-sila-bicyclo[3.3.3]undecane

A

triisopropanolamine
122-20-3

triisopropanolamine

B

methylsilanetriol
2445-53-6

methylsilanetriol

Conditions
ConditionsYield
With disodium hydrogenphosphate; potassium dihydrogenphosphate at 50℃; Rate constant; Mechanism; hydrolysis in neutral medium;
1-amino-2-propanol hydrochloride
7780-04-3

1-amino-2-propanol hydrochloride

triisopropanolamine
122-20-3

triisopropanolamine

Conditions
ConditionsYield
With sodium methylate In methanol
methyloxirane
75-56-9, 16033-71-9

methyloxirane

triisopropanolamine
122-20-3

triisopropanolamine

Conditions
ConditionsYield
With ammonia; water at 100℃; under 44130.5 - 58840.6 Torr;
With ammonia; water
With ammonia at 125℃;
With ammonia; water
1,3,7,10-tetramethyl-2,8,9-trioxa-5-aza-1-sila-bicyclo[3.3.3]undecane
64235-17-2, 64235-28-5, 71229-51-1

1,3,7,10-tetramethyl-2,8,9-trioxa-5-aza-1-sila-bicyclo[3.3.3]undecane

A

triisopropanolamine
122-20-3

triisopropanolamine

B

methylsilanetriol
2445-53-6

methylsilanetriol

Conditions
ConditionsYield
With disodium hydrogenphosphate; potassium dihydrogenphosphate at 50℃; Rate constant; Mechanism; hydrolysis in neutral medium;
1-amino-2-propanol hydrochloride
7780-04-3

1-amino-2-propanol hydrochloride

triisopropanolamine
122-20-3

triisopropanolamine

Conditions
ConditionsYield
With sodium methylate In methanol
methyloxirane
75-56-9, 16033-71-9

methyloxirane

A

triisopropanolamine
122-20-3

triisopropanolamine

B

3-amino-2-propanol
78-96-6, 1674-56-2

3-amino-2-propanol

C

diisopropanolamine
110-97-4

diisopropanolamine

Conditions
ConditionsYield
With ammonia at 60℃; Temperature; Reagent/catalyst;
triisopropanolamine
122-20-3

triisopropanolamine

Methyltrichlorosilane
75-79-6

Methyltrichlorosilane

1,3,7,10-Tetramethyl-2,8,9-trioxa-5-aza-1-sila-bicyclo[3.3.3]undecane; hydrochloride

1,3,7,10-Tetramethyl-2,8,9-trioxa-5-aza-1-sila-bicyclo[3.3.3]undecane; hydrochloride

Conditions
ConditionsYield
In dichloromethane100%
triisopropanolamine
122-20-3

triisopropanolamine

(3-chloropropyl)triethoxysilane
5089-70-3

(3-chloropropyl)triethoxysilane

1-(3-chloropropyl)-3,7,10-trimethyl-2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undecane

1-(3-chloropropyl)-3,7,10-trimethyl-2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undecane

Conditions
ConditionsYield
With potassium hydroxide at 90℃; under 100 - 350 Torr; for 4h;98.2%
triisopropanolamine
122-20-3

triisopropanolamine

triethoxy-(3,3,3-trifluoro-propyl)-silane
681-97-0

triethoxy-(3,3,3-trifluoro-propyl)-silane

3,7,10-trimethyl-1-(3,3,3-trifluoro-propyl)-2,8,9-trioxa-5-aza-1-sila-bicyclo[3.3.3]undecane
63453-67-8

3,7,10-trimethyl-1-(3,3,3-trifluoro-propyl)-2,8,9-trioxa-5-aza-1-sila-bicyclo[3.3.3]undecane

Conditions
ConditionsYield
With sodium ethanolate In ethanol Heating;98%
triisopropanolamine
122-20-3

triisopropanolamine

(chloromethyl)trichlorosilane
1558-25-4

(chloromethyl)trichlorosilane

1-chloromethyl-3,7,10-trimethyl-2,8,9-trioxa-5-aza-1-sila-bicyclo[3.3.3]undecane
57078-94-1, 64235-15-0, 64235-26-3

