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Sulfur and phosphorus compounds

Cyclohexanethiol

Also known as Cyclohexyl mercaptan, Cyclohexyl thiol, Cyclohexylmercaptan

CAS 1569-69-3Formula C6H12SMolar mass 116.23 g/molEC 216-378-7
GHS signal word: Warning. Pictograms: Flammable, Harmful or irritant, Hazardous to the environment 1 supplier listed
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Cyclohexanethiol chemical structure, C6H12S, CAS 1569-69-3
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Liquid
Melting point
-118 °C
Boiling point
158.9 °C
Density
Relative density (water = 1): 0.98
Flash point
43 °C
HS code
293090
Category
Sulfur and phosphorus compounds
UN number
UN 3054
Illustrative photo, 25 litre white jerry cans of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Cyclohexanethiol?

Plain description, key identifiers and synonyms

Cyclohexanethiol appears as a colorless liquid with a strong disagreeable odor. Insoluble in water and less dense than water. Vapors heavier than air. Flash point near 50 °F.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
cyclohexanethiol
CAS number
1569-69-3 CAS number cross-checked
EC number
216-378-7
Molecular formula
C6H12S
UNII
N8HOD9900V
MDL number
MFCD00001455
InChIKey
CMKBCTPCXZNQKX-UHFFFAOYSA-N
InChI
InChI=1S/C6H12S/c7-6-4-2-1-3-5-6/h6-7H,1-5H2
SMILES (canonical and isomeric)
C1CCC(CC1)S

Synonyms

  • Cyclohexyl mercaptan
  • Cyclohexyl thiol
  • Cyclohexylmercaptan
  • Cyclohexylthiol
  • Cyklohexylmerkaptan
  • Cyklohexanthiol
  • Mercaptocyclohexane
  • 4-06-00-00072 (Beilstein Handbook Reference)
  • Cyklohexanthiol (Czech)
  • Cyklohexylmerkaptan (czech)
  • Hexahydrothiophenol
  • cyclohexanthiol
  • cyclohexane thiol
  • cyclohexane-thiol
  • cyclohexyl-mercaptan
  • Cyclohexanethiol, 97%
  • Cyclohexyl mercaptan [UN3054] [Flammable liquid]

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
Liquidexp.
Odour
Strong offensive odor.exp.
Melting point
-118 °Cexp.
Boiling point
158.9 °Cexp.
Density
Relative density (water = 1): 0.98exp.
Flash point
43 °Cexp.
Solubility
Solubility in water: noneexp.
Vapour pressure
Vapor pressure, kPa at 20 °C: 1.3exp.

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
116.23 g/molcalc.
Exact mass
116.066 Dacalc.
LogP (octanol/water)
2.25calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
7calc.
Rings
1calc.
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, C1CCCCC1

C1CCCCC1

1 ring, 6 atoms, the Cyclohexane ring system.

24,737 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS02: Flammable
Flammable
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment
200NFPA 704 rating

Hazard statements

  • H226Flammable liquid and vapour.
  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H332Harmful if inhaled.
  • H335May cause respiratory irritation.
  • H411Toxic to aquatic life with long lasting effects.
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.
  • 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.
  • 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 + 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.
  • P391Collect spillage.
  • 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.
UN number
UN 3054
Transport hazard class
3
Packing group
III

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

Cyclohexanethiol suppliers

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Where suppliers are based

1 supplier in 1 country

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Cyclohexanethiol 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

How it is made

Cyclohexene + hydrogen sulphide (thiolation)

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

Frequently asked questions

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

What is Cyclohexanethiol?

Cyclohexanethiol appears as a colorless liquid with a strong disagreeable odor. Insoluble in water and less dense than water. Vapors heavier than air. Flash point near 50 °F.

What is the CAS number of Cyclohexanethiol?

The CAS registry number of Cyclohexanethiol is 1569-69-3.

What is the molecular formula and weight of Cyclohexanethiol?

The molecular formula of Cyclohexanethiol is C6H12S and its molar mass is 116.23 g/mol.

What is Cyclohexanethiol used for?

Known uses and roles of Cyclohexanethiol include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Cyclohexanethiol hazardous?

Cyclohexanethiol carries the GHS signal word "Warning". Main hazards: flammable liquid and vapour, harmful if swallowed, causes skin irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Cyclohexanethiol?

Cyclohexanethiol 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 Cyclohexanethiol?

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

What is the price of Cyclohexanethiol?

Suppliers quote Cyclohexanethiol 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 Cyclohexanethiol

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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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