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Mining and flotation reagents

Diethyl xanthate

Also known as O,S-Diethyl dithiocarbonate, Ethyl O-ethylxanthate, Ethyl S-ethyl xanthate

CAS 623-79-0Formula C5H10OS2Molar mass 150.27 g/molEC 210-813-4
GHS signal word: Warning. Pictograms: Harmful or irritant
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Diethyl xanthate chemical structure, C5H10OS2, CAS 623-79-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
623-79-0
Formula
C5H10OS2
Molar mass
150.27 g/mol
EC number
210-813-4
HS code
293090
Category
Mining and flotation reagents

What is Diethyl xanthate?

Plain description, key identifiers and synonyms

Diethyl xanthate is a chemical substance with the molecular formula C5H10OS2 and a molar mass of 150.27 g/mol. Its CAS registry number is 623-79-0. The IUPAC name is O-ethyl ethylsulfanylmethanethioate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
O-ethyl ethylsulfanylmethanethioate
CAS number
623-79-0 CAS number cross-checked
EC number
210-813-4
Molecular formula
C5H10OS2
UNII
V1R102TJNP
InChIKey
JGZZEAPGGFAOAY-UHFFFAOYSA-N
InChI
InChI=1S/C5H10OS2/c1-3-6-5(7)8-4-2/h3-4H2,1-2H3
SMILES (canonical and isomeric)
CCOC(=S)SCC

Synonyms

  • O,S-Diethyl dithiocarbonate
  • Ethyl O-ethylxanthate
  • Ethyl S-ethyl xanthate
  • Carbonodithioic acid, O,S-diethyl ester
  • Carbonic acid, dithio-, O,S-diethyl ester
  • Ethyl S-ethylxanthate
  • Xanthic acid, ethyl-, ethyl ester
  • Carbonic acid, dithio-, O,S-diethyl ester (8CI)
  • ethoxy(ethylsulfanyl)methanethione
  • O-ethyl ethylsulfanylmethanethioate
  • o,s-diethyl carbonodithioate
  • Ethyl ethyl xanthate
  • O,S-Diethyldithiocarbonate
  • Ethyl-ethylxanthate
  • diethyldithiocarbonate
  • dithiocarbonic acid O,S-diethyl ester
  • Carbonic acid, O,S-diethyl ester
  • Carbonodithioic acid,S-diethyl ester

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

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

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
150.27 g/molcalc.
Exact mass
150.0173 Dacalc.
LogP (octanol/water)
2.06calc.
Topological polar surface area
9.23 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
2calc.
Heavy atoms
8calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.8calc.
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
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H227Combustible liquid.
  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H332Harmful if inhaled.
  • H335May cause respiratory irritation.
  • H412Harmful to aquatic life with long lasting effects.
Precautionary statements (24)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • 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.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403Store in a well-ventilated place.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • 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

Diethyl xanthate suppliers

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Diethyl xanthate price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Inactive 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 Diethyl xanthate 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 Diethyl xanthate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Diethyl xanthate, based on the data on this page

What is Diethyl xanthate?

Diethyl xanthate is a chemical substance with the molecular formula C5H10OS2 and a molar mass of 150.27 g/mol. Its CAS registry number is 623-79-0. The IUPAC name is O-ethyl ethylsulfanylmethanethioate.

What is the CAS number of Diethyl xanthate?

The CAS registry number of Diethyl xanthate is 623-79-0.

What is the molecular formula and weight of Diethyl xanthate?

The molecular formula of Diethyl xanthate is C5H10OS2 and its molar mass is 150.27 g/mol.

Is Diethyl xanthate hazardous?

Diethyl xanthate carries the GHS signal word "Warning". Main hazards: combustible liquid, harmful if swallowed, harmful in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Diethyl xanthate?

Diethyl xanthate 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 Diethyl xanthate?

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What is the price of Diethyl xanthate?

Suppliers quote Diethyl xanthate 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 Diethyl xanthate

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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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