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Fungicides

Dtdm

Also known as 4,4'-Dithiodimorpholine, Morpholine, 4,4'-dithiobis-, Morpholine disulfide

CAS 103-34-4Formula C8H16N2O2S2Molar mass 236.36 g/molEC 203-103-0
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 28 suppliers listed
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Dtdm chemical structure, C8H16N2O2S2, CAS 103-34-4
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Crystals
Melting point
125 °C
Density
1.36 @ 25 °C
Flash point
121.1 °C
HS code
293499
Category
Fungicides
Illustrative photo, drums, an IBC tote and sacks in a chemical warehouse in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Dtdm?

Plain description, key identifiers and synonyms

Dtdm is a chemical substance with the molecular formula C8H16N2O2S2 and a molar mass of 236.36 g/mol. Its CAS registry number is 103-34-4. The IUPAC name is 4-(morpholin-4-yldisulfanyl)morpholine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-(morpholin-4-yldisulfanyl)morpholine
CAS number
103-34-4 CAS number cross-checked
EC number
203-103-0
Molecular formula
C8H16N2O2S2
UNII
M786P489YF
MDL number
MFCD00023319
InChIKey
HLBZWYXLQJQBKU-UHFFFAOYSA-N
InChI
InChI=1S/C8H16N2O2S2/c1-5-11-6-2-9(1)13-14-10-3-7-12-8-4-10/h1-8H2
SMILES (canonical and isomeric)
C1COCCN1SSN2CCOCC2

Synonyms

  • 4,4'-Dithiodimorpholine
  • Morpholine, 4,4'-dithiobis-
  • Morpholine disulfide
  • Accel R
  • 4,4'-Dithiomorpholine
  • Morpholino disulfide
  • Dimorpholine disulfide
  • Dimorpholino disulfide
  • Deovulc M
  • Sanfel R
  • Bismorpholino disulfide
  • Dithiobismorpholine
  • Morpholinodisulfide
  • Vanax A
  • Disulfide, dimorpholino-
  • Usaf ek-t-6645
  • Usaf B-17
  • Vulnoc
  • 4,4'-Dithiobismorpholine
  • Dimorpholine N,N'-disulfide
  • 4,4'-Dithiobis(morpholine)
  • N,N'-Bismorpholine disulfide
  • Morpholine, 4,4'-dithiodi-
  • Morpholine, N,N'-disulfide-
  • N,N'-Dithiodimorpholine
Show all 38 synonyms
  • Sulfasan
  • 4,4-Dithiodimorpholine
  • N,N'-Dimorpholine Disulfide
  • Sulfasan R
  • 4-(morpholin-4-yldisulfanyl)morpholine
  • N,N-Dithiodimorpholine
  • Di(morpholin-4-yl) disulphide
  • N,N'-Dithiodimorfolin
  • Dithiodimorpholine
  • Dithiobis(morpholine)
  • 4-(morpholinodisulfanyl)morpholine
  • 1,2-dimorpholinodisulfane
  • 4-(4-Morpholinyldisulfanyl)morpholine

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
Crystalsexp.
Melting point
125 °Cexp.
Density
1.36 @ 25 °Cexp.
Flash point
121.1 °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
236.36 g/molcalc.
Exact mass
236.0653 Dacalc.
LogP (octanol/water)
0.86calc.
Topological polar surface area
24.94 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
3calc.
Heavy atoms
14calc.
Rings
2calc.
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.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, C1CN(SSN2CCOCC2)CCO1

C1CN(SSN2CCOCC2)CCO1

2 rings, 14 atoms. This chemical is the scaffold itself.

1 other chemical share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H315Causes skin irritation.
  • H317May cause an allergic skin reaction.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (20)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • 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.
  • 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).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • 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

Dtdm suppliers

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

All 28 suppliers
28 of 28 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

28 suppliers in 6 countries

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Dtdm 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

Staining protector in rubber, in vulcanization of rubber, fungicide.

Organosulfur accelerator.

Accelerator for natural & synthetic rubbers.

Vulcanizer (sulfur donor) for natural & synthetic rubbers.

Industrial uses: Other, Polymerization promoter.

Consumer uses: Polymerization promoter.

Functional uses

  • Chemical reaction regulator
  • Processing aids not otherwise specified

How it is made

Blake, j am chem soc 65, 1267 (1943), blake, us patent 2,343,524 (1944 to monsanto), harman, us patent 2,766,236 and british patent 774,570 (1956, 1957, both to monsanto). Lambrech et al, us patent 2,902,402 (1959 to pfizer). ... As fungicide: ladd, us patent 2,429,097 (1949 to us rubber).

Oxidative coupling of 4-thiomorpholine with molecular oxygen in the presence of an aqueous caustic agent & catalyst

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 Dtdm is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Dtdm?

Dtdm is a chemical substance with the molecular formula C8H16N2O2S2 and a molar mass of 236.36 g/mol. Its CAS registry number is 103-34-4. The IUPAC name is 4-(morpholin-4-yldisulfanyl)morpholine.

What is the CAS number of Dtdm?

The CAS registry number of Dtdm is 103-34-4.

What is the molecular formula and weight of Dtdm?

The molecular formula of Dtdm is C8H16N2O2S2 and its molar mass is 236.36 g/mol.

What is Dtdm used for?

Staining protector in rubber, in vulcanization of rubber, fungicide. Organosulfur accelerator. Accelerator for natural & synthetic rubbers. Vulcanizer (sulfur donor) for natural & synthetic rubbers. Industrial uses: Other, Polymerization promoter. Consumer uses: Polymerization promoter.

Is Dtdm hazardous?

Dtdm carries the GHS signal word "Warning". Main hazards: causes skin irritation, may cause an allergic skin reaction, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Dtdm?

Dtdm is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Dtdm?

CompoundList lists 28 suppliers of Dtdm in China, United States, Japan, India and 2 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Dtdm in India?

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

What is the price of Dtdm?

Suppliers quote Dtdm 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 Dtdm

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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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