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Alcohols and polyols

1-Hydroxyethyl radical

Also known as Ethyl alcohol radical, Ethanol, ion(1-), Hydroxyethyl free radical

CAS 16331-64-9Formula C2H5O-Molar mass 45.06 g/mol
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1-Hydroxyethyl radical chemical structure, C2H5O-, CAS 16331-64-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
16331-64-9
Formula
C2H5O-
Molar mass
45.06 g/mol
HS code
220710
Category
Alcohols and polyols

What is 1-Hydroxyethyl radical?

Plain description, key identifiers and synonyms

Ethoxide is an organic anion that is the conjugate base of ethanol. It has a role as a Saccharomyces cerevisiae metabolite and a human metabolite. It is a conjugate base of an ethanol.

1-Hydroxyethyl radical is an anion, deprotonated ethanol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
ethanolate
CAS number
16331-64-9 CAS number cross-checked
Molecular formula
C2H5O-
InChIKey
HHFAWKCIHAUFRX-UHFFFAOYSA-N
InChI
InChI=1S/C2H5O/c1-2-3/h2H2,1H3/q-1
SMILES (canonical and isomeric)
CC[O-]

Synonyms

  • Ethyl alcohol radical
  • Ethanol, ion(1-)
  • Hydroxyethyl free radical
  • ethanolate
  • Ethoxide
  • ethoxy anion
  • ethanol at
  • Ethanol, ion(1-) (VAN)

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
45.06 g/molcalc.
Exact mass
45.0346 Dacalc.
LogP (octanol/water)
-0.63calc.
Topological polar surface area
23.06 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
3calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
-1calc.
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

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.

1-Hydroxyethyl radical suppliers

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1-Hydroxyethyl radical 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

Roles

  • Saccharomyces cerevisiae metabolite
  • animal metabolite
  • eukaryotic metabolite
  • fungal metabolite
  • human metabolite
  • mammalian metabolite
  • metabolite

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 1-Hydroxyethyl radical is traded under.

HS 2207.10Indicative HS code

Undenatured ethyl alcohol of an alcoholic strength by volume of 80 % vol or higher

Our trade statistics cover HS chapters 25 to 40 (minerals, chemicals, plastics and rubber). This code is in chapter 22, beverages, spirits and vinegar, which is not included yet.

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

The HS code shown for 1-Hydroxyethyl radical is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 1-Hydroxyethyl radical, based on the data on this page

What is 1-Hydroxyethyl radical?

Ethoxide is an organic anion that is the conjugate base of ethanol. It has a role as a Saccharomyces cerevisiae metabolite and a human metabolite. It is a conjugate base of an ethanol.

What is the CAS number of 1-Hydroxyethyl radical?

The CAS registry number of 1-Hydroxyethyl radical is 16331-64-9.

What is the molecular formula and weight of 1-Hydroxyethyl radical?

The molecular formula of 1-Hydroxyethyl radical is C2H5O- and its molar mass is 45.06 g/mol.

What is 1-Hydroxyethyl radical used for?

Known uses and roles of 1-Hydroxyethyl radical include saccharomyces cerevisiae metabolite, animal metabolite, eukaryotic metabolite, fungal metabolite, human metabolite and 2 more.

Is 1-Hydroxyethyl radical hazardous?

No GHS hazard classification for 1-Hydroxyethyl radical 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 1-Hydroxyethyl radical?

1-Hydroxyethyl radical is usually classified under HS code 220710 (Undenatured ethyl alcohol of an alcoholic strength by volume of 80 % vol or higher). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 1-Hydroxyethyl radical?

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What is the price of 1-Hydroxyethyl radical?

Suppliers quote 1-Hydroxyethyl radical 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 1-Hydroxyethyl radical

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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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