Bis(2-hydroxyethyl) Disulfide - ≥98% , CAS No.1892-29-1

CAS: 1892-29-1 Cat. No.: B598951 Formula: C4H10O2S2 Molecular Weight: 154.24 Beilstein Registry Number: 1471 EC Number: 217-576-6
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
Tox21_302181 | 2,2'-Disulfanediylbis(ethan-1-ol) | MFCD00002906 | NSC33920 | NSC-33920 | USAF TH-9 | J-012208 | DTXSID4044404 | E82252 | 2,2'-Dithiodiethanol | 2,2-dithiodiethanol | 2-hydroxy ethyldisulfide | Hydroxyethyl disulfide | InChI=1/C4H10O2S2/c5-
Storage
Room temperature,Argon charged
Shipped In
Normal
★
Size
Germany (EU)
USA*
Price
Qty
1g
B598951-1g
—
5 In stock
€8.59
5g
B598951-5g
—
2 In stock
€13.80
25g
B598951-25g
—
2 In stock
€51.98
100g
B598951-100g
—
1 In stock
€173.46
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Argon charged Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

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

📚

Literature proof

Cited in 108 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

2-Hydroxyethyldisulfide (HEDS) is an organosulfur compound ​that belongs to the class ofdialkyl disulfides and has a disulfide bond -S-S- between two hydroxyethylgroups. In material science, HEDS is used as a precursor to form self-assembledmonolayers (SAMs) on gold surfaces for applications such as corrosionprotection, lubrication, and sensors. In addition, 2-hydroxyethyl disulfide isalso used as a reducing agent in organic synthesis and as a crosslinking agentin the production of rubber compounds.


Application:

2-Hydroxyethyl disulfide can be used as:
A chain extender in the preparation of waterborne self-healing polyurethane, which is used in leather coating.
As a precursor in the synthesis of multifunctional initiator, which is used in the preparation of star polystyrenes by atom transfer radical polymerization of styrene.
A starting material to prepare a disulfide-based branching agent. This branching agent is used to synthesize highly branched poly(2-hydroxypropyl methacrylate).

Specifications

Synonyms
Tox21_302181 | 2,2'-Disulfanediylbis(ethan-1-ol) | MFCD00002906 | NSC33920 | NSC-33920 | USAF TH-9 | J-012208 | DTXSID4044404 | E82252 | 2,2'-Dithiodiethanol | 2,2-dithiodiethanol | 2-hydroxy ethyldisulfide | Hydroxyethyl disulfide | InChI=1/C4H10O2S2/c5-
Specifications & Purity
≥98%
Storage
Room temperature,Argon charged
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/504752721
Canonical Smiles
C(CSSCCO)O
IUPAC Name
2-(2-hydroxyethyldisulfanyl)ethanol
InChIKey
KYNFOMQIXZUKRK-UHFFFAOYSA-N
INCHI
1S/C4H10O2S2/c5-1-3-7-8-4-2-6/h5-6H,1-4H2
Isomeric SMILES
C(CSSCCO)O
RTECS
KK7525000
Molecular Weight
154.24
Beilstein
1471
Reaxy-Rn
1735851
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1735851&ln=

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.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganosulfur compounds
ClassOrganic disulfides
SubclassDialkyldisulfides
Intermediate Tree Nodes Not available
Direct ParentDialkyldisulfides
Alternative Parents Sulfenyl compounds  Primary alcohols  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Dialkyldisulfide - Sulfenyl compound - Organic oxygen compound - Hydrocarbon derivative - Primary alcohol - Organooxygen compound - Alcohol - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as dialkyldisulfides. These are organic compounds containing a disulfide group R-SS-R' where R and R' are both alkyl groups.
External Descriptors a small molecule
3D Structure
Interactive Chemical Structure Model





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.

27 results found

Lot NumberCertificate TypeDateItem
H2607319Certificate of AnalysisJul 22, 2026 B598951
H2607318Certificate of AnalysisJul 22, 2026 B598951
H2607317Certificate of AnalysisJul 22, 2026 B598951
G2628006Certificate of AnalysisJul 13, 2026 B598951
B2625455Certificate of AnalysisJan 31, 2026 B598951
B2625456Certificate of AnalysisJan 31, 2026 B598951
B2625457Certificate of AnalysisJan 31, 2026 B598951
H2528146Certificate of AnalysisAug 14, 2025 B598951
H2528147Certificate of AnalysisAug 14, 2025 B598951
C2504348Certificate of AnalysisJan 07, 2025 B598951
C2504211Certificate of AnalysisJan 07, 2025 B598951
C2504245Certificate of AnalysisJan 07, 2025 B598951
H2428411Certificate of AnalysisAug 15, 2024 B598951
H2428412Certificate of AnalysisAug 15, 2024 B598951
D2428154Certificate of AnalysisApr 11, 2024 B598951
D2428155Certificate of AnalysisApr 11, 2024 B598951
D2428156Certificate of AnalysisApr 11, 2024 B598951
D2428157Certificate of AnalysisApr 11, 2024 B598951
D2428158Certificate of AnalysisApr 11, 2024 B598951
A2503214Certificate of AnalysisApr 11, 2024 B598951
K2308037Certificate of AnalysisNov 17, 2023 B598951
K2308026Certificate of AnalysisNov 17, 2023 B598951
K2308036Certificate of AnalysisNov 17, 2023 B598951
K2308035Certificate of AnalysisNov 13, 2023 B598951
H2324278Certificate of AnalysisAug 31, 2023 B598951
H2324277Certificate of AnalysisAug 30, 2023 B598951
H2324276Certificate of AnalysisAug 29, 2023 B598951
Chemical and Physical Properties
SensitivityAir sensitive
Refractive Index1.57
Flash Point(°F)233.6 °F
Flash Point(°C)>110 ℃
Boil Point(°C)158-163℃
Melt Point(°C)25℃
Molecular Weight154.300 g/mol
XLogP3-0.500
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count5
Exact Mass154.012 Da
Monoisotopic Mass154.012 Da
Topological Polar Surface Area91.100 Ų
Heavy Atom Count8
Formal Charge0
Complexity37.000
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
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

Frequently Asked Questions

What is the purity of this product?
This product is supplied at ≥98% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.
How should this product be stored?
Store at room temperature under argon. It is supplied under an argon blanket; reseal under inert gas after each use.
How is this product shipped?
This product ships under standard ambient conditions. No temperature-controlled packaging is required.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 1892-29-1, the molecular formula is C4H10O2S2, and the molecular weight is 154.24 g/mol. InChIKey KYNFOMQIXZUKRK-UHFFFAOYSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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