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Amines and amides

Captamine

Also known as 2-(Dimethylamino)ethanethiol, Ethanethiol, 2-(dimethylamino)-, Captamina

CAS 108-02-1Formula C4H11NSMolar mass 105.21 g/molEC 203-543-3
GHS signal word: Danger. Pictograms: Flammable, Corrosive, Harmful or irritant
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Captamine chemical structure, C4H11NS, CAS 108-02-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
108-02-1
Formula
C4H11NS
Molar mass
105.21 g/mol
Physical form
Liquid
HS code
293090
Category
Amines and amides
Illustrative photo, a closed 1000 litre IBC tote in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Captamine?

Plain description, key identifiers and synonyms

This is a chemical weapon precursor or chemical weapon impurity which is similar to 2-diethylaminoethanol. See the chemical datasheet for 2-diethylaminoethanol for more information.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-(dimethylamino)ethanethiol
CAS number
108-02-1 CAS number cross-checkedOther or deprecated CAS: 13242-44-9
EC number
203-543-3
Molecular formula
C4H11NS
UNII
9FS0ENU0GR
InChIKey
DENMGZODXQRYAR-UHFFFAOYSA-N
InChI
InChI=1S/C4H11NS/c1-5(2)3-4-6/h6H,3-4H2,1-2H3
SMILES (canonical and isomeric)
CN(C)CCS

Synonyms

  • 2-(Dimethylamino)ethanethiol
  • Ethanethiol, 2-(dimethylamino)-
  • Captamina
  • N-Dimethyl cysteamin
  • Captaminum
  • (2-Mercaptoethyl)dimethylamine
  • (Dimethylamino)ethyl mercaptan
  • N,N-(2-dimethylamino)ethanethiol
  • p-Butylthiobenzhydryl-2-dimethylaminoethyl-sulfid
  • 2-(p-(Butylthio)benzhydrylthio)-N,N-dimethylethylamin
  • 2-(dimethylamino)-ethanethiol
  • n-(2-mercaptoethyl)dimethylamine
  • 4-04-00-01579 (Beilstein Handbook Reference)
  • Captaminum (INN-Latin)
  • Captamina (INN-Spanish)
  • 2-(N,N-Dimethylamino)ethanethiol
  • N,N-Dimethylcysteamine
  • 2-(dimethylamino)ethane-1-thiol
  • 2-Dimethylaminoethanethiol
  • dimethyl(2-sulfanylethyl)amine
  • N-dimethylcysteamine
  • N, N-Dimethylcysteamine hydrochloride
  • N-Dimethyl cysteamine
  • 2-dimethylamino-ethanethiol
  • (dimethylamino)ethylmercaptan
Show all 28 synonyms
  • 2-(Dimethylamino)-1-ethanethiol
  • 2-(Dimethylamino)ethyl hydrosulfide
  • N, N-Dimethyl-2-aminoethanethiol hydrochloride

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.

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
105.21 g/molcalc.
Exact mass
105.0612 Dacalc.
LogP (octanol/water)
0.48calc.
Topological polar surface area
3.24 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
6calc.
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
GHS02: Flammable
Flammable
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H226Flammable liquid and vapour.
  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H314Causes severe skin burns and eye damage.
  • H332Harmful if inhaled.
  • H335May cause respiratory irritation.
Precautionary statements (31)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • 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.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P352If on skin: Wash with plenty of water.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • 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.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P363Wash contaminated clothing before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • 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

Captamine suppliers

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Captamine 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

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Captamine 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 Captamine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Captamine?

This is a chemical weapon precursor or chemical weapon impurity which is similar to 2-diethylaminoethanol. See the chemical datasheet for 2-diethylaminoethanol for more information.

What is the CAS number of Captamine?

The CAS registry number of Captamine is 108-02-1. Other or deprecated CAS numbers: 13242-44-9.

What is the molecular formula and weight of Captamine?

The molecular formula of Captamine is C4H11NS and its molar mass is 105.21 g/mol.

What is Captamine used for?

Known uses and roles of Captamine include building blocks in research and laboratory.

Is Captamine hazardous?

Captamine carries the GHS signal word "Danger". Main hazards: flammable liquid and vapour, 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 Captamine?

Captamine 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 Captamine?

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What is the price of Captamine?

Suppliers quote Captamine 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 Captamine

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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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