CAS No.15933-59-2,1,1,3,3-Tetramethyldisilazane Suppliers

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Basic Information

Molecular Structure:
CAS No.:	15933-59-2
Name:	1,1,3,3-Tetramethyldisilazane
Article Data:	11

Formula:	C₄H₁₅NSi₂
Molecular Weight:	133.341
Synonyms:	Disilazane,1,1,3,3-tetramethyl- (6CI,7CI,8CI);1,1,3,3-Tetramethyldisilazane;1,3-Dihydrido-1,1,3,3-tetramethyldisilazane;Bis(dimethylsilyl)amine;LS 7050;NSC 139849;TMDS;Tetramethyldisilazane;
EINECS:	240-072-2
Density:	0.752 g/mL at 25 °C(lit.)
Melting Point:	99-100 °C
Boiling Point:	91.1 °C at 760 mmHg
Flash Point:	17 °F
Appearance:	Clear colorless to faintly yellow liquid
Hazard Symbols:	F; Xi
Risk Codes:	11-36/37/38
Safety:	16-26-36
PSA:	12.03000
LogP:	0.93370

Synthetic route

: 1066-35-9
dimethylmonochlorosilane

: 15933-59-2
1,1,3,3-tetramethyldisilazane

Conditions

Conditions	Yield
With ammonia In hexane at -30 - 20℃; for 6h; Inert atmosphere; Schlenk technique;	90%
With ammonia In hexane at -30 - 20℃; for 6h; Inert atmosphere; Schlenk technique;	90%
With ammonia
With ammonia
With ammonia In pentane at -25 - 20℃; for 6h; Schlenk technique; Inert atmosphere;	197 g

: tetramethyldisilazane

: 99892-23-6
N,N',N''-trimethyl-1,4,7,10-tetraazacyclododecane

: C15H39MgN5Si2

B: 15933-59-2
1,1,3,3-tetramethyldisilazane

Conditions

Conditions	Yield
In pentane at 25℃; for 0.5h; Inert atmosphere; Schlenk technique; Glovebox;	A 86% B n/a

...Expand

: 1066-35-9
dimethylmonochlorosilane

: 999-97-3
1,1,1,3,3,3-hexamethyl-disilazane

A: 75-77-4
chloro-trimethyl-silane

B: 15933-59-2
1,1,3,3-tetramethyldisilazane

Conditions

Conditions	Yield
With tetrabutyl ammonium fluoride Heating;	A n/a B 70%

...Expand

: C22H30F12NO3S2Si2Y

: 67-63-0
isopropyl alcohol

A: C21H23F12O4S2Y

B: 15933-59-2
1,1,3,3-tetramethyldisilazane

Conditions

Conditions	Yield
In dichloromethane-d2 Inert atmosphere;

...Expand

: 67-51-6
3,5-dimethyl-1H-pyrazole

: 1414380-27-0
tris(tetramethyldisilazanido)bis(tetrahydrofuran)cerium

A: Ce(3,5-dimethylpyrazolato)3

B: 15933-59-2
1,1,3,3-tetramethyldisilazane

Conditions

Conditions	Yield
In tetrahydrofuran-d8; benzene-d6 Inert atmosphere;

...Expand

: 67-51-6
3,5-dimethyl-1H-pyrazole

: tetramethyldisilazane

A: [Ce(Me2pz)4(Me2pzH)]

B: 15933-59-2
1,1,3,3-tetramethyldisilazane

Conditions

Conditions	Yield
In benzene-d6 at 20℃; Inert atmosphere;

...Expand

: 15933-59-2
1,1,3,3-tetramethyldisilazane

: 108-95-2
phenol

: 18246-19-0
dimethylphenoxysilane

Conditions

Conditions	Yield
	100%
With dimethylmonochlorosilane; triethylamine for 1h; temp.: below 40 deg C;	57%
With dimethylmonochlorosilane Heating;
at 20 - 160℃; for 2h; Inert atmosphere;

: 106-48-9
4-chloro-phenol

: 15933-59-2
1,1,3,3-tetramethyldisilazane

: 30342-25-7
(4-Chloro-phenoxy)-dimethyl-silane

Conditions

Conditions	Yield
	100%
at 20 - 160℃; for 2h; Inert atmosphere;

: 100-02-7
4-nitro-phenol

: 15933-59-2
1,1,3,3-tetramethyldisilazane

: 79516-20-4
Dimethyl-(4-nitro-phenoxy)-silane

Conditions

Conditions	Yield
	100%
at 20 - 160℃; for 2h; Inert atmosphere;

: 106-44-5
p-cresol

: 15933-59-2
1,1,3,3-tetramethyldisilazane

: 76058-60-1
Dimethyl-p-tolyloxy-silane

Conditions

Conditions	Yield
	100%
at 20 - 160℃; for 2h; Inert atmosphere;

Raw Materials

1066-35-9

999-97-3

Downstream Products

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Specification

The 1,1,3,3-Tetramethyldisilazane, with the CAS registry number 15933-59-2 and EINECS registry number 240-072-2, has the systematic name of N-(dimethylsilyl)-1,1-dimethylsilanamine. It is a kind of clear colorless to faintly yellow liquid which is moisture Sensitive, and it belongs to the following product categories: Analytical Chemistry; Dimethylsilylation (GC Derivatizing Reagents); GC Derivatizing Reagents; Si (Classes of Silicon Compounds); Si-H Compounds; Silazanes; Silylation (GC Derivatizing Reagents); Si-N Compounds. The molecular formula of the chemical is C₄H₁₅NSi₂.

The characteristics of 1,1,3,3-Tetramethyldisilazane as followings: (1)ACD/LogP: 3.49; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.41; (4)ACD/LogD (pH 7.4): 1.16; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1.25; (7)ACD/KOC (pH 5.5): 1.59; (8)ACD/KOC (pH 7.4): 8.93; (9)#H bond acceptors: 1; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 3.24 Å²; (13)Enthalpy of Vaporization: 33.11 kJ/mol; (14)Boiling Point: 91.1 °C at 760 mmHg; (15)Vapour Pressure: 54.6 mmHg at 25°C.

Uses of 1,1,3,3-Tetramethyldisilazane: It can react with phenol to produce dimethylphenoxysilane. This reaction will need reagent triethylamine and dimethylchlorosilane. The reaction time is 1 hour with temperature below 40°C, and the yield is about 57%.

You should be cautious while dealing with this chemical. It is a kind of highly flammable chemical which irritates to eyes, respiratory system and skin. Therefore, you had better take the following instructions: Keep away from sources of ignition - No smoking; Wear suitable protective clothing; In case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: N([SiH](C)C)[SiH](C)C
(2)InChI: InChI=1/C4H15NSi2/c1-6(2)5-7(3)4/h5-7H,1-4H3
(3)InChIKey: NQCZAYQXPJEPDS-UHFFFAOYAW