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Ethers, epoxides and acetals

3,3-Diethoxypropyne

Also known as 3,3-diethoxyprop-1-yne, 3,3-Diethoxy-1-propyne, Propargylaldehyde diethyl acetal

CAS 10160-87-9Formula C7H12O2Molar mass 128.17 g/molEC 233-430-4
GHS signal word: Warning. Pictograms: Flammable, Harmful or irritant 6 suppliers listed
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3,3-Diethoxypropyne chemical structure, C7H12O2, CAS 10160-87-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
10160-87-9
Formula
C7H12O2
Molar mass
128.17 g/mol
Physical form
Liquid
HS code
291100
Category
Ethers, epoxides and acetals
Illustrative photo, 200 litre steel drums of liquid in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is 3,3-Diethoxypropyne?

Plain description, key identifiers and synonyms

3,3-Diethoxypropyne is a chemical substance with the molecular formula C7H12O2 and a molar mass of 128.17 g/mol. Its CAS registry number is 10160-87-9. The IUPAC name is 3,3-diethoxyprop-1-yne.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3,3-diethoxyprop-1-yne
CAS number
10160-87-9 CAS number cross-checkedOther or deprecated CAS: 36678-60-1
EC number
233-430-4
Molecular formula
C7H12O2
UNII
9WJT2CB9DS
MDL number
MFCD00009237
InChIKey
RGUXEWWHSQGVRZ-UHFFFAOYSA-N
InChI
InChI=1S/C7H12O2/c1-4-7(8-5-2)9-6-3/h1,7H,5-6H2,2-3H3
SMILES (canonical and isomeric)
CCOC(C#C)OCC

Synonyms

  • 3,3-diethoxyprop-1-yne
  • 3,3-Diethoxy-1-propyne
  • Propargylaldehyde diethyl acetal
  • 1-Propyne, 3,3-diethoxy-
  • Propiolaldehyde diethyl acetal
  • Propynal diethyl acetal
  • 3,3-diethoxy-propyne
  • 1,1-diethoxyprop-2-yne
  • 1,1-diethoxy-2-propyne
  • 3,3-diethoxy-1-propine
  • 3,3-diethyloxyprop-1-yne
  • 3,3-diethoxy-prop-1-yne
  • propiolaldehyde diethylacetal
  • propargylaldehyde diethylacetal
  • 2-Propyn-1-al diethyl acetal
  • Propargyl aldehyde diethylacetal
  • Rguxewwhsqgvrz-uhfffaoysa-
  • 3,3-Diethoxy-1-propyne, 97%
  • Propargylaldehydediethylacetal

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
128.17 g/molcalc.
Exact mass
128.0837 Dacalc.
LogP (octanol/water)
1.02calc.
Topological polar surface area
18.46 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
4calc.
Heavy atoms
9calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.71calc.
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
Warning
GHS02: Flammable
Flammable
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H226Flammable liquid and vapour.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (25)
  • 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.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • 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.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • 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.
  • 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.

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

3,3-Diethoxypropyne suppliers

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Where suppliers are based

6 suppliers in 3 countries

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3,3-Diethoxypropyne 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 3,3-Diethoxypropyne is traded under.

HS 2911.00Indicative HS code

Acetals and hemiacetals whether or not with other oxygen function, and their halogenated, sulphonated…

World exports in 2024
$73.2M
+3.8% vs 2023, imports $76.5M
2019 to 2024
Top exporters
  1. Belgium16.9%
  2. China14.5%
  3. Germany13.7%
Top importers
  1. United States13.3%
  2. China12.2%
  3. Spain8.7%
Reported customs values in USD, not prices.Full trade data

The HS code shown for 3,3-Diethoxypropyne is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 3,3-Diethoxypropyne, based on the data on this page

What is 3,3-Diethoxypropyne?

3,3-Diethoxypropyne is a chemical substance with the molecular formula C7H12O2 and a molar mass of 128.17 g/mol. Its CAS registry number is 10160-87-9. The IUPAC name is 3,3-diethoxyprop-1-yne.

What is the CAS number of 3,3-Diethoxypropyne?

The CAS registry number of 3,3-Diethoxypropyne is 10160-87-9. Other or deprecated CAS numbers: 36678-60-1.

What is the molecular formula and weight of 3,3-Diethoxypropyne?

The molecular formula of 3,3-Diethoxypropyne is C7H12O2 and its molar mass is 128.17 g/mol.

What is 3,3-Diethoxypropyne used for?

Known uses and roles of 3,3-Diethoxypropyne include building blocks in research and laboratory.

Is 3,3-Diethoxypropyne hazardous?

3,3-Diethoxypropyne carries the GHS signal word "Warning". Main hazards: flammable liquid and vapour, causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 3,3-Diethoxypropyne?

3,3-Diethoxypropyne is usually classified under HS code 291100 (Acetals and hemiacetals, whether or not with other oxygen function, and their…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 3,3-Diethoxypropyne?

CompoundList lists 6 suppliers of 3,3-Diethoxypropyne in China, India and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy 3,3-Diethoxypropyne in India?

1 supplier in India list 3,3-Diethoxypropyne on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of 3,3-Diethoxypropyne?

Suppliers quote 3,3-Diethoxypropyne 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 3,3-Diethoxypropyne

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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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