• Name

  TRIETHANOLAMINE BORATE

• EINECS 206-003-5
• CAS No. 283-56-7
• Article Data18
• CAS DataBase
• Density 1.13 g/cm³
• Solubility
• Melting Point 235-237 °C(lit.)
• Formula C₆H₁₂BNO₃
• Boiling Point 149.6 °C at 760 mmHg
• Molecular Weight 156.977
• Flash Point 44.3 °C
• Transport Information
• Appearance White
• Safety 26-36/37
• Risk Codes 36/37/38
• Molecular Structure
• Hazard Symbols Xi
• Synonyms Ethanol,2,2',2''-nitrilotri-, borate (6CI);Ethanol, 2,2',2''-nitrilotri-, cyclicborate (7CI);Ethanol, 2,2',2''-nitrilotri-, cyclic ester with boric acid(H3BO3) (1:1) (8CI);Atracor T;Boratran;Boratrane;Boron,[[2,2',2''-nitrilotris[ethanolato]](3-)]-;Ethanol, 2,2',2''-nitrilotris-,cyclic ester with boric acid (H3BO3) (1:1);NSC 5220;Triethanolamine borate;
• PSA 30.93000
• LogP -0.71180

Synthetic route

102-71-6

triethanolamine

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

Conditions

Conditions	Yield
With boric acid In 5,5-dimethyl-1,3-cyclohexadiene Reflux; Inert atmosphere;	89%
With boric acid
With boric acid; toluene

121-43-7

Trimethyl borate

102-71-6

triethanolamine

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

Conditions

Conditions	Yield
In toluene for 1h; Reflux; Inert atmosphere; Large scale;	87.7%

150-46-9

triethyl borate

102-71-6

triethanolamine

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

Conditions

Conditions	Yield
In toluene for 1h; Reflux;	85.9%

102-71-6

triethanolamine

5419-55-6

Triisopropyl borate

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

Conditions

Conditions	Yield
In toluene for 1h; Reflux;	82.9%

102-71-6

triethanolamine

11113-50-1

boric acid

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

Conditions

Conditions	Yield
In water at 120℃;	70%
In benzene azeotropic distn. (reflux); crystn., elem. anal.;
In toluene azeotropic distn. (reflux); crystn., elem. anal.;
In xylene byproducts: H2O; refluxing with sepn. of H2O; hot filtration, crystn., recrystn. (acetone);
In water at 120℃;

102-71-6

triethanolamine

7732-18-5

water

13460-50-9

metaboric acid

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

Conditions

Conditions	Yield
at 10 - 30℃; Equilibrium constant;

...Expand

780-69-8

triethoxyphenylsilane

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

2097-19-0

1-phenyl-2,8,9-trioxa-5-aza-1-silabicyclo{3.3.3}undecane

Conditions

Conditions	Yield
With sodium ethanolate In N,N-dimethyl-formamide at 80℃; for 2h;	95%

6482-24-2

2-Bromoethyl methyl ether

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

70384-51-9

Tris(3,6-dioxaheptyl)amine

Conditions

Conditions	Yield
With tetrabutyl-ammonium chloride; sodium hydroxide In sulfolane at 60 - 120℃; Reagent/catalyst;	92.7%

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

1-hydrosilatrane

Conditions

Conditions	Yield
With aluminum (III) chloride; Triethoxysilane for 4h; Inert atmosphere; Reflux;	88%

627-42-9

2-chloroethyl methyl ether

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

70384-51-9

Tris(3,6-dioxaheptyl)amine

Conditions

Conditions	Yield
With tetrabutylammomium bromide; potassium hydroxide In dimethyl sulfoxide at 60 - 120℃; Catalytic behavior; Reagent/catalyst; Solvent; Inert atmosphere; Autoclave; Large scale;	86.3%

78-10-4

tetraethoxy orthosilicate

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

3463-21-6

1-ethoxysilatrane

Conditions

Conditions	Yield
With aluminum isopropoxide In xylene at 140℃; for 3h;	80%

55811-52-4

2-furyltriethoxysilane

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

68011-86-9

1-furan-2-yl-2,8,9-trioxa-5-aza-1-sila-bicyclo[3.3.3]undecane

Conditions

Conditions	Yield
With sodium ethanolate In N,N-dimethyl-formamide at 140℃; for 8h;	71%

78-08-0

Triethoxyvinylsilane

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

2097-18-9

1-vinylsilatrane

Conditions

Conditions	Yield
With sodium ethanolate In N,N-dimethyl-formamide at 140℃; for 20h;	68%

