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Aliphatic and alicyclic building blocks

Selenium dimethyldithiocarbamate

Also known as Methyl selenac, Selenium tetrakis(dimethyldithiocarbamate), Selenium, tetrakis(dimethyldithiocarbamato)-

CAS 144-34-3Formula C12H24N4S8SeMolar mass 559.85 g/molEC 205-624-9
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Selenium dimethyldithiocarbamate chemical structure, C12H24N4S8Se, CAS 144-34-3
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Yellow powder or crystals
Melting point
140 to 172
Density
1.58
Solubility
SLIGHTLY SOL IN CARBON DISULFIDE, BENZENE, CHLOROFORM, INSOL IN WATER, DILUTE CAUSTIC, G…
HS code
293020
Category
Aliphatic and alicyclic building blocks
Illustrative photo, yellow pigment powder in a glass jar on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Selenium dimethyldithiocarbamate?

Plain description, key identifiers and synonyms

Methyl selenac is a thiocarbonyl compound.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
[tris(dimethylcarbamothioylsulfanyl)-λ4-selanyl] N,N-dimethylcarbamodithioate
CAS number
144-34-3 CAS number cross-checked
EC number
205-624-9
Molecular formula
C12H24N4S8Se
UNII
10C3RYF6QG
InChIKey
HXKCUQDTMDYZJD-UHFFFAOYSA-N
InChI
InChI=1S/C12H24N4S8Se/c1-13(2)9(17)21-25(22-10(18)14(3)4,23-11(19)15(5)6)24-12(20)16(7)8/h1-8H3
SMILES (canonical and isomeric)
CN(C)C(=S)S[Se](SC(=S)N(C)C)(SC(=S)N(C)C)SC(=S)N(C)C

Synonyms

  • Methyl selenac
  • Selenium tetrakis(dimethyldithiocarbamate)
  • Selenium, tetrakis(dimethyldithiocarbamato)-
  • Tetrakis(dimethylcarbamodithioato-S,S')selenium
  • Tatrakis(dimethyl carbamodithioato-S,S')selenium
  • Selenium, tetrakis(dimethylcarbamodithioato-S)-, (T-4)-
  • Carbamodithioic acid, dimethyl-, tetraanhydrosulfide with orthothioselenious acid
  • Carbamodithioic acid, N,N-dimethyl-, tetraanhydrosulfide with orthothioselenious acid
  • Tetrakis(dimethyldithiocarbamato)-selenium
  • Methyl selenac (iarc)
  • N,N-dimethyl({tris[(dimethylcarbamothioyl)sulfanyl]-lambda4-selanyl}sulfanyl)carbothioamide
  • N,N-dimethyl((tris((dimethylcarbamothioyl)sulfanyl)-lambda4-selanyl)sulfanyl)carbothioamide
  • Selenium dimethyldithiocarbamic acid
  • Selenium, tetrakis(dimethyldithiocarbamato)
  • Tetrakis(dimethylcarbamodithioatoS,S')selenium
  • Tatrakis(dimethyl carbamodithioatoS,S')selenium
  • Selenium, tetrakis(dimethylcarbamodithioatoS), (T4)
  • Selenium, tetrakis(dimethylcarbamodithioato-s)-, t-4)-
  • Carbamodithioic acid, N,Ndimethyl, tetraanhydrosulfide with orthothioselenious acid
  • [tris(dimethylcarbamothioylsulfanyl)-lambda4-selanyl] N,N-dimethylcarbamodithioate
  • 3,3-bis{[(dimethylamino)carbonothioyl]thio}-N,N,6-trimethyl-1,5-dithioxo-2,4-dithia-3lambda~4~-selena-6-azaheptan-1-amine
  • l4-selanetetrayl tetrakis(dimethylcarbamodithioate)
  • 3,3-Bis[(dimethylcarbamothioyl)sulfanyl]-N,N,6-trimethyl-1,5-bis(sulfanylidene)-2,4-dithia-3lambda~4~-selena-6-azaheptan-1-amine

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
Yellow powder or crystalsexp.
Melting point
140 to 172exp.
Density
1.58exp.
Solubility
SLIGHTLY SOL IN CARBON DISULFIDE, BENZENE, CHLOROFORM, INSOL IN WATER, DILUTE CAUSTIC, GASOLINEexp.

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
559.85 g/molcalc.
Exact mass
559.8932 Dacalc.
LogP (octanol/water)
3.74calc.
Topological polar surface area
12.96 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
8calc.
Rotatable bonds
4calc.
Heavy atoms
25calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.67calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS classification
Hazard pictograms

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

Selenium dimethyldithiocarbamate suppliers

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Selenium dimethyldithiocarbamate 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

Vulcanization accelerator.

Functional uses

  • Chemical reaction regulator

How it is made

Reaction of dimethylamine, carbon disulfide and selenium dioxide in an alcoholic solution.

Prepn of water-insoluble dialkyldithiocarbamate metal salts is pptn of metal salt from aq prepn of sodium dialkyldithiocarbamate.

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 Selenium dimethyldithiocarbamate is traded under.

HS 2930.20Indicative HS code

Thiocarbamates and dithiocarbamates

World exports in 2024
$377M
−5.5% vs 2023, imports $372M
2019 to 2024
Top exporters
  1. China49.2%
  2. Germany11.2%
  3. Japan9.7%
Top importers
  1. India * partner reported12.2%
  2. Australia12.1%
  3. United States7.1%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Selenium dimethyldithiocarbamate, based on the data on this page

What is Selenium dimethyldithiocarbamate?

Methyl selenac is a thiocarbonyl compound.

What is the CAS number of Selenium dimethyldithiocarbamate?

The CAS registry number of Selenium dimethyldithiocarbamate is 144-34-3.

What is the molecular formula and weight of Selenium dimethyldithiocarbamate?

The molecular formula of Selenium dimethyldithiocarbamate is C12H24N4S8Se and its molar mass is 559.85 g/mol.

What is Selenium dimethyldithiocarbamate used for?

Vulcanization accelerator.

Is Selenium dimethyldithiocarbamate hazardous?

No GHS hazard classification for Selenium dimethyldithiocarbamate is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Selenium dimethyldithiocarbamate?

Selenium dimethyldithiocarbamate is usually classified under HS code 293020 (Thiocarbamates and dithiocarbamates). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Selenium dimethyldithiocarbamate?

CompoundList lists 1 supplier of Selenium dimethyldithiocarbamate in India. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Selenium dimethyldithiocarbamate in India?

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What is the price of Selenium dimethyldithiocarbamate?

Suppliers quote Selenium dimethyldithiocarbamate 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 Selenium dimethyldithiocarbamate

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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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