1-chloromethyl-3,7,10-trimethyl-2,8,9-trioxa-5-aza-1-sila-bicyclo[3.3.3]undecane

Conditions
ConditionsYield
In chloroform97%
triisopropanolamine
122-20-3

triisopropanolamine

dichloro-acetic acid
79-43-6

dichloro-acetic acid

triisopropanolamine dichloroacetate

triisopropanolamine dichloroacetate

Conditions
ConditionsYield
at 20℃; for 12h; Cooling with ice;96%
In methanol at 20℃; for 24h;90%
triisopropanolamine
122-20-3

triisopropanolamine

octane-1-sulfonyl chloride
7795-95-1

octane-1-sulfonyl chloride

octanesulfonyl fluoride
40630-63-5

octanesulfonyl fluoride

Conditions
ConditionsYield
With potassium fluoride In water95%
triisopropanolamine
122-20-3

triisopropanolamine

2-Isocyanatoethyl methacrylate
30674-80-7

2-Isocyanatoethyl methacrylate

(8-(2-(((2-(methacryloyloxy)ethyl)carbamoyl)oxy)propyl)-6,10-dimethyl-4,12-dioxo-5,11-dioxa-3,8,13-triazapentadecane-1,15-diyl bis(2-methylacrylate))

(8-(2-(((2-(methacryloyloxy)ethyl)carbamoyl)oxy)propyl)-6,10-dimethyl-4,12-dioxo-5,11-dioxa-3,8,13-triazapentadecane-1,15-diyl bis(2-methylacrylate))

Conditions
ConditionsYield
With dibutyltin dilaurate In ethyl acetate at 20 - 25℃; for 24h;95%
triisopropanolamine
122-20-3

triisopropanolamine

1,2-bis(triethoxysilyl)ethane
16068-37-4

1,2-bis(triethoxysilyl)ethane

1,2-bis(3,7,10-trimethyl-2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undecan-1-yl)ethane

1,2-bis(3,7,10-trimethyl-2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undecan-1-yl)ethane

Conditions
ConditionsYield
With potassium hydroxide In toluene at 100℃; under 100 - 760 Torr; for 4h;94%
With potassium hydroxide at 220℃;38%
triisopropanolamine
122-20-3

triisopropanolamine

isobutyltriethoxysilane
17980-47-1

isobutyltriethoxysilane

1-isobutyl-3,7,10-trimethyl-2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undecane

1-isobutyl-3,7,10-trimethyl-2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undecane

Conditions
ConditionsYield
With potassium hydroxide at 100℃; under 100 - 400 Torr; for 4h;93.7%
triisopropanolamine
122-20-3

triisopropanolamine

ethyltrichlorosilane
115-21-9

ethyltrichlorosilane

1-Ethyl-3,7,10-trimethyl-2,8,9-trioxa-5-aza-1-sila-bicyclo[3.3.3]undecane

1-Ethyl-3,7,10-trimethyl-2,8,9-trioxa-5-aza-1-sila-bicyclo[3.3.3]undecane

Conditions
ConditionsYield
In chloroform93%
triisopropanolamine
122-20-3

triisopropanolamine

allyltriacetoxysilane
5929-71-5

allyltriacetoxysilane

1-allyl-3,7,10-trimethylsilatrane
93556-58-2

1-allyl-3,7,10-trimethylsilatrane

Conditions
ConditionsYield
In chloroform at 0℃; for 1h;92%
triisopropanolamine
122-20-3

triisopropanolamine

(3-trimethoxysilylpropyl)diethylenetriamine
35141-30-1

(3-trimethoxysilylpropyl)diethylenetriamine

N-(2-amino-ethyl)-N'-[3-(3,7,10-trimethyl-2,8,9-trioxa-5-aza-1-sila-bicyclo[3.3.3]undec-1-yl)-propyl]-ethane-1,2-diamine

N-(2-amino-ethyl)-N'-[3-(3,7,10-trimethyl-2,8,9-trioxa-5-aza-1-sila-bicyclo[3.3.3]undec-1-yl)-propyl]-ethane-1,2-diamine

Conditions
ConditionsYield
potassium hydroxide; sodium methylate In benzene Heating;92%
triisopropanolamine
122-20-3

triisopropanolamine

C7H15NO3

C7H15NO3

Conditions
ConditionsYield
With manganese(IV) oxide; oxygen In chlorobenzene at 100℃; under 4500.45 Torr; for 4h; Autoclave; Green chemistry;92%
triisopropanolamine
122-20-3

triisopropanolamine

copper(II) succinate
203456-00-2

copper(II) succinate

[CuII(tris(2-hydroxypropyl)amine)(succinato)]

[CuII(tris(2-hydroxypropyl)amine)(succinato)]

