CAS No.10025-78-2,Trichlorosilane Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	10025-78-2
Name:	Trichlorosilane
Article Data:	104
Cas Database

Formula:	Cl₃HSi
Molecular Weight:	135.452
Synonyms:	Silicochloroform;Silicon chloride hydride (SiCl₃H);CCRIS 9413;Trichloromonosilane;Trichlorosilane (HSiCl₃);HSDB 890;Silane A-19;Silici-chloroforme;Triclorosilano;Silane,trichloro-;
EINECS:	233-042-5
Density:	1.34 g/cm³
Melting Point:	-127 °C
Boiling Point:	31.8 °C at 760 mmHg
Flash Point:	-27 °C
Solubility:	Water: decomposes
Appearance:	Clear liquid
Hazard Symbols:	F+,C
Risk Codes:	12-14-17-20/22-29-35
Safety:	16-26-36/37/39-43-45-7/9-43A
Transport Information:	UN 1295 4.3/PG 1
PSA:	0.00000
LogP:	1.42000

Synthetic route

: 7440-21-3
silicon

A: 75-79-6
Methyltrichlorosilane

B: 10026-04-7, 53609-55-5
tetrachlorosilane

C: 10025-78-2
trichlorosilane

D: 75-78-5
dimethylsilicon dichloride

Conditions

Conditions	Yield
With methylene chloride; copper In neat (no solvent) mixt. of CH3Cl/N2 (2:5) and Si-Cu (9:1) at 300°C;;	A 4% B n/a C n/a D 86.5%
With methylene chloride; copper In neat (no solvent) mixt. of CH3Cl/N2 (2:5) and Si-Cu (9:1) at 300°C;;	A 4% B n/a C n/a D 86.5%
With methylene chloride; copper In neat (no solvent) CH3Cl and Si-Cu mixt. (8:2) at 350°C;;

...Expand

: 141-57-1
n-propyltrichlorosilane

: 10025-78-2
trichlorosilane

Conditions

Conditions	Yield
With hydrogen; Rh, Re/C at 550℃; under 5807.73 Torr; for 10.1h; Product distribution / selectivity;	82%

: 7647-01-0
hydrogenchloride

Cu(b),Si(20) (X%): Cu(b),Si(20) (X%)

A: 10026-04-7, 53609-55-5
tetrachlorosilane

B: 10025-78-2
trichlorosilane

Conditions

Conditions	Yield
In neat (no solvent) reaction at 300 °C;;	A 20% B 80%
In neat (no solvent) reaction at 300 °C;;	A 20% B 80%

...Expand

: 115-21-9
ethyltrichlorosilane

: 10025-78-2
trichlorosilane

Conditions

Conditions	Yield
With hydrogen; Rh, Re/C at 700℃; under 5947.36 Torr; for 17.8833h; Product distribution / selectivity;	75.3%

: 75-79-6
Methyltrichlorosilane

A: 10026-04-7, 53609-55-5
tetrachlorosilane

B: 10025-78-2
trichlorosilane

Conditions

Conditions	Yield
With hydrogen; Rh/C at 800℃; Product distribution / selectivity;	A 73.3% B 25.1%

: 10026-04-7, 53609-55-5
tetrachlorosilane

: 1333-74-0
hydrogen

: 10025-78-2
trichlorosilane

Conditions

Conditions	Yield
In neat (no solvent) SiCl4 reacted with H2 in thermo-plasma at 50 kW at 3500-5000 K;	72.9%
In neat (no solvent) Kinetics; byproducts: hydrogen chloride; bubbling H2 through liq. SiCl4 at constant temp.; introducing into the discharge zone; various product ratios yield various H2:SiCl4 molar ratio, molar energy input, and pressure; gas chromy.;	60%
at 900 - 1300℃; under 1125.11 - 3750.38 Torr; Product distribution / selectivity;

: 75-79-6
Methyltrichlorosilane

: 10025-78-2
trichlorosilane

Conditions

Conditions	Yield
With hydrogen; Rh, Re/C at 550℃; under 4556.19 Torr; for 4.55h; Product distribution / selectivity;	70.8%

: 7647-01-0
hydrogenchloride

: 7440-21-3
silicon

: 10025-78-2
trichlorosilane

Conditions

Conditions	Yield
With CuO-ZnO-In2O3 mesocrystal microspheres Reagent/catalyst;	61.2%
In not given heating of silicon washed with HCl and dried in a stream of HCl at 450-500 °C;;
In not given heating of silicon washed with HCl and dried in a stream of HCl at 450-500 °C;;
at 230 - 260℃;

