ChemAbout

ChemAbout is a B2B platform where chemical buyers and suppliers discover each other.

Post a purchase requestList your products (for suppliers)
© 2026 ChemAbout
Compound Index|Demand Board|Insights|Exhibitions|Compliance|Help Center|Privacy Policy|Terms of Service|[email protected]
Home/Compounds/Industrial Chemical/Bis(triethoxysilylpropyl)tetrasulfide
C18H42O6S4Si2
539 g/mol
Industrial Chemical

4,4,15,15-Tetraethoxy-3,16-dioxa-8,9,10,11-tetrathia-4,15-disilaoctadecane

CAS40372-72-3EC254-896-5
Category
Industrial Chemical
Compound Class
Other
Primary Use
Binder

This compound is a bifunctional silane coupling agent containing tetrasulfide and triethoxysilyl groups. It is primarily used as a binder in industrial applications, particularly for promoting adhesion between organic polymers and inorganic materials.

Binder

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

Sourcing this compound?

Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.

Post a Purchase Request→Supplier? List your product for this CAS→

Related Compounds

SimilarStructure SimilarSimilarity 0.83

Bis(triethoxysilylpropyl) disulfide

CAS56706-10-6

Silane coupling agent

ApplicationSame Use

Trichloro(N,N-dimethyloctylamine)boron

CAS34762-90-8

Binder

ReferenceSame Category

2-Bromo-5-chloropyridine

CAS40473-01-6

Chemical intermediate for synthesis

ReferenceSame Category

N-(4-Acetyl-3-hydroxyphenyl)acetamide

CAS40547-58-8

intermediate for organic synthesis

ReferenceSame Category

1,1,2,2-Tetrafluoroethyl 2,2,2-Trifluoroethyl Ether

CAS406-78-0

Solvent for cleaning and degreasing

ReferenceSame Category

Antioxidant 1790

CAS40601-76-1

Antioxidant for polymers

Customs Tariff Classification

The international HS code for 4,4,15,15-Tetraethoxy-3,16-dioxa-8,9,10,11-tetrathia-4,15-disilaoctadecane (CAS 40372-72-3) is 2930.90.

HS code (international, 6-digit)

2930.90

EU CN code (8-digit)

2930 90 95

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

triethoxy-[3-(3-triethoxysilylpropyltetrasulfanyl)propyl]silane

InChIKey

VTHOKNTVYKTUPI-UHFFFAOYSA-N

SMILES

CCO[Si](CCCSSSSCCC[Si](OCC)(OCC)OCC)(OCC)OCC

Synonyms (19)
  • TESPTS

Sourcing this compound?

Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.

Post a Purchase Request→Supplier? List your product for this CAS→