17984-89-3

triethoxy(thiophen-2-yl)silane

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

41422-87-1

2-silatranylthiophene

Conditions

Conditions	Yield
With sodium ethanolate In N,N-dimethyl-formamide at 140℃; for 28h;	66%

3294-64-2

tri-furan-2-yl-phenyl-silane

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

2097-19-0

1-phenyl-2,8,9-trioxa-5-aza-1-silabicyclo{3.3.3}undecane

Conditions

Conditions	Yield
With sodium ethanolate In N,N-dimethyl-formamide at 80℃; for 3h;	65%

4840-75-9

hexa-N-methyl-Si-phenyl-silanetriamine

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

2097-19-0

1-phenyl-2,8,9-trioxa-5-aza-1-silabicyclo{3.3.3}undecane

Conditions

Conditions	Yield
With aluminum isopropoxide In xylene at 140℃; for 10h;	60%

33892-75-0

5-Methoxy-1-tetralone

75-03-6

ethyl iodide

199620-14-9, 13007-92-6

chromium(0) hexacarbonyl

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

4111-54-0

lithium diisopropyl amide

Cr(CO)3(C13H18O2)

Conditions

Conditions	Yield
In not given sequential treatment of 5-methoxy-1-tetralone with Cr(CO)6, LiN(i-Pr)2,B(OC2H4)3N, EtI and LiAlH4; further educt: LiAlH4;	51%

...Expand

2031-67-6

Methyltriethoxysilan

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

2288-13-3

1-methylsilatrane

Conditions

Conditions	Yield
With sodium ethanolate In N,N-dimethyl-formamide at 140℃; for 22h;	50%

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

283-60-3

silatrane

Conditions

Conditions	Yield
With aluminum (III) chloride; Triethoxysilane In 5,5-dimethyl-1,3-cyclohexadiene Inert atmosphere;	24%
With aluminum (III) chloride; Triethoxysilane In 5,5-dimethyl-1,3-cyclohexadiene for 4h; Reflux;	10.80 g

7440-23-5

sodium

108-90-7

chlorobenzene

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

triethanolamine phenylborate sodium

Conditions

Conditions	Yield
Stage #1: sodium; chlorobenzene In hexane at 30℃; for 0.5h; Stage #2: 2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane In tetrahydrofuran; hexane at 0℃; for 0.166667h;	14%

...Expand

937-31-5

(4-Nitrophenyl)acetylene

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

A

1-[2-(4-nitrophenyl)ethenyl]silatrane

B

1-[1-(4-nitrophenyl)ethenyl]silatrane

Conditions

Conditions	Yield
Stage #1: (4-Nitrophenyl)acetylene With trimethoxysilane; dihydrogen hexachloroplatinate In isopropyl alcohol; toluene hydrosilylation; Heating; Stage #2: 2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane With aluminium trichloride In xylene for 24h; Esterification; transesterification; Heating;	A 9% B 13%

...Expand

15267-95-5

chloromethyltriethoxysilane

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

42003-39-4

1-(chloromethyl)silatrane

Conditions

Conditions	Yield
With sodium ethanolate In N,N-dimethyl-formamide at 140℃; for 75h;	10%

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

A

358-21-4

perfluorodiethyl ether

B

382-27-4

Perfluoro-N,N-dimethylaminoacetyl fluoride

C

382-28-5

2,2,3,3,5,5,6,6-Octafluoro-4-trifluoromethyl-morpholine

D

130279-34-4

2,2-difluoro-2-(2,2,3,3,5,5,6,6-octafluoromorpholin-4-yl)acetyl fluoride

Conditions

Conditions	Yield
With hydrogen fluoride at 7 - 8℃; for 10.3h; Fluorination; Cyclization; Electrochemical reaction; Further byproducts given;	A 7.5% B 5% C 8.8% D 3.9%

...Expand

7732-18-5

water

283-56-7

2,8,9-trioxa-5-aza-1-borabicyclo[3.3.3]undecane

A

13460-50-9

metaboric acid

B

tris-<2-hydroxy-ethylamine>

tris-<2-hydroxy-ethylamine>

Conditions

Conditions	Yield
at 10 - 30℃; Equilibrium constant;

...Expand

TRIETHANOLAMINE BORATE Chemical Properties

TRIETHANOLAMINE BORATE Toxicity Data With Reference

TRIETHANOLAMINE BORATE Safety Profile