Tetra(ethylene glycol) dithiol - ≥97% , CAS No.2781-02-4

CAS: 2781-02-4 Cat. No.: T469021 Molecular Weight: 226.36 EC Number: 685-739-2 PubChem CID: 12090042
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
PEG-bis-Thiol, MW 5,000 | 2,2'-((OXYBIS(ETHANE-2,1-DIYL))BIS(OXY))BIS(ETHANE-1-THIOL) | BP-25327 | PEG-bis-Thiol, MW 10,000 | BP-22328 | Tetra(ethylene glycol) dithiol | 1,11-dimercapto-3,6,9-trioxaundecane | Tetra(ethylene glycol) dithiol, 97% | 2-[2-[2-
Storage
Store at 2-8°C
Shipped In
Wet ice
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Size
Status
Price
Qty
500mg
T469021-500mg
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$315.90

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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at 2-8°C Ships Wet ice Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
PEG-bis-Thiol, MW 5, 000 | 2, 2'-((OXYBIS(ETHANE-2, 1-DIYL))BIS(OXY))BIS(ETHANE-1-THIOL) | BP-25327 | PEG-bis-Thiol, MW 10, 000 | BP-22328 | Tetra(ethylene glycol) dithiol | 1, 11-dimercapto-3, 6, 9-trioxaundecane | Tetra(ethylene glycol) dithiol, 97% | 2-[2-[2-
Specifications & Purity
≥97%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%
Names and Identifiers
Canonical SmilesC(COCCS)OCCOCCS
IUPAC Name2-[2-[2-(2-sulfanylethoxy)ethoxy]ethoxy]ethanethiol
InChIKeyMCINHQIUGNVTLG-UHFFFAOYSA-N
INCHI1S/C8H18O3S2/c12-7-5-10-3-1-9-2-4-11-6-8-13/h12-13H,1-8H2
Isomeric SMILES C(COCCS)OCCOCCS
PubChem CID 12090042
UN Number 2810
Molecular Weight 226.36

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic oxygen compounds
ClassOrganooxygen compounds
SubclassEthers
Intermediate Tree Nodes Not available
Direct ParentDialkyl ethers
Alternative Parents Alkylthiols  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Dialkyl ether - Alkylthiol - Hydrocarbon derivative - Organosulfur compound - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as dialkyl ethers. These are organic compounds containing the dialkyl ether functional group, with the formula ROR', where R and R' are alkyl groups.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Chemical and Physical Properties
Refractive Indexn20/D 1.502
Flash Point(°F)Not applicable
Flash Point(°C)Not applicable
Molecular Weight226.400 g/mol
XLogP30.400
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count5
Rotatable Bond Count10
Exact Mass226.07 Da
Monoisotopic Mass226.07 Da
Topological Polar Surface Area29.700 Ų
Heavy Atom Count13
Formal Charge0
Complexity83.500
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
Reviews

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