: 75-79-6
Methyltrichlorosilane

A: 75-54-7
Dichloromethylsilane

B: 10026-04-7, 53609-55-5
tetrachlorosilane

C: 10025-78-2
trichlorosilane

Conditions

Conditions	Yield
With hydrogen; Rh/C at 700℃; Product distribution / selectivity;	A 5.5% B 28.2% C 22.9%

...Expand

: 10026-04-7, 53609-55-5
tetrachlorosilane

: 1333-74-0
hydrogen

: 7440-21-3
silicon

: 10025-78-2
trichlorosilane

Conditions

Conditions	Yield
copper(l) chloride at 525℃; Product distribution / selectivity;	6.14%
at 525℃; Product distribution / selectivity;	4.6%
at 500℃; under 22502.3 Torr; Product distribution / selectivity; Industry scale;

...Expand

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Consensus Reports

Reported in EPA TSCA Inventory.

Standards and Recommendations

DOT Classification: 4.3; Label: Dangerous When Wet, Flammable Liquid, Corrosive

Specification

1. Introduction of Trichlorosilane

The Trichlorosilane belongs to product categories of Reduction; Si (Classes of Silicon Compounds); Si-Cl Compounds; Si-H Compounds; Silicon Compounds (for Synthesis); Synthetic Organic Chemistry; Trichlorosilanes; Chloro Silanes; POSS Precursors and Intermediates; Protecting and Derivatizing Reagents; RSiCl₃Protection and Derivatization; Silicon-Based; Silsesquioxanes: POSS Nanohybrids. This chemical is a clear liquid and should be stored in a ventilated, cool and dry place. Besides, it is the basic ingredient used in the production of purified polysilicons.

2. Properties of Trichlorosilane

Physical properties about Trichlorosilane are: (1)ACD/LogP: 4.77; (2)ACD/LogD (pH 5.5): 4.77; (3)ACD/LogD (pH 7.4): 4.77; (4)ACD/BCF (pH 5.5): 2501.35; (5)ACD/BCF (pH 7.4): 2501.35; (6)Enthalpy of Vaporization: 26.57 kJ/mol; (7)Boiling Point: 31.8 °C at 760 mmHg; (8)Vapour Pressure: 596 mmHg at 25 °C.

3. Structure Descriptors of Trichlorosilane

You could convert the following datas into the molecular structure:
1). Canonical SMILES: [Si](Cl)(Cl)Cl
2). InChI: InChI=1S/Cl3Si/c1-4(2)3
3). InChIKey: PPDADIYYMSXQJK-UHFFFAOYSA-N

4. Toxicity of Trichlorosilane

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mammal (species unspecified)	LC50	inhalation	1gm/m³ (1000mg/m³)	LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA LIVER: FATTY LIVER DEGERATION BLOOD: OTHER CHANGES	Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv. Toxicology of New Industrial Chemical Substances. For English translation, see TNICS*. Vol. 3, Pg. 81, 1961.
mouse	LC50	inhalation	1500mg/m³/2H (1500mg/m³)		"Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 114, 1982.
rat	LCLo	inhalation	500ppm/4H (500ppm)		Union Carbide Data Sheet. Vol. 2/21/1979,
rat	LD50	oral	1030mg/kg (1030mg/kg)		Journal of Industrial Hygiene and Toxicology. Vol. 31, Pg. 60, 1949.

5. Safety Information of Trichlorosilane

When you are using this chemical, please be cautious about it. As a chemical, it is spontaneously flammable in air and causes severe burns. It is also harmful by inhalation and if swallowed. Besides, it reacts violently with water and liberates toxic gas. During using it, wear suitable protective clothing, gloves and eye/face protection. Keep container tightly closed and in a well-ventilated place away from sources of ignition. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If accident happens or you feel unwell seek medical advice immediately.

6. Preparation of Trichlorosilane

Preparation of Trichlorosilane: it is prepared by blowing hydrogen chloride through a bed of silicon powder at 300°C. The yield is about 80-90%. What's more, the reaction produces byproducts of silicon tetrachloride (chemical formula SiCl₄), hexachlorodisilane (Si₂Cl₆), and dichlorosilane (H₂SiCl₂), which can be separated by distillation.

Si+3HCl→HSiCl₃+H₂