CAS No.102-24-9,Trimethoxyboroxine Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	102-24-9
Name:	Trimethoxyboroxine
Article Data:	44

Formula:	C3H9 B3 O6
Molecular Weight:	173.534
Synonyms:	Boroxin,trimethoxy- (6CI,7CI,8CI,9CI); Boric acid (H3B3O6), trimethyl ester; NSC 56370;TMBX; Trimethoxyboroxin; Trimethoxyboroxine
EINECS:	203-016-8
Density:	1.216
Melting Point:	10 °C(lit.)
Boiling Point:	130 °C(lit.)
Flash Point:	14 ºC
Solubility:	reacts
Appearance:	colorless not quite clear liquid
Hazard Symbols:
Risk Codes:	R11;R38;R41
Safety:	Slightly toxic by ingestion. When heated to decomposition it emits toxic fumes of boron.
Transport Information:	UN 2924
PSA:	55.38000
LogP:	-1.05630

Synthetic route

: 124-38-9
carbon dioxide

: 0.95C4H11BO*0.05Na(1+)*0.05BH4(1-)

: 102-24-9
cyclotriboric acid trimethyl ester

Conditions

Conditions	Yield
In tetrahydrofuran at 20℃; for 12h; Schlenk technique; Inert atmosphere;	87%

: 14044-65-6
borane-THF

: 124-38-9
carbon dioxide

: 102-24-9
cyclotriboric acid trimethyl ester

Conditions

Conditions	Yield
With sodium tetrahydroborate In tetrahydrofuran for 12h; Reagent/catalyst; Schlenk technique; Inert atmosphere;	83%

: 13292-87-0
dimethylsulfide borane complex

: 1111-72-4
carbon dioxide

: 102-24-9
cyclotriboric acid trimethyl ester

Conditions

Conditions	Yield
With C27H53BN2P2 at 60℃; under 3800.26 Torr; for 11h; Reagent/catalyst; Inert atmosphere;	80%

: 124-38-9
carbon dioxide

: 13292-87-0
dimethylsulfide borane complex

: 102-24-9
cyclotriboric acid trimethyl ester

Conditions

Conditions	Yield
With C39H45N2(1+)CHO2(1-)BH3O3 In benzene-d6 at 20℃; under 760.051 Torr; for 6h;	67%
With C24H18BO2P at 70℃; under 760.051 Torr; for 1h; Catalytic behavior; Reagent/catalyst; Inert atmosphere;
With N,N,N',N'-tetramethyl-1,8-diaminonaphthalene In benzene-d6 at 80℃; under 760.051 Torr; for 21h; Catalytic behavior; Reagent/catalyst; Temperature; Time; Solvent; Sealed tube;	> 99 %Spectr.

: 121-43-7
Trimethyl borate

: 102-24-9
cyclotriboric acid trimethyl ester

Conditions

Conditions	Yield
With boron trioxide
With boric acid

: 868-81-5
chlorodimethoxyborane

: 102-24-9
cyclotriboric acid trimethyl ester

Conditions

Conditions	Yield
at 250℃;
at 250℃;
250°C, 10 h, in sealed tube;
In neat (no solvent) decompn. on heating or by Lewis-acid catalysis;;

: 121-43-7
Trimethyl borate

B2O3: B2O3

: 102-24-9
cyclotriboric acid trimethyl ester

: 121-43-7
Trimethyl borate

boroxide: boroxide

: 102-24-9
cyclotriboric acid trimethyl ester

: boron trioxide

: 121-43-7
Trimethyl borate

: 102-24-9
cyclotriboric acid trimethyl ester

: 121-43-7
Trimethyl borate

: 7732-18-5
water

A: 67-56-1
methanol

B: 102-24-9
cyclotriboric acid trimethyl ester

Conditions

Conditions	Yield
In methanol controlled partial hydrolysis; addn. of 2-methyl pentane, removal of CH3OH/2-methyl pentane azeotrope by distn.;;

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Chemistry

The formula of TRIMETHOXYBOROXINE(102-24-9 ) is C₃H₉B₃O₆.
There are some TRIMETHOXYBOROXINE(102-24-9 )'s descriptions:
Mol weight: 173.53
Physical properties:Colorless liquid, flammable, sensitive to moisture.
Boiling point: 130 °C.
Density: 1.195 g/cm³ (25 °C).
Melting point: 10 °C.
Vapour pressure: 30 mm Hg (25 °C).
Specification: Appearance colorless not quite clear liquid
Purity 96 % min

Toxicity Data With Reference

orl-rat LD50:5160 mg/kg

14KTAK Boron, Metallo-Boron Compounds and Boranes R.M. Adams,New York, NY.: Wiley,1964,693.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Slightly toxic by ingestion. When heated to decomposition TRIMETHOXYBOROXINE(102-24-9 ) emits toxic fumes of boron.