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Bis(triethoxysilylpropyl) disulfide

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Origin: China

Cas No: 56706-10-6

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 56706-10-6 Formula: C18H42O6S2Si2 Molecular Weight: 474.82300

Basic Info

Chemical Name	Bis(triethoxysilylpropyl) disulfide
Synonyms	4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane; Silane coupler SG-Si996; A-1589;
CAS No.	56706-10-6
Molecular Formula	C18H42O6S2Si2
Molecular Weight	474.82300
PSA	105.98000
LogP	5.24480

Properties

Appearance & Physical State	Yellowish clear liquid
Density	1.024 g/cm3
Boiling Point	443.5ºC at 760 mmHg
Melting Point	ºC
Refractive Index	1.457

Safety Info

Safety Statements	S26; S36/37/39
Risk Statements	R20/21/22

Synthesis Route

Bis[3-(Triethoxysilyl)Propyl]Tetrasulfide+Octanoyl chloride→S-(3-triethoxysilylpropyl) octanethioate+ethyl octanoate
3-Chloropropyltriethoxysilane→3-Mercaptopropyltriethoxysilane+triethoxy-[3-(3-triethoxysilylpropylsulfanyl)propyl]silane
3-Chloropropyltriethoxysilane→triethoxy-[3-(3-triethoxysilylpropylsulfanyl)propyl]silane+Bis(triethoxysilylpropyl) disulfide

Precursor

3-Mercaptopropyltriethoxysilane
<i>N</i>-Cyclohexyl-2-benzothiazolylsulfenamide
3-Chloropropyltriethoxysilane
2-Mercaptobenzothiazole

Downstream Product

S-(3-triethoxysilylpropyl) octanethioate
3-Mercaptopropyltriethoxysilane
ethyl octanoate
3-Chloropropyltriethoxysilane

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