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Ethers, epoxides and acetals

2-Ethoxybutane

Also known as sec-Butyl ethyl ether, Butane, 2-ethoxy-, Ethyl sec-butyl ether

CAS 2679-87-0Formula C6H14OMolar mass 102.18 g/molEC 220-234-9
GHS signal word: Danger. Pictograms: Flammable 1 supplier listed
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2-Ethoxybutane chemical structure, C6H14O, CAS 2679-87-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
2679-87-0
Formula
C6H14O
Molar mass
102.18 g/mol
Physical form
Liquid
HS code
290919
Category
Ethers, epoxides and acetals
Illustrative photo, 200 litre blue HDPE drums of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is 2-Ethoxybutane?

Plain description, key identifiers and synonyms

2-ethoxy-Butane is an ether.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-ethoxybutane
CAS number
2679-87-0 CAS number cross-checked
EC number
220-234-9
Molecular formula
C6H14O
UNII
9NHX6V19XI
MDL number
MFCD00053773
InChIKey
VSCUCHUDCLERMY-UHFFFAOYSA-N
InChI
InChI=1S/C6H14O/c1-4-6(3)7-5-2/h6H,4-5H2,1-3H3
SMILES (canonical and isomeric)
CCC(C)OCC

Synonyms

  • sec-Butyl ethyl ether
  • Butane, 2-ethoxy-
  • Ethyl sec-butyl ether
  • 2-Ethoxy-Butane
  • 4-01-00-01572 (Beilstein Handbook Reference)
  • (+-)-2-Ethoxybutane
  • 2-Ethoxybutane, (+-)-
  • Ether, sec-butyl ethyl
  • sec-C4H9OC2H5
  • Aethylather
  • exthoxy butane
  • (+/-)-2-Ethoxybutane
  • sec-Butyl ethyl ether, AldrichCPR
  • 2-Ethoxybutane, (+/-)-

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
102.18 g/molcalc.
Exact mass
102.1045 Dacalc.
LogP (octanol/water)
1.82calc.
Topological polar surface area
9.23 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
3calc.
Heavy atoms
7calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
1calc.
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

Hazard statements

  • H224Extremely flammable liquid and vapour.
Precautionary statements (11)
  • 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.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • 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

2-Ethoxybutane suppliers

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Where suppliers are based

1 supplier in 1 country

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2-Ethoxybutane 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

Functional uses

  • Flavouring and nutrient
  • Fragrance

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 2-Ethoxybutane is traded under.

HS 2909.19Indicative HS code

Acyclic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives…

World exports in 2024
$10.2B
−8.7% vs 2023, imports $10.4B
2019 to 2024
Top exporters
  1. United States32.0%
  2. China22.3%
  3. Saudi Arabia12.9%
Top importers
  1. Singapore16.5%
  2. Mexico14.8%
  3. Japan14.8%
Reported customs values in USD, not prices.Full trade data

The HS code shown for 2-Ethoxybutane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2-Ethoxybutane, based on the data on this page

What is 2-Ethoxybutane?

2-ethoxy-Butane is an ether.

What is the CAS number of 2-Ethoxybutane?

The CAS registry number of 2-Ethoxybutane is 2679-87-0.

What is the molecular formula and weight of 2-Ethoxybutane?

The molecular formula of 2-Ethoxybutane is C6H14O and its molar mass is 102.18 g/mol.

What is 2-Ethoxybutane used for?

Known uses and roles of 2-Ethoxybutane include building blocks in research and laboratory, flavouring and nutrient and fragrance.

Is 2-Ethoxybutane hazardous?

2-Ethoxybutane carries the GHS signal word "Danger". Main hazards: extremely flammable liquid and vapour. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 2-Ethoxybutane?

2-Ethoxybutane is usually classified under HS code 290919 (Acyclic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2-Ethoxybutane?

CompoundList lists 1 supplier of 2-Ethoxybutane in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 2-Ethoxybutane?

Suppliers quote 2-Ethoxybutane 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 2-Ethoxybutane

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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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