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Synthetic aroma chemicals

Acetal

Also known as 1,1-Diethoxyethane, Acetaldehyde diethyl acetal, Diethyl acetal

CAS 105-57-7Formula C6H14O2Molar mass 118.18 g/molEC 203-310-6
GHS signal word: Danger. Pictograms: Flammable, Harmful or irritant 78 suppliers listed
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Acetal chemical structure, C6H14O2, CAS 105-57-7
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless liquid
Melting point
-100 °C
Boiling point
102.7 °C
Density
Relative density (water = 1): 0.83
Flash point
-21 °C
HS code
290960
Category
Synthetic aroma chemicals
UN number
UN 1088
Illustrative photo, clear liquid in sealed glass ampoules on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Acetal?

Plain description, key identifiers and synonyms

1,1-Diethoxyethane is an acetal.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1,1-diethoxyethane
CAS number
105-57-7 CAS number cross-checked
EC number
203-310-6
Molecular formula
C6H14O2
UNII
5G14F9E2HB
MDL number
MFCD00009243
INCI name
ACETALDEHYDE DIETHYL ACETAL
InChIKey
DHKHKXVYLBGOIT-UHFFFAOYSA-N
InChI
InChI=1S/C6H14O2/c1-4-7-6(3)8-5-2/h6H,4-5H2,1-3H3
SMILES (canonical and isomeric)
CCOC(C)OCC

Synonyms

  • 1,1-Diethoxyethane
  • Acetaldehyde diethyl acetal
  • Diethyl acetal
  • Diethylacetal
  • Ethane, 1,1-diethoxy-
  • Diaethylacetal
  • Acetale
  • Ethylidene diethyl ether
  • Acetal diethylique
  • Acetaal
  • 1,1-Dietossietano
  • 1,1-Diethoxy-ethaan
  • 1,1-Diaethoxy-aethan
  • Acetaldehyde, diethyl acetal
  • Ethylidenediethyl ether
  • Acetaldehyde ethyl acetal
  • USAF DO-45
  • Acetals
  • 1,1-diethoxy-ethane
  • acetaldehyde diethylacetal
  • Capsicum annuum l
  • Diethoxy-1,1-ethane
  • Ethylidine diethyl ether
  • CH3CH(OC2H5)2
  • Ethane, diethoxy-
Show all 31 synonyms
  • Acetal (natural)
  • diethoxy-ethane
  • Acetal resin
  • Cadco acetal
  • Acetron GP
  • Aceton NS

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

Appearance
Colorless liquidexp.
Odour
PUNGENT, GREEN, WOODY SOLVENT ODORexp.
Taste
WHISKEY TASTEexp.
Melting point
-100 °Cexp.
Boiling point
102.7 °Cexp.
Density
Relative density (water = 1): 0.83exp.
Flash point
-21 °Cexp.
Autoignition temperature
230 °Cexp.
Solubility
MISCIBLE WITH ALCOHOL, 60% ALCOHOL, ETHER, SOL IN HEPTANE, METHYLCYCLOHEXANE, ETHYL ACETATE, PROPYL, ISOