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Silicon monoxide

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Name

Silicon monoxide

EINECS 233-232-8
CAS No. 10097-28-6 Density 2.13 g/cm3
PSA 0.00000 LogP -0.67010
Solubility Insoluble in water. Melting Point 1870 °C
Formula OSi Boiling Point 1880 °C
Molecular Weight 48.1167 Flash Point 1880°C
Transport Information N/A Appearance brown or black chunks or powder
Safety 26-36 Risk Codes 36/37/38
Molecular Structure Molecular Structure of 10097-28-6 (Silicon monoxide) Hazard Symbols IrritantXi
Synonyms

Silicon oxide;SiO;SILICON OXIDE,MONO;Monox;Oxosilylene;silicon oxide powder;oxo-silylen;SILICON (II) OXIDE;Silicon monoxide;silicon oxide;Silylene,oxo;Silicon Monoxide SiO;

Article Data 13

Silicon monoxide Synthetic route

7440-21-3

silicon

10097-28-6

silicon monoxide

Conditions
ConditionsYield
With O2 In neat (no solvent) O2 stream (0.02 mmol/h) passing over Si heated to 1200°C in Al furnace;
10102-43-9

nitrogen(II) oxide

7440-21-3

silicon

A

10097-28-6

silicon monoxide

B

7727-37-9

nitrogen

Conditions
ConditionsYield
investigation of reaction of NO with Si(111) and (100) surfaces between1220-1390°C and for NO-pressures of 6E-6 to 2E-4Torr: formation of SiO and N2 at high substrate temp. and low NO pressure;; optical and scanning electron microscopy;;
10102-43-9

nitrogen(II) oxide

7440-21-3

silicon

A

10097-28-6

silicon monoxide

B

nitrogen

Conditions
ConditionsYield
In gaseous matrix Kinetics; in Ar, at 2000 K;
7440-21-3

silicon

A

10097-28-6

silicon monoxide

Conditions
ConditionsYield
In gaseous matrix laser-abladed Si co-deposited with O2 in excess argon;

Si23(1+)

10097-28-6

silicon monoxide

Conditions
ConditionsYield
With oxygen In gaseous matrix Kinetics; byproducts: Si21(1+); react. of Si cluster with O2 in Ne matrix in the temp. range of 228-434 K; detected by quadrupole MAS;

Si13(1+)

10097-28-6

silicon monoxide

Conditions
ConditionsYield
With oxygen In gaseous matrix Kinetics; byproducts: Si11(1+); react. of Si cluster with O2 in Ne matrix in the temp. range of 228-434 K; detected by quadrupole MAS;
7440-21-3

silicon

A

10097-28-6

silicon monoxide

B

12439-79-1

(SiO)2

C

12439-83-7

(SiO)3

Conditions
ConditionsYield
With O2 In neat (no solvent) (Ar); O2 was passed over heated Si at about 1500 K, mixt. of Ar/SiO (200:1) was condensed for about 2 h on a helium-cooled Cu surface; not isolated, detected IR spect.;
7440-21-3

silicon

10097-28-6

silicon monoxide

Conditions
ConditionsYield
Ar-O2 mixture was conducted over Si at 1200-1300°C;
O2 stream passing over Si heated to ca. 1500 K in vac. at ca. 1E-6 mbar;
10024-97-2

dinitrogen monoxide

7440-21-3

silicon

10097-28-6

silicon monoxide

Conditions
ConditionsYield
In gaseous matrix byproducts: N2; silicon evaporated at temp. between 1600-2100°C, Si vapor directly reacted with N2O in the pressure range E-5 to E-3 Torr (single and multiple collision condns.); not isolated, identified by chemiluminescence;
10102-44-0

Nitrogen dioxide

7440-21-3

silicon

10097-28-6

silicon monoxide

Conditions
ConditionsYield
In gaseous matrix byproducts: NO; silicon evaporated at temp. between 1600-2050°C, Si vapor directly reacted with NO2 in the pressure range E-5 to E-3 Torr (single and multiple collision condns.); not isolated, identified by chemiluminescence;

Silicon monoxide Specification

The Silicon monoxide, with the CAS registry number 10097-28-6, is also known as Silylene, oxo-. It belongs to the product categories of Inorganic Chemicals; Metal and Ceramic Science; Oxides. Its EINECS registry number is 233-232-8. This chemical's molecular formula is SiO and molecular weight is 44.08. Its IUPAC name is called oxoniumylidynesilanide. It has been detected in stellar objects and it has been described as the most common oxide of silicon in the universe. This chemical is brown or black chunks or powder.

Physical properties of Silicon monoxide: (1)H-Bond Donor: 0; (2)H-Bond Acceptor: 1; (3)Rotatable Bond Count: 0; (4)Exact Mass: 43.971841; (5)MonoIsotopic Mass: 43.971841; (6)Topological Polar Surface Area: 1; (7)Heavy Atom Count: 2; (8)Formal Charge: 0; (9)Complexity: 10; (10)Covalently-Bonded Unit Count: 1; (11)Effective Rotor Count: 0; (12)Conformer Sampling RMSD: 0.4; (13)CID Conformer Count: 1.

Preparation: this chemical can be prepared by 99.5% of the silica powder and coal tar pitch powder. The reaction temperature is 1600 °C.

SiO2+C→SiO=CO

Uses of Silicon monoxide: Due to its highly active, it can be used for synthesis of fine ceramic materials, such as silicon nitride, silicon carbide fine ceramic powder raw materials.

When you are using this chemical, please be cautious about it as the following:
This chemical may cause inflammation to the skin or other mucous membranes. It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. Whenever you will contact it, please wear suitable protective clothing.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: [O+]#[Si-]
(2)InChI: InChI=1S/OSi/c1-2
(3)InChIKey: LIVNPJMFVYWSIS-UHFFFAOYSA-N

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