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Sulfur and phosphorus compounds

4-Ethoxybenzenethiol

Also known as 4-ethoxybenzene-1-thiol, 4-Ethoxythiophenol, p-ethoxythiophenol

CAS 699-09-2Formula C8H10OSMolar mass 154.23 g/molEC 879-524-4
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4-Ethoxybenzenethiol chemical structure, C8H10OS, CAS 699-09-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
699-09-2
Formula
C8H10OS
Molar mass
154.23 g/mol
EC number
879-524-4
HS code
293090
Category
Sulfur and phosphorus compounds

What is 4-Ethoxybenzenethiol?

Plain description, key identifiers and synonyms

4-Ethoxybenzenethiol is a chemical substance with the molecular formula C8H10OS and a molar mass of 154.23 g/mol. Its CAS registry number is 699-09-2.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-ethoxybenzenethiol
CAS number
699-09-2 CAS number cross-checked
EC number
879-524-4
Molecular formula
C8H10OS
MDL number
MFCD07847842
InChIKey
OXWOIUVGAWIZQQ-UHFFFAOYSA-N
InChI
InChI=1S/C8H10OS/c1-2-9-7-3-5-8(10)6-4-7/h3-6,10H,2H2,1H3
SMILES (canonical and isomeric)
CCOC1=CC=C(C=C1)S

Synonyms

  • 4-ethoxybenzene-1-thiol
  • 4-Ethoxythiophenol
  • p-ethoxythiophenol
  • p-ethoxybenzenethiol

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

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

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
154.23 g/molcalc.
Exact mass
154.0452 Dacalc.
LogP (octanol/water)
2.37calc.
Topological polar surface area
9.23 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
10calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.25calc.
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 Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

4-Ethoxybenzenethiol suppliers

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4-Ethoxybenzenethiol 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 4-Ethoxybenzenethiol 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 4-Ethoxybenzenethiol is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 4-Ethoxybenzenethiol, based on the data on this page

What is 4-Ethoxybenzenethiol?

4-Ethoxybenzenethiol is a chemical substance with the molecular formula C8H10OS and a molar mass of 154.23 g/mol. Its CAS registry number is 699-09-2.

What is the CAS number of 4-Ethoxybenzenethiol?

The CAS registry number of 4-Ethoxybenzenethiol is 699-09-2.

What is the molecular formula and weight of 4-Ethoxybenzenethiol?

The molecular formula of 4-Ethoxybenzenethiol is C8H10OS and its molar mass is 154.23 g/mol.

What is 4-Ethoxybenzenethiol used for?

Known uses and roles of 4-Ethoxybenzenethiol include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 4-Ethoxybenzenethiol hazardous?

No GHS hazard classification for 4-Ethoxybenzenethiol 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 4-Ethoxybenzenethiol?

4-Ethoxybenzenethiol 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 4-Ethoxybenzenethiol?

Post a free request on CompoundList and suppliers of 4-Ethoxybenzenethiol will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 4-Ethoxybenzenethiol?

Suppliers quote 4-Ethoxybenzenethiol 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 4-Ethoxybenzenethiol

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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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