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Sulfur and phosphorus compounds

Hydroxyethyl disulfide

Also known as 2-Hydroxyethyl disulfide, 2,2'-Dithiodiethanol, Bis(2-hydroxyethyl) disulfide

CAS 1892-29-1Formula C4H10O2S2Molar mass 154.26 g/molEC 217-576-6
GHS signal word: Danger. Pictograms: Corrosive, Acute toxicity (severe), Harmful or irritant, Hazardous to the environment 6 suppliers listed
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Hydroxyethyl disulfide chemical structure, C4H10O2S2, CAS 1892-29-1
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Liquid
Boiling point
160 °C
Density
1.261 @25 °C
HS code
293090
Category
Sulfur and phosphorus compounds
Illustrative photo, 200 litre blue HDPE drums of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Hydroxyethyl disulfide?

Plain description, key identifiers and synonyms

2,2'-dithiodiethanol is an organic disulfide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-(2-hydroxyethyldisulfanyl)ethanol
CAS number
1892-29-1 CAS number cross-checked
EC number
217-576-6
Molecular formula
C4H10O2S2
UNII
45543L74BS
MDL number
MFCD00002906
InChIKey
KYNFOMQIXZUKRK-UHFFFAOYSA-N
InChI
InChI=1S/C4H10O2S2/c5-1-3-7-8-4-2-6/h5-6H,1-4H2
SMILES (canonical and isomeric)
C(CSSCCO)O

Synonyms

  • 2-Hydroxyethyl disulfide
  • 2,2'-Dithiodiethanol
  • Bis(2-hydroxyethyl) disulfide
  • Ethanol, 2,2'-dithiobis-
  • Diethanol disulfide
  • 2-(2-hydroxyethyldisulfanyl)ethanol
  • 2-Hydroxyethane disulfide
  • 3,4-Dithia-1,6-hexanediol
  • beta-Hydroxyethyl disulfide
  • Ethanol, 2,2'-dithiodi-
  • HEDS compound
  • bis-(2-hydroxyethyl)-disulfide
  • 2,2'-disulfanediyldiethanol
  • 2,2'-Dithiobisethanol
  • USAF TH-9
  • 2-Hydroxyethanedisulfide
  • 2-Mercaptoethanol disulfide
  • 2,2'-Disulfanediylbis(ethan-1-ol)
  • Bis(2-hydroxyethyl)disulfide
  • 2-[(2-hydroxyethyl)disulfanyl]ethan-1-ol
  • Bis(2-hydroxyethyl) disulfide, tech. 90%
  • HED
  • 3,6-hexanediol
  • 2-hydroxyethyldisulfide
  • Ethanol,2'-dithiodi-
Show all 36 synonyms
  • 2-hydroxyethyldisulphide
  • Ethanol,2'-dithiobis-
  • 2-hydroxy ethyldisulfide
  • 2-hydroxy-ethyl disulfide
  • 4-01-00-02442 (Beilstein Handbook Reference)
  • di-(2-hydroxyethyl) disulfide
  • 2-Hydroxyethyldisulfide, 90%
  • bis (2-hydroxyethyl) disulfide
  • 2,2/'-Dithiodiethanol
  • Kynfomqixzukrk-uhfffaoysa-
  • Hydroxyethyl disulphide, 2-

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Physical form
Liquidexp.
Boiling point
160 °Cexp.
Density
1.261 @25 °Cexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
154.26 g/molcalc.
Exact mass
154.0122 Dacalc.
LogP (octanol/water)
0.35calc.
Topological polar surface area
40.46 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
5calc.
Heavy atoms
8calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H301 + H311Toxic if swallowed. Toxic in contact with skin.
  • H301Toxic if swallowed.
  • H302Harmful if swallowed.
  • H311Toxic in contact with skin.
  • H317May cause an allergic skin reaction.
  • H318Causes serious eye damage.
  • H319Causes serious eye irritation.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (24)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Hydroxyethyl disulfide suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 6 suppliers
6 of 6 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

6 suppliers in 3 countries

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Hydroxyethyl disulfide price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Industrial uses: Intermediate.

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Hydroxyethyl disulfide is traded under.

HS 2930.90Indicative HS code

Organo-sulphur compounds, other

World exports in 2024
$5.83B
+0.1% vs 2023, imports $5.93B
2019 to 2024
Top exporters
  1. China40.7%
  2. United States10.9%
  3. Japan9.3%
Top importers
  1. United States13.3%
  2. Brazil12.6%
  3. China6.6%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Hydroxyethyl disulfide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Hydroxyethyl disulfide, based on the data on this page

What is Hydroxyethyl disulfide?

2,2'-dithiodiethanol is an organic disulfide.

What is the CAS number of Hydroxyethyl disulfide?

The CAS registry number of Hydroxyethyl disulfide is 1892-29-1.

What is the molecular formula and weight of Hydroxyethyl disulfide?

The molecular formula of Hydroxyethyl disulfide is C4H10O2S2 and its molar mass is 154.26 g/mol.

What is Hydroxyethyl disulfide used for?

Industrial uses: Intermediate.

Is Hydroxyethyl disulfide hazardous?

Hydroxyethyl disulfide carries the GHS signal word "Danger". Main hazards: toxic if swallowed. toxic in contact with skin, toxic if swallowed, harmful if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Hydroxyethyl disulfide?

Hydroxyethyl disulfide is usually classified under HS code 293090 (Organo-sulphur compounds, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Hydroxyethyl disulfide?

CompoundList lists 6 suppliers of Hydroxyethyl disulfide in United States, China and Canada. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Hydroxyethyl disulfide?

Suppliers quote Hydroxyethyl disulfide on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Hydroxyethyl disulfide

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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