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Ethers, epoxides and acetals

Ethyl propyl ether

Also known as 1-Ethoxypropane, Propane, 1-ethoxy-, Ether, ethyl propyl

CAS 628-32-0Formula C5H12OMolar mass 88.15 g/molEC 211-036-3
GHS signal word: Danger. Pictograms: Flammable, Harmful or irritant
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Ethyl propyl ether chemical structure, C5H12O, CAS 628-32-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
628-32-0
Formula
C5H12O
Physical form
Liquid
HS code
290919
Category
Ethers, epoxides and acetals
UN number
UN 2615
Illustrative photo, closed blue jerry cans in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Ethyl propyl ether?

Plain description, key identifiers and synonyms

Ethyl propyl ether appears as a colorless liquid with an ether-like odor. Less dense than water. Vapors heavier than air. Used to make other chemicals.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-ethoxypropane
CAS number
628-32-0 CAS number cross-checked
EC number
211-036-3
Molecular formula
C5H12O
MDL number
MFCD00015215
InChIKey
NVJUHMXYKCUMQA-UHFFFAOYSA-N
InChI
InChI=1S/C5H12O/c1-3-5-6-4-2/h3-5H2,1-2H3
SMILES (canonical and isomeric)
CCCOCC

Synonyms

  • 1-Ethoxypropane
  • Propane, 1-ethoxy-
  • Ether, ethyl propyl
  • n-C3H7OC2H5
  • Nvjuhmxykcumqa-uhfffaoysa-
  • UN 2615
  • Propane, 1-ethoxy-(9CI)
  • Ethyl n-propyl ether
  • Propyl ethyl ether
  • 3-Ethoxypropane
  • 1-Ethoxypropane, AldrichCPR
  • Ethyl propyl ether [UN2615] [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

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
88.15 g/molcalc.
Exact mass
88.0888 Dacalc.
LogP (octanol/water)
1.43calc.
Topological polar surface area
9.23 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
3calc.
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
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H225Highly flammable liquid and vapour.
  • H302Harmful if swallowed.
  • H336May cause drowsiness or dizziness.
Precautionary statements (21)
  • 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.
  • 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.
  • 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.
  • P319Get medical help if you feel unwell.
  • P330Rinse mouth.
  • 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.
UN number
UN 2615
Transport hazard class
3
Packing group
II

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

Ethyl propyl ether suppliers

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

Frequently asked questions

Quick answers about Ethyl propyl ether, based on the data on this page

What is Ethyl propyl ether?

Ethyl propyl ether appears as a colorless liquid with an ether-like odor. Less dense than water. Vapors heavier than air. Used to make other chemicals.

What is the CAS number of Ethyl propyl ether?

The CAS registry number of Ethyl propyl ether is 628-32-0.

What is the molecular formula and weight of Ethyl propyl ether?

The molecular formula of Ethyl propyl ether is C5H12O and its molar mass is 88.15 g/mol.

What is Ethyl propyl ether used for?

Known uses and roles of Ethyl propyl ether include building blocks in research and laboratory.

Is Ethyl propyl ether hazardous?

Ethyl propyl ether carries the GHS signal word "Danger". Main hazards: highly flammable liquid and vapour, harmful if swallowed, may cause drowsiness or dizziness. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Ethyl propyl ether?

Ethyl propyl ether 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 Ethyl propyl ether?

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What is the price of Ethyl propyl ether?

Suppliers quote Ethyl propyl ether 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 Ethyl propyl ether

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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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