Conditions
ConditionsYield
In water for 3h; Reflux;92%
triisopropanolamine
122-20-3

triisopropanolamine

nickel(II)cinnamate

nickel(II)cinnamate

[NiII(tris(2-hydroxypropyl)amine)2](cinnamate)2

[NiII(tris(2-hydroxypropyl)amine)2](cinnamate)2

Conditions
ConditionsYield
In methanol for 3h; Reflux;91%
triisopropanolamine
122-20-3

triisopropanolamine

N,N,N-tris(2-hydroxypropyl)amine hydrochloride
58901-12-5

N,N,N-tris(2-hydroxypropyl)amine hydrochloride

Conditions
ConditionsYield
With hydrogenchloride In ethanol at 85 - 90℃; for 4h; Temperature; Inert atmosphere;90.6%
With hydrogenchloride In water at 40℃; pH=2;
triisopropanolamine
122-20-3

triisopropanolamine

1-[3-(trimethoxysilyl)]propylurea
23843-64-3

1-[3-(trimethoxysilyl)]propylurea

N-[3-(3,7,10-trimethylsilatranyl)propyl]urea

N-[3-(3,7,10-trimethylsilatranyl)propyl]urea

Conditions
ConditionsYield
With potassium hydroxide In toluene for 3h; Heating;90%
triisopropanolamine
122-20-3

triisopropanolamine

zinc(II) cinnamate

zinc(II) cinnamate

[Zn(tris(2-hydroxypropyl)amine)2](cinnamate)2

[Zn(tris(2-hydroxypropyl)amine)2](cinnamate)2

Conditions
ConditionsYield
In methanol for 3h; Reflux;90%
triisopropanolamine
122-20-3

triisopropanolamine

salicylic acid
69-72-7

salicylic acid

tris(2-hydroxypropyl)ammonium salicylate

tris(2-hydroxypropyl)ammonium salicylate

Conditions
ConditionsYield
In methanol for 2h; Reflux;90%
triisopropanolamine
122-20-3

triisopropanolamine

2-((3-(triethoxysilyl)propyl)thio)benzo[d]thiazole
105923-28-2

2-((3-(triethoxysilyl)propyl)thio)benzo[d]thiazole

S-[3-(3,7,10-trimethylsilatranyl)propyl]mercaptobenzothiazole

S-[3-(3,7,10-trimethylsilatranyl)propyl]mercaptobenzothiazole

Conditions
ConditionsYield
With potassium hydroxide In toluene Inert atmosphere; Schlenk technique; Dean-Stark; Reflux;89%
triisopropanolamine
122-20-3

triisopropanolamine

tetraethoxy orthosilicate
78-10-4

tetraethoxy orthosilicate

1-ethoxy-3,7,10-trimethyl-2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undecane
18051-99-5

1-ethoxy-3,7,10-trimethyl-2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undecane

Conditions
ConditionsYield
With potassium hydroxide at 85 - 120℃; under 100 - 200 Torr; for 3h;88.2%
triisopropanolamine
122-20-3

triisopropanolamine

trimethoxy[2-(7-oxabicyclo[4.1.0]-hept-3-yl)ethyl]silane
3388-04-3

trimethoxy[2-(7-oxabicyclo[4.1.0]-hept-3-yl)ethyl]silane

2-[(3,4-epoxycyclohexyl)ethyl]-3,7,10-trimethylsilatrane

2-[(3,4-epoxycyclohexyl)ethyl]-3,7,10-trimethylsilatrane

Conditions
ConditionsYield
With potassium hydroxide In toluene for 3h; Heating;88%
triisopropanolamine
122-20-3

triisopropanolamine

N-(3-(trimethoxysilyl)propyl)isonicotinamide

N-(3-(trimethoxysilyl)propyl)isonicotinamide

N-(3-(3,7,10-trimethyl-2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undecan-1-yl)propyl)isonicotinamide

N-(3-(3,7,10-trimethyl-2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undecan-1-yl)propyl)isonicotinamide

Conditions
ConditionsYield
With potassium hydroxide In toluene at 110 - 115℃; for 5h;88%
triisopropanolamine
122-20-3

triisopropanolamine

Triethoxyvinylsilane
78-08-0

Triethoxyvinylsilane

1-vinyl-3,7,10-trimethylsilatrane

1-vinyl-3,7,10-trimethylsilatrane

Conditions
ConditionsYield
With sodium hydroxide at 30 - 60℃; for 4h;87%
triisopropanolamine
122-20-3

triisopropanolamine

nicotinic acid
59-67-6

nicotinic acid

tris(2-hydroxypropyl)ammonium nicotinate

tris(2-hydroxypropyl)ammonium nicotinate

Conditions
ConditionsYield
In methanol for 2h; Reflux;87%
triisopropanolamine
122-20-3

triisopropanolamine

cobalt(II) chloride
7646-79-9

cobalt(II) chloride

[CoII2(tris(2-hydroxypropyl)amine)2Cl2]Cl2

[CoII2(tris(2-hydroxypropyl)amine)2Cl2]Cl2

Conditions
ConditionsYield
In ethanol; water for 3h; Reflux;86%
triisopropanolamine
122-20-3

triisopropanolamine

allyltrimethoxysilane
2551-83-9

allyltrimethoxysilane

1-allyl-3,7,10-trimethylsilatrane

1-allyl-3,7,10-trimethylsilatrane

Conditions
ConditionsYield
With sodium methylate85%
triisopropanolamine
122-20-3

triisopropanolamine

3-glycidoxypropyltrimethoxysilane
2530-83-8

3-glycidoxypropyltrimethoxysilane

3,7,10-trimethyl-1-(3-(oxiran-2-ylmethoxy)propyl)-2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undecane
1026852-18-5

