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Bis[3-(triethoxysilyl)propyl] tetrasulfide - 90%, high purity , CAS No.40372-72-3

27 Citations

COA

Grade & Purity:

≥90%

Cas Number: 40372-72-3
Molecular Weight: 538.95
Beilstein Registry Number: 2062235
EC Number: 254-896-5
MDL number: MFCD00053751
PubChem CID: 162012
PubChem SID: 488188345

In stock

Item Number

B115359

Grouped product items
SKU	Size	Availability	Price
B115359-5ml	5ml	5	$55.90
B115359-25ml	25ml	4	$172.90
B115359-100ml	100ml	5	$412.90
B115359-500ml	500ml	Available within 4-8 weeks(?) Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!	$1,236.90

View related series

Silane coupling agent (10)

Basic Description

Synonyms	TESPTS \| 4,4,15,15-Tetraethoxy-3,16-dioxa-8,9,10,11-tetrathia-4,15-disilaoctadecane \| DTXSID3029362 \| bis(3-triethoxysilylpropyl)tetrasulfane \| bis(triethoxysilylpropyl)tetrasulfide \| Bis[3-(triethoxysilyl)propyl]tetrasulfide \| bis(3-(triethoxysilyl)propy
Specifications & Purity	≥90%
Storage Temp	Room temperature
Shipped In	Normal

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Organometallic compounds
  - Class Organometalloid compounds
    - Subclass Organosilicon compounds
      - Level5 Alkoxysilanes
        Level6 Trialkoxysilanes

Kingdom	Organic compounds
Superclass	Organometallic compounds
Class	Organometalloid compounds
Subclass	Organosilicon compounds
Intermediate Tree Nodes	Alkoxysilanes
Direct Parent	Trialkoxysilanes
Alternative Parents	Silyl ethers Sulfenyl compounds Organoheterosilanes Organic metalloid salts Organooxygen compounds Hydrocarbon derivatives
Molecular Framework	Aliphatic acyclic compounds
Substituents	Trialkoxysilane - Silyl ether - Organoheterosilane - Organic metalloid salt - Sulfenyl compound - Organic oxygen compound - Hydrocarbon derivative - Organic salt - Organosulfur compound - Organooxygen compound - Aliphatic acyclic compound
Description	This compound belongs to the class of organic compounds known as trialkoxysilanes. These are organosilicon compounds with the general formula RO[Si](R')(OR'')OR''' (R-R''' = aliphatic organyl group).
External Descriptors	Not available
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

Names and Identifiers

Pubchem Sid	488188345
Pubchem Sid Url	https://pubchem.ncbi.nlm.nih.gov/substance/488188345
IUPAC Name	triethoxy-[3-(3-triethoxysilylpropyltetrasulfanyl)propyl]silane
INCHI	InChI=1S/C18H42O6S4Si2/c1-7-19-29(20-8-2,21-9-3)17-13-15-25-27-28-26-16-14-18-30(22-10-4,23-11-5)24-12-6/h7-18H2,1-6H3
InChIKey	VTHOKNTVYKTUPI-UHFFFAOYSA-N
Smiles	CCO[Si](CCCSSSSCCC[Si](OCC)(OCC)OCC)(OCC)OCC
Isomeric SMILES	CCO[Si](CCCSSSSCCC[Si](OCC)(OCC)OCC)(OCC)OCC
WGK Germany	1
Molecular Weight	538.95
Beilstein	2062235
Reaxy-Rn	2062235
Reaxys-RN_link_address	https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2062235&ln=

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

22 results found

Lot Number	Certificate Type	Date	Item
I2217132	Certificate of Analysis	Jul 09, 2025	B115359
G2501268	Certificate of Analysis	Jun 23, 2025	B115359
G2501269	Certificate of Analysis	Jun 23, 2025	B115359
G2501270	Certificate of Analysis	Jun 23, 2025	B115359
H2204339	Certificate of Analysis	May 12, 2025	B115359
H2204338	Certificate of Analysis	May 12, 2025	B115359
E2515161	Certificate of Analysis	Jun 22, 2024	B115359
E2515162	Certificate of Analysis	Jun 22, 2024	B115359
G2329141	Certificate of Analysis	Jun 16, 2023	B115359
G2329147	Certificate of Analysis	Jun 16, 2023	B115359
G2329130	Certificate of Analysis	Jun 16, 2023	B115359
A2517083	Certificate of Analysis	Jun 16, 2023	B115359
I2217161	Certificate of Analysis	Aug 29, 2022	B115359
I2217117	Certificate of Analysis	Aug 29, 2022	B115359
B2307214	Certificate of Analysis	Aug 29, 2022	B115359
B2307121	Certificate of Analysis	Aug 29, 2022	B115359
G2205169	Certificate of Analysis	Jul 08, 2022	B115359
H2204351	Certificate of Analysis	Jun 20, 2022	B115359
H2204337	Certificate of Analysis	Jun 20, 2022	B115359
B2307112	Certificate of Analysis	Jun 20, 2022	B115359
F1927039	Certificate of Analysis	May 05, 2022	B115359
C2218053	Certificate of Analysis	Mar 23, 2022	B115359

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Chemical and Physical Properties

Solubility	Miscible with toluene, primary alcohols, ketones, benzene, chlorinated hydrocarbons, acetonitrile, dimethylformaminde and dimethysulfoxide. Immiscible with water
Refractive Index	1.49
Flash Point(°F)	212 °F
Flash Point(°C)	91°C
Boil Point(°C)	250°C
Molecular Weight	539.000 g/mol
XLogP3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	10
Rotatable Bond Count	23
Exact Mass	538.14 Da
Monoisotopic Mass	538.14 Da
Topological Polar Surface Area	157.000 Å²
Heavy Atom Count	30
Formal Charge	0
Complexity	321.000
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	0
Covalently-Bonded Unit Count	1

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