CompoundList
Sign in
Sulfur and phosphorus compounds

Dithiooxamide

Also known as Ethanedithioamide, Rubeanic acid, Rubeane

CAS 79-40-3Formula C2H4N2S2Molar mass 120.20 g/molEC 201-203-9
GHS signal word: Warning. Pictograms: Harmful or irritant 5 suppliers listed
Get quotes Compare 5 suppliers
Dithiooxamide chemical structure, C2H4N2S2, CAS 79-40-3
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Red crystals or crystalline powder
Melting point
MP: SUBLIMES
Solubility
SLIGHTLY SOL IN WATER, SOL IN ALCOHOLS, INSOL IN ETHER
HS code
293090
Category
Sulfur and phosphorus compounds
Illustrative photo, red pigment powder in an open kraft paper sack in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Dithiooxamide?

Plain description, key identifiers and synonyms

Dithiooxamide is a chemical substance with the molecular formula C2H4N2S2 and a molar mass of 120.20 g/mol. Its CAS registry number is 79-40-3. The IUPAC name is ethanedithioamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
ethanedithioamide
CAS number
79-40-3 CAS number cross-checked
EC number
201-203-9
Molecular formula
C2H4N2S2
UNII
HE28T8Z08D
MDL number
MFCD00004941
InChIKey
OAEGRYMCJYIXQT-UHFFFAOYSA-N
InChI
InChI=1S/C2H4N2S2/c3-1(5)2(4)6/h(H2,3,5)(H2,4,6)
SMILES (canonical and isomeric)
C(=S)(C(=S)N)N

Synonyms

  • Ethanedithioamide
  • Rubeanic acid
  • Rubeane
  • Rubean
  • Hydrorubeanic acid
  • Dithioxamide
  • Oxamide, dithio-
  • USAF B-43
  • USAF EK-4394
  • USAF MK-6
  • Oxaldiimidic acid, dithio-
  • Oxalic acid, dithiono-, diamide
  • ethanebis(thioamide)
  • Dithio oxamide
  • Dithiooxalic diamide
  • RVK
  • 1,2-Ethanedisulfenamide
  • RubeanicAcid
  • 1,2-diaminoethane-1,2-dithione
  • Dithiooxamide, 97%
  • ethanediimidothioic acid
  • Dithiooxalic acid diamide
  • Dithiooxamide, p.a., 98.0%
  • Methyl6-(1-boc-piperidin-4-yloxy)indole-2-carboxylate
  • Dithiooxamide, for spectrophotometric det. of Cu, Os, Bi, Co, Cu, Fe, Ni, Os, Pt, Ru, >=98.5%

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

Appearance
Red crystals or crystalline powderexp.
Melting point
MP: SUBLIMESexp.
Solubility
SLIGHTLY SOL IN WATER, SOL IN ALCOHOLS, INSOL IN ETHERexp.

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
120.20 g/molcalc.
Exact mass
119.9816 Dacalc.
LogP (octanol/water)
-0.44calc.
Topological polar surface area
52.04 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
6calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
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

  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (19)
  • 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.
  • 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.
  • 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.
  • 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

Dithiooxamide suppliers

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

All 5 suppliers
5 of 5 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

5 suppliers in 5 countries

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Dithiooxamide price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Chemical intermediate.

As reagent for copper, cobalt, & nickel, as stabilizer of ascorbic acid solution.

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 Dithiooxamide 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 Dithiooxamide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Dithiooxamide, based on the data on this page

What is Dithiooxamide?

Dithiooxamide is a chemical substance with the molecular formula C2H4N2S2 and a molar mass of 120.20 g/mol. Its CAS registry number is 79-40-3. The IUPAC name is ethanedithioamide.

What is the CAS number of Dithiooxamide?

The CAS registry number of Dithiooxamide is 79-40-3.

What is the molecular formula and weight of Dithiooxamide?

The molecular formula of Dithiooxamide is C2H4N2S2 and its molar mass is 120.20 g/mol.

What is Dithiooxamide used for?

Chemical intermediate. As reagent for copper, cobalt, & nickel, as stabilizer of ascorbic acid solution.

Is Dithiooxamide hazardous?

Dithiooxamide carries the GHS signal word "Warning". Main hazards: harmful if swallowed, causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Dithiooxamide?

Dithiooxamide 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 Dithiooxamide?

CompoundList lists 5 suppliers of Dithiooxamide in Canada, China, Hong Kong, India and 1 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Dithiooxamide in India?

1 supplier in India list Dithiooxamide on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Dithiooxamide?

Suppliers quote Dithiooxamide 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 Dithiooxamide

Get quotes for Dithiooxamide

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Dithiooxamide
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Dithiooxamide with a 3D view, its CAS number and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/dithiooxamide-79-40-3" title="Dithiooxamide structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Sulfur and phosphorus compounds or HS code 293090

5 suppliers
Free quotes, contact stays private
Get quotes