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Cas Database

56706-11-7

56706-11-7

Identification

  • Product Name:3,15-Dioxa-8,9,10-trithia-4,14-disilaheptadecane,4,4,14,14-tetraethoxy-

  • CAS Number: 56706-11-7

  • EINECS:

  • Molecular Weight:506.897

  • Molecular Formula: C18H42 O6 S3 Si2

  • HS Code:

  • Mol File:56706-11-7.mol

Synonyms:1,3-Bis[3-(triethoxysilyl)propyl]trisulfide; Bis[3-(triethoxysilyl)propyl] trisulfide

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Safety information and MSDS view more

  • Signal Word:No signal word.

  • Hazard Statement:none

  • First-aid measures: General adviceConsult a physician. Show this safety data sheet to the doctor in attendance.If inhaled If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician. In case of skin contact Wash off with soap and plenty of water. Consult a physician. In case of eye contact Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician. If swallowed Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

  • Fire-fighting measures: Suitable extinguishing media Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide. Wear self-contained breathing apparatus for firefighting if necessary.

  • Accidental release measures: Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8. Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided. Pick up and arrange disposal. Sweep up and shovel. Keep in suitable, closed containers for disposal.

  • Handling and storage: Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2. Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

  • Exposure controls/personal protection:Occupational Exposure limit valuesBiological limit values Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday. Eye/face protection Safety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Skin protection Wear impervious clothing. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique(without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it. Respiratory protection Wear dust mask when handling large quantities. Thermal hazards

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Relevant articles and documentsAll total 6 Articles be found

PROCESS FOR PREPARING ORGANOSILANES

-

Page/Page column 9-10, (2010/03/02)

The invention relates to a process for preparing organosilanes of the general formula I by reacting (haloorganyl)alkoxysilane of the formula II with hydrous alkali metal hydrogensulphide, sulphur and alkali metal carbonate in alcohol, wherein the molar (haloorganyl)alkoxysilane of the formula II to alkali metal hydrogensulphide ratio is between 1:0.4 and 1:0.75, and the molar alkali metal hydrogensulphide to alkali metal carbonate ratio is between 1:0.5 and 1:1.5.

Process for preparing mercaptoorganyl (alkoxysilanes)

-

Page/Page column 7-9, (2008/06/13)

The present invention relates to a process for preparing mercaptoorganyl(alkoxysilanes), by hydrogenating bis(alkoxy-silylorganyl) polysulphides with hydrogen in the presence of at least one alcohol and a doped metal catalyst. The doped metal catalyst comprises at least one substance from the group consisting of iron, iron compound, nickel, nickel compound, palladium, palladium compound, osmium, osmium compound, ruthenium, ruthenium compound, rhodium, rhodium compound, iridium and iridium compound plus at least one doping component.

Preparation of sulfide chain-bearing organosilicon compounds

-

Page/Page column 4, (2008/06/13)

By reacting a halogenoalkyl group-bearing organosilicon compound and optionally sulfur with an aqueous solution or water dispersion of an ammonium or alkali metal polysulfide or a hydrate thereof in the presence of a phase transfer catalyst, a sulfide chain-bearing organosilicon compound having the average compositional formula (2): [in-line-formulae](R1O)(3-p)(R2)pSi—R3—S—R3—Si(OR1)(3-p)(R2)p ??(2) [/in-line-formulae] wherein m has an average value of 2≦m≦6 is obtained in high yields and at a low cost with minimized formation of a monosulfide-bearing organosilicon compound.

Preparation of sulfide chain-bearing organosilicon compounds

-

Page/Page column 4, (2008/06/13)

By reacting a mixture of a halogenoalkyl group-bearing organosilicon compound and sulfur with an aqueous solution or water dispersion of an ammonium or alkali metal sulfide or a hydrate thereof in the presence of a phase transfer catalyst, a sulfide chain-bearing organosilicon compound having the average compositional formula (2): [in-line-formulae](R1O)(3-p)(R2)pSi—R3—Sm—R3—Si(OR1)(3-p)(R2)p??(2) [/in-line-formulae] wherein m has an average value of 2≦m≦6 is obtained in high yields and at a low cost with minimized formation of a monosulfide-bearing organosilicon compound.

Process for the manufacture of blocked mercaptosilanes

-

Page column 7-9, (2010/02/08)

A process for the manufacture of a blocked mercaptosilane comprising: reacting at least one polysulfane-containing organosilicon compound of the general formula: (R13SiG)2Sn (a) in which each R1is independently methoxy, ethoxy or alkyl of from 1 to about 6 carbon atoms, provided, that at least one R1group is methoxy or ethoxy, G is an alkylene group of from 1 to about 12 carbon atoms and n is from 2 to about 8, with at least one alkali metal, alkaline earth metal or a basic derivative of an alkali metal or alkaline earth metal to provide the corresponding metal salt of the polysulfane-containing organosilicon compound and; (b) reacting the metal salt of the polysulfane-containing organosilicon compound with an acyl halide or carbonyl dihalide to provide a blocked mercaptosilane.

Process route upstream and downstream products

Process route

4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane
56706-10-6

4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane

n-octanoic acid chloride
111-64-8

n-octanoic acid chloride

3-(octanoylsulfanyl)-1-propyltriethoxysilane
220727-26-4

3-(octanoylsulfanyl)-1-propyltriethoxysilane

octanoic acid ethyl ester
106-32-1

octanoic acid ethyl ester

(3-chloropropyl)triethoxysilane
5089-70-3

(3-chloropropyl)triethoxysilane

3-Mercaptopropyltriethoxysilane
14814-09-6

3-Mercaptopropyltriethoxysilane

bis-[γ-(triethoxysilyl)propyl]sulfide
60764-86-5

bis-[γ-(triethoxysilyl)propyl]sulfide

4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane
56706-11-7

4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane

Conditions
Conditions Yield
4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane; With sodium; In toluene; at 110 ℃; for 0.75 - 1.15h;
n-octanoic acid chloride; In toluene; at 45 - 60 ℃; for 1 - 2h;
With water; In toluene; at 45 ℃; Product distribution / selectivity;
bis(3-triethoxysilylpropyl) tetrasulfide
40372-72-3

bis(3-triethoxysilylpropyl) tetrasulfide

n-octanoic acid chloride
111-64-8

n-octanoic acid chloride

3-(octanoylsulfanyl)-1-propyltriethoxysilane
220727-26-4

3-(octanoylsulfanyl)-1-propyltriethoxysilane

octanoic acid ethyl ester
106-32-1

octanoic acid ethyl ester

(3-chloropropyl)triethoxysilane
5089-70-3

(3-chloropropyl)triethoxysilane

3-Mercaptopropyltriethoxysilane
14814-09-6

3-Mercaptopropyltriethoxysilane

bis-[γ-(triethoxysilyl)propyl]sulfide
60764-86-5

bis-[γ-(triethoxysilyl)propyl]sulfide

4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane
56706-10-6

4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane

4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane
56706-11-7

4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane

Conditions
Conditions Yield
bis(3-triethoxysilylpropyl) tetrasulfide; With sodium; In Solvent 140; at 110 ℃; for 0.75h;
n-octanoic acid chloride; In Solvent 140; at 45 - 104 ℃; for 1h;
With water; In toluene; at 45 ℃; Product distribution / selectivity;
(3-chloropropyl)triethoxysilane
5089-70-3

(3-chloropropyl)triethoxysilane

4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane
56706-10-6

4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane

4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane
56706-11-7

4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane

Conditions
Conditions Yield
With sodium hydrogen sulfide monohydrate; sodium carbonate; sulfur; sodium hydroxide; In ethanol; water; at 55 - 80 ℃; Product distribution / selectivity;
With sodium hydrogen sulfide monohydrate; sodium carbonate; sulfur; sodium hydroxide; In ethanol; water; at 55 - 80 ℃; Product distribution / selectivity;
(3-chloropropyl)triethoxysilane
5089-70-3

(3-chloropropyl)triethoxysilane

[(MeO)3Si(CH<sub>2</sub>)3]2S<sub>6</sub>

[(MeO)3Si(CH2)3]2S6

bis(3-triethoxysilylpropyl) tetrasulfide
40372-72-3

bis(3-triethoxysilylpropyl) tetrasulfide

bis-[γ-(triethoxysilyl)propyl]sulfide
60764-86-5

bis-[γ-(triethoxysilyl)propyl]sulfide

4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane
56706-10-6

4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane

4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane
56706-11-7

4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane

bis(triethoxysilylpropyl)penta-sulphane

bis(triethoxysilylpropyl)penta-sulphane

Conditions
Conditions Yield
With sodium sulfide; tetrabutylammomium bromide; sulfur; In water; at 80 - 90 ℃; for 5.66667h; Product distribution / selectivity;
(3-chloropropyl)triethoxysilane; With tetrabutylammomium bromide; sulfur; at 80 ℃;
With sodium sulfide; tetrabutylammomium bromide; In water; at 70 - 80 ℃; for 5.83333h; Product distribution / selectivity;
(3-chloropropyl)triethoxysilane; With sulfur; at 80 ℃;
With sodium sulfide; tetrabutylammomium bromide; In water; at 80 - 90 ℃; for 5.58333h; Product distribution / selectivity;
(3-chloropropyl)triethoxysilane; With tetrabutylammomium bromide; In water; at 80 ℃;
With sodium sulfide; sulfur; In water; at 70 - 80 ℃; for 5.66667h; Product distribution / selectivity;
(3-chloropropyl)triethoxysilane
5089-70-3

(3-chloropropyl)triethoxysilane

bis(3-triethoxysilylpropyl) tetrasulfide
40372-72-3

bis(3-triethoxysilylpropyl) tetrasulfide

4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane
56706-10-6

4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane

4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane
56706-11-7

4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane

Conditions
Conditions Yield
With sodium hydrogen sulfide monohydrate; sodium carbonate; sulfur; sodium hydroxide; In ethanol; water; at 65 - 75 ℃; Product distribution / selectivity;
With sodium hydrogen sulfide monohydrate; sodium carbonate; sulfur; sodium hydroxide; In ethanol; water; at 65 - 75 ℃; Product distribution / selectivity;
(3-chloropropyl)triethoxysilane
5089-70-3

(3-chloropropyl)triethoxysilane

[(MeO)3Si(CH<sub>2</sub>)3]2S<sub>6</sub>

[(MeO)3Si(CH2)3]2S6

[(EtO)3Si(CH<sub>2</sub>)3]2S<sub>7</sub>

[(EtO)3Si(CH2)3]2S7

bis(3-triethoxysilylpropyl) tetrasulfide
40372-72-3

bis(3-triethoxysilylpropyl) tetrasulfide

bis-[γ-(triethoxysilyl)propyl]sulfide
60764-86-5

bis-[γ-(triethoxysilyl)propyl]sulfide

4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane
56706-10-6

4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane

4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane
56706-11-7

4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane

bis(triethoxysilylpropyl)penta-sulphane

bis(triethoxysilylpropyl)penta-sulphane

Conditions
Conditions Yield
(3-chloropropyl)triethoxysilane; With sulfur; In toluene; at 80 ℃;
With tetrabutylammomium bromide; sulfur; In water; toluene; at 80 - 85 ℃; for 5.58333h; Product distribution / selectivity;
With sodium sulfide; tetrabutylammomium bromide; sulfur; In water; at 80 - 90 ℃; for 6.66667h; Product distribution / selectivity;
(3-chloropropyl)triethoxysilane; With sodium sulfide; tetrabutylammomium bromide; sulfur; In water; at 80 - 90 ℃; for 8.66667h;
With tetrabutylammomium bromide; sulfur; In water; toluene; at 80 - 85 ℃; for 5.58333h; Product distribution / selectivity;
(3-chloropropyl)triethoxysilane; With sulfur; In toluene; at 80 ℃;
With sodium sulfide; tetrabutylammomium bromide; In water; toluene; at 90 - 95 ℃; for 5.75h; Product distribution / selectivity;
(3-chloropropyl)triethoxysilane
5089-70-3

(3-chloropropyl)triethoxysilane

[(MeO)3Si(CH<sub>2</sub>)3]2S<sub>6</sub>

[(MeO)3Si(CH2)3]2S6

[(EtO)3Si(CH<sub>2</sub>)3]2S<sub>7</sub>

[(EtO)3Si(CH2)3]2S7

[(EtO)3Si(CH<sub>2</sub>)3]2S<sub>8</sub>

[(EtO)3Si(CH2)3]2S8

bis(3-triethoxysilylpropyl) tetrasulfide
40372-72-3

bis(3-triethoxysilylpropyl) tetrasulfide

bis-[γ-(triethoxysilyl)propyl]sulfide
60764-86-5

bis-[γ-(triethoxysilyl)propyl]sulfide

4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane
56706-10-6

4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane

4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane
56706-11-7

4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane

bis(triethoxysilylpropyl)penta-sulphane

bis(triethoxysilylpropyl)penta-sulphane

Conditions
Conditions Yield
(3-chloropropyl)triethoxysilane; With sulfur; at 80 ℃;
With sodium trisulfide; tetrabutylammomium bromide; In water; at 80 - 90 ℃; for 3.66667h; Product distribution / selectivity;
(3-chloropropyl)triethoxysilane; With sulfur; at 80 ℃;
With sodium sulfide; tetrabutylammomium bromide; In water; at 80 - 90 ℃; for 3.66667h; Product distribution / selectivity;
(3-chloropropyl)triethoxysilane
5089-70-3

(3-chloropropyl)triethoxysilane

bis(3-triethoxysilylpropyl) tetrasulfide
40372-72-3

bis(3-triethoxysilylpropyl) tetrasulfide

4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane
56706-10-6

4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane

4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane
56706-11-7

4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane

bis(triethoxysilylpropyl)penta-sulphane

bis(triethoxysilylpropyl)penta-sulphane

Conditions
Conditions Yield
With sodium oligosulfide; In 1,2-dimethoxyethane; for 1h; Further byproducts given; Heating;
4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane
56706-10-6

4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane

3-Mercaptopropyltriethoxysilane
14814-09-6

3-Mercaptopropyltriethoxysilane

4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane
56706-11-7

4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane

Conditions
Conditions Yield
With hydrogen; T-8027 (52percent Ni, doped with 2.4percent zirconium); In ethanol; at 159 ℃; for 2.2h; under 37503.8 Torr; Product distribution / selectivity;
4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane
56706-11-7

4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane

Conditions
Conditions Yield
Entspr. Disulfid, S;
2-Chlorpropyltrichlorsilan, A., Schwefel, NaHS;

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