Bis(triethoxysilylpropyl) disulfide supplier

Name
Bis(triethoxysilylpropyl) disulfide
EINECS 260-350-7
CAS No. 56706-10-6
Article Data20
CAS DataBase
Density 1.024 g/cm³
Solubility 14-1000000000μg/L at 20℃
Melting Point oC
Formula C₁₈H₄₂O₆S₂Si₂
Boiling Point 443.5 °C at 760 mmHg
Molecular Weight 474.831
Flash Point 222.1 °C
Transport Information
Appearance Yellowish clear liquid
Safety 26-36/37/39
Risk Codes 20/21/22-36/37/38
Molecular Structure
Hazard Symbols
Synonyms 3,3'-Bis(triethoxysilylpropyl)disulfide;Bis[g-(triethoxysilyl)propyl]disulfide;Cabrus 2A;Degussa Si 75;KBE 886B;SCA 985;SIB 1824.6;Si 266;Si266/2;Si 75;Si 75 (sulfide);Silquest A 1589;Struktol 985;
PSA 105.98000
LogP 5.24480

Synthetic route

: 5089-70-3
(3-chloropropyl)triethoxysilane

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

Conditions

Conditions	Yield
With sodium sulfide; sodium polysulfide In ethanol at 78℃; Product distribution / selectivity;	95.7%
With N2; sodium sulfide nonahydrate; hydrogen sulfide; sodium disulfide In water; toluene
With sodium hydrogen sulfide; tetrabutylammomium bromide; sulfur; sodium hydroxide In n-heptane; water at 75 - 95℃; for 0.5h;

: 5089-70-3
(3-chloropropyl)triethoxysilane

A: 14814-09-6
3-Mercaptopropyltriethoxysilane

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

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

Conditions

Conditions	Yield
With sodium hydrogen sulfate; sodium hydrogensulfide; tetrabutylammomium bromide In water at 75℃; for 5.63333h;	A 84% B 2.7 %Chromat. C 0.7 %Chromat.
With sodium hydrogensulfide; sulfur; tetrabutylammomium bromide In water at 70 - 94℃; for 3h;	A 66.7 %Chromat. B 3.37 %Chromat. C 27.9 %Chromat.
With hydrogenchloride; sodium hydrogensulfide; tetrabutylammomium bromide In water at 65 - 70℃; under 760.051 Torr; for 5.25h;	A 91.0 %Chromat. B 1.99 %Chromat. C 2.34 %Chromat.

...Expand

: 2550-04-1
allyltriethoxysilane

A: 14814-09-6
3-Mercaptopropyltriethoxysilane

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

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

Conditions

Conditions	Yield
With hydrogen sulfide under 760 Torr; for 2.5h; Irradiation; Yield given;

...Expand

: 5089-70-3
(3-chloropropyl)triethoxysilane

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

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

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

D: bis(triethoxysilylpropyl)penta-sulphane

Conditions

Conditions	Yield
With sodium oligosulfide In 1,2-dimethoxyethane for 1h; Heating; Further byproducts given;

...Expand

: 5089-70-3
(3-chloropropyl)triethoxysilane

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

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

Conditions

Conditions	Yield
With sodium sulfide; sodium hydrogensulfide; tetrabutylammomium bromide In water at 70 - 82℃; for 3h;	A 9.6 %Chromat. B 17.82 %Chromat.

: 5089-70-3
(3-chloropropyl)triethoxysilane

A: 158588-47-7
C14H32Cl2O5Si2

B: C14H34O5S2Si2

C: 14814-09-6
3-Mercaptopropyltriethoxysilane

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

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

Conditions

Conditions	Yield
With sodium hydrogensulfide In ethanol at 90 - 100℃; for 2 - 4h; Conversion of starting material;

...Expand

: 135795-91-4
(3-chloropropyl)-diethoxy-chlorosilane

: 87765-00-2
(3-chloropropyl)-ethoxy-dichlorosilane

: 64-17-5
ethanol

: 2550-06-3
3-chloropropyltrichlorosilane

: 5089-70-3
(3-chloropropyl)triethoxysilane

A: 14814-09-6
3-Mercaptopropyltriethoxysilane

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

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

Conditions

Conditions	Yield
With sodium sulfide at 50 - 102℃; for 3h; Product distribution / selectivity;
With sodium hydrogensulfide at 50 - 111℃; for 4.25h; Conversion of starting material;
Stage #1: (3-chloropropyl)-diethoxy-chlorosilane; (3-chloropropyl)-ethoxy-dichlorosilane; ethanol; 3-chloropropyltrichlorosilane; (3-chloropropyl)triethoxysilane With sodium hydrogensulfide at 30 - 110℃; for 3.25h; Stage #2: With formic acid In ethanol at 50 - 57℃; for 0.25h; Conversion of starting material;

...Expand

: 64-17-5
ethanol

: 2550-06-3
3-chloropropyltrichlorosilane

: 5089-70-3
(3-chloropropyl)triethoxysilane

A: 158588-47-7
C14H32Cl2O5Si2

B: C14H34O5S2Si2

C: 14814-09-6
3-Mercaptopropyltriethoxysilane

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

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

Conditions

Conditions	Yield
With sodium hydrogensulfide at 90 - 100℃; for 2 - 4h; Conversion of starting material;

...Expand

: 64-17-5
ethanol

: 2550-06-3
3-chloropropyltrichlorosilane

: 5089-70-3
(3-chloropropyl)triethoxysilane

A: 14814-09-6
3-Mercaptopropyltriethoxysilane

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

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

Conditions

Conditions	Yield
With sodium sulfide at -10 - 120℃; under 2400.24 Torr; for 2 - 5.33333h; Product distribution / selectivity;
With sodium hydrogensulfide at 93 - 96℃; for 2h; Conversion of starting material;

...Expand

: 5089-70-3
(3-chloropropyl)triethoxysilane

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

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

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

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

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

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

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

H: bis(triethoxysilylpropyl)penta-sulphane

Conditions

Conditions	Yield
Stage #1: (3-chloropropyl)triethoxysilane With sulfur at 80℃; Stage #2: With sodium trisulfide; tetrabutylammomium bromide In water at 80 - 90℃; for 3.66667h; Product distribution / selectivity;
Stage #1: (3-chloropropyl)triethoxysilane With sulfur at 80℃; Stage #2: With sodium sulfide; tetrabutylammomium bromide In water at 80 - 90℃; for 3.66667h; Product distribution / selectivity;

...Expand

: 5089-70-3
(3-chloropropyl)triethoxysilane

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

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

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

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

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

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

G: bis(triethoxysilylpropyl)penta-sulphane

Conditions

Conditions	Yield
Stage #1: (3-chloropropyl)triethoxysilane With sulfur In toluene at 80℃; Stage #2: 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;
Stage #1: (3-chloropropyl)triethoxysilane With sodium sulfide; tetrabutylammomium bromide; sulfur In water at 80 - 90℃; for 8.66667h; Stage #2: With tetrabutylammomium bromide; sulfur In water; toluene at 80 - 85℃; for 5.58333h; Product distribution / selectivity;
Stage #1: (3-chloropropyl)triethoxysilane With sulfur In toluene at 80℃; Stage #2: With sodium sulfide; tetrabutylammomium bromide In water; toluene at 90 - 95℃; for 5.75h; Product distribution / selectivity;

...Expand

: 5089-70-3
(3-chloropropyl)triethoxysilane

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

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

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

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

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

F: bis(triethoxysilylpropyl)penta-sulphane

Conditions

Conditions	Yield
With sodium sulfide; tetrabutylammomium bromide; sulfur In water at 80 - 90℃; for 5.66667h; Product distribution / selectivity;
Stage #1: (3-chloropropyl)triethoxysilane With tetrabutylammomium bromide; sulfur at 80℃; Stage #2: With sodium sulfide; tetrabutylammomium bromide In water at 70 - 80℃; for 5.83333h; Product distribution / selectivity;
Stage #1: (3-chloropropyl)triethoxysilane With sulfur at 80℃; Stage #2: With sodium sulfide; tetrabutylammomium bromide In water at 80 - 90℃; for 5.58333h; Product distribution / selectivity;
Stage #1: (3-chloropropyl)triethoxysilane With tetrabutylammomium bromide In water at 80℃; Stage #2: With sodium sulfide; sulfur In water at 70 - 80℃; for 5.66667h; Product distribution / selectivity;

...Expand

: 14814-09-6
3-Mercaptopropyltriethoxysilane

: 120-78-5
di(benzothiazol-2-yl)disulfide

: 149-30-4
2-Mercaptobenzothiazole

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

Conditions

Conditions	Yield
In 5,5-dimethyl-1,3-cyclohexadiene

...Expand

: 95-33-0
N-(cyclohexyl)benzothiazole-2-sulfenamide

: 14814-09-6
3-Mercaptopropyltriethoxysilane

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

: 95-31-8
N-(tert-butyl)benzothiazole-2-sulfenamide

: 14814-09-6
3-Mercaptopropyltriethoxysilane

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

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

: 111-64-8
n-octanoic acid chloride

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

B: 106-32-1
octanoic acid ethyl ester

C: 5089-70-3
(3-chloropropyl)triethoxysilane

D: 14814-09-6
3-Mercaptopropyltriethoxysilane

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

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

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

Conditions

Conditions	Yield
Stage #1: bis(3-triethoxysilylpropyl) tetrasulfide With sodium In Solvent 140 at 110℃; for 0.75h; Stage #2: n-octanoic acid chloride In Solvent 140 at 45 - 104℃; for 1h; Stage #3: With water In toluene at 45℃; Product distribution / selectivity;

...Expand

: 5089-70-3
(3-chloropropyl)triethoxysilane

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

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

C: 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;

...Expand

: 5089-70-3
(3-chloropropyl)triethoxysilane

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

B: 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;

: 14814-09-6
3-Mercaptopropyltriethoxysilane

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

Conditions

Conditions	Yield
With manganese(IV) oxide In chloroform for 1h;

: 102-71-6
triethanolamine

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

: 883794-93-2
bis(silatranylpropyl) disulfide

Conditions

Conditions	Yield
sodium ethanolate In ethanol at 150℃; under 200 Torr; for 2h;	99%

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

: 112-27-6
2,2'-[1,2-ethanediylbis(oxy)]bisethanol

: 1036978-39-8
bis[tri(hydroxytriethyleneoxy)silylpropyl] disulfide

Conditions

Conditions	Yield
With sodium ethanolate In ethanol at 150℃; under 20 Torr; for 2h; Under reduced presure;	99%

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

: 111-46-6
diethylene glycol

: bis[tri(hydroxydiethyleneoxy)silylpropyl]disulfide

Conditions

Conditions	Yield
With sodium ethanolate In ethanol at 150℃; under 20 Torr; for 2h;	99%

: 107-41-5
2-methyl-2,4-pentanediol

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

: bis (3-(2-methyl-2,4-pentanedioxyethoxysilyl)-1-propyl) disulfane

Conditions

Conditions	Yield
sulfuric acid In ethanol at 43 - 48℃; under 50 - 70 Torr; for 4h;	94.5%

: 1873-88-7
1,1,1,3,5,5,5-heptamethyltrisiloxan

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

: C16H42O5SSi4

Conditions

Conditions	Yield
With tris(pentafluorophenyl)borate In toluene for 3h; Inert atmosphere;	91.9%

: 112-72-1
1-Tetradecanol

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

: C90H186O6S2Si2

Conditions

Conditions	Yield
tetrabutoxytitanium at 120℃; under 37.5038 - 90.009 Torr; for 2.5 - 4h; Conversion of starting material;

: 112-53-8
1-dodecyl alcohol

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

: C78H162O6S2Si2

Conditions

Conditions	Yield
tetrabutoxytitanium at 120℃; under 37.5038 - 90.009 Torr; for 4h; Conversion of starting material;

: 36653-82-4
1-Hexadecanol

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

: C102H210O6S2Si2

Conditions

Conditions	Yield
tetrabutoxytitanium at 120 - 140℃; under 15.0015 - 600.06 Torr; for 5h; Conversion of starting material;

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

: 14814-09-6
3-Mercaptopropyltriethoxysilane

Conditions

Conditions	Yield
With hydrogen; E105Y/W 5percent Pd In ethanol at 155℃; under 38253.8 Torr; Product distribution / selectivity;
With hydrogen; CE 101 XR/W 5percent Pd + 1percent Sn In ethanol at 126℃; under 37503.8 Torr; for 0.916667h; Product distribution / selectivity;
With hydrogen; CE 105 XR/W 5percent Pd + 0.5percent Mo In ethanol at 154℃; under 37503.8 Torr; for 1.33333h; Product distribution / selectivity;
With hydrogen; E 105 XRS/W 5percent Pd; S doped In ethanol at 152℃; under 37503.8 Torr; for 2.28333h; Product distribution / selectivity;
With hydrogen; T-8027 (52percent Ni, doped with 2.4percent zirconium) In ethanol at 161 - 167℃; under 37503.8 Torr; for 2.03333 - 2.31667h; Product distribution / selectivity;

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

A: 14814-09-6
3-Mercaptopropyltriethoxysilane

B: 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℃; under 37503.8 Torr; for 2.2h; Product distribution / selectivity;

: 102-71-6
triethanolamine

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

A: 1038509-70-4
silatranylpropyl triethoxysilylpropyl disulfide

B: 883794-93-2
bis(silatranylpropyl) disulfide

Conditions

Conditions	Yield
sodium ethanolate In ethanol at 150℃; under 200 Torr; for 2h; Product distribution / selectivity;

...Expand

Bis(triethoxysilylpropyl) disulfide Specification

The 3,14-Dioxa-8,9-dithia-4,13-disilahexadecane,4,4,13,13-tetraethoxy- is an organic compound with the formula C₁₈H₄₂O₆S₂Si₂. The IUPAC name of this chemical is triethoxy-[3-(3-triethoxysilylpropyldisulfanyl)propyl]silane. With the CAS registry number 56706-10-6, it is also named as 4,4,13,13-Tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane. The product's categories are Industrial/Fine Chemicals; Sulfur; Adhesion Promoters; Coupling Agents; Dispersing Agents; Sulfur Silanes; Surface Modifiers.

Physical properties about 3,14-Dioxa-8,9-dithia-4,13-disilahexadecane,4,4,13,13-tetraethoxy- are: (1)ACD/LogP: 5.85; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 5.85; (4)ACD/LogD (pH 7.4): 5.85; (5)ACD/BCF (pH 5.5): 16367.72; (6)ACD/BCF (pH 7.4): 16367.72; (7)ACD/KOC (pH 5.5): 36137.66; (8)ACD/KOC (pH 7.4): 36137.66; (9)#H bond acceptors: 6; (10)#Freely Rotating Bonds: 21; (11)Polar Surface Area: 105.98 Å²; (12)Index of Refraction: 1.47; (13)Molar Refractivity: 129.34 cm³; (14)Molar Volume: 463.2 cm³; (15)Polarizability: 51.27×10^-24cm³; (16)Surface Tension: 30.1 dyne/cm; (17)Density: 1.024 g/cm³; (18)Flash Point: 222.1 °C; (19)Enthalpy of Vaporization: 67.42 kJ/mol; (20)Boiling Point: 443.5 °C at 760 mmHg; (21)Vapour Pressure: 1.2E-07 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
It is harmful by inhalation, in contact with skin and if swallowed. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Besides, this chemical is irritating to eyes, respiratory system and skin. When you are using it, wear suitable gloves and eye/face protection.

You can still convert the following datas into molecular structure:
(1)SMILES: O(CC)[Si](OCC)(OCC)CCCSSCCC[Si](OCC)(OCC)OCC
(2)InChI: InChI=1/C18H42O6S2Si2/c1-7-19-27(20-8-2,21-9-3)17-13-15-25-26-16-14-18-28(22-10-4,23-11-5)24-12-6/h7-18H2,1-6H3
(3)InChIKey: FBBATURSCRIBHN-UHFFFAOYAS
(4)Std. InChI: InChI=1S/C18H42O6S2Si2/c1-7-19-27(20-8-2,21-9-3)17-13-15-25-26-16-14-18-28(22-10-4,23-11-5)24-12-6/h7-18H2,1-6H3
(5)Std. InChIKey: FBBATURSCRIBHN-UHFFFAOYSA-N

Product Name

Bis(triethoxysilylpropyl) disulfide

Synthetic route

Bis(triethoxysilylpropyl) disulfide Specification

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