3,7,10-trimethyl-1-(3-(oxiran-2-ylmethoxy)propyl)-2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undecane

Conditions
ConditionsYield
With titanium(IV) isopropylate In methanol; toluene for 18h; Heating;85%
triisopropanolamine
122-20-3

triisopropanolamine

tris-[3-(trimethoxysilyl)propyl]isocyanurate
26115-70-8

tris-[3-(trimethoxysilyl)propyl]isocyanurate

tris[3-(3,7,10-trimethylsilatranyl)propyl]isocyanurate

tris[3-(3,7,10-trimethylsilatranyl)propyl]isocyanurate

Conditions
ConditionsYield
With potassium hydroxide In benzene for 2h; Heating;85%
triisopropanolamine
122-20-3

triisopropanolamine

succinic acid
110-15-6

succinic acid

2C9H21NO3*C4H6O4

2C9H21NO3*C4H6O4

Conditions
ConditionsYield
In methanol for 2h; Reflux;85%

Triisopropanolamine Specification

The Triisopropanolamine, with the CAS registry number 122-20-3, is also known as Tris(2-hydroxy-1-propyl)amine. It belongs to the product categories of Intermediates of Dyes and Pigments; Organics. Its EINECS number is 204-528-4. This chemical's molecular formula is C9H21NO3 and molecular weight is 191.27. What's more, its systematic name is 1,1',1''-nitrilotripropan-2-ol. Its classification code is Skin / Eye Irritant. It is used as a pharmaceutical raw materials and a photographic developer solvent. It is also used as a cosmetics emulsifier. It can be prepared by epoxy propane and ammonia.

Physical properties of Triisopropanolamine are: (1)ACD/LogP: -0.07; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -2.46; (4)ACD/LogD (pH 7.4): -0.75; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 4.55; (9)#H bond acceptors: 4; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 9; (12)Polar Surface Area: 30.93 Å2; (13)Index of Refraction: 1.495; (14)Molar Refractivity: 51.94 cm3; (15)Molar Volume: 177.9 cm3; (16)Polarizability: 20.59×10-24cm3; (17)Surface Tension: 43.9 dyne/cm; (18)Density: 1.074 g/cm3; (19)Flash Point: 167 °C; (20)Enthalpy of Vaporization: 62.2 kJ/mol; (21)Boiling Point: 296.4 °C at 760 mmHg; (22)Vapour Pressure: 0.000148 mmHg at 25°C.

Uses of Triisopropanolamine: it can be used to produce 1-allyl-3,7,10-trimethylsilatrane at the temperature of 80 - 85 °C. It will need reagent NaOH with the reaction time of 12 hours. The yield is about 63%.

2-Propanol,1,1',1''-nitrilotris- can be used to produce 1-allyl-3,7,10-trimethylsilatrane at the temperature of 80 - 85 °C

When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes. It is harmful to aquatic organisms as it may cause long-term adverse effects in the aquatic environment. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. You must avoid releasing it to the environment just refering to special instructions/safety data sheet.

You can still convert the following datas into molecular structure:
(1)SMILES: OC(CN(CC(O)C)CC(O)C)C
(2)Std. InChI: InChI=1S/C9H21NO3/c1-7(11)4-10(5-8(2)12)6-9(3)13/h7-9,11-13H,4-6H2,1-3H3
(3)Std. InChIKey: SLINHMUFWFWBMU-UHFFFAOYSA-N

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 oral 1580mg/kg (1580mg/kg) KIDNEY, URETER, AND BLADDER: OTHER CHANGES 

GASTROINTESTINAL: OTHER CHANGES

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)
Journal of Industrial Hygiene and Toxicology. Vol. 23, Pg. 259, 1941.
mammal (species unspecified) LD50 skin > 1gm/kg (1000mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 30(7), Pg. 46, 1986.
mouse LD50 oral 2520mg/kg (2520mg/kg) BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY) Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 45(3), Pg. 79, 1980.
rabbit LD50 oral 11gm/kg (11000mg/kg) BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY) Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 45(3), Pg. 79, 1980.
rabbit LDLo skin 10mL/kg (10mL/kg)   Union Carbide Data Sheet. Vol. 4/21/1967,
rat LD50 oral 4730mg/kg (4730mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 30(7), Pg. 46, 1986.
rat LD50 oral 4730mg/kg (4730mg/kg) GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)
Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 30(7), Pg. 46, 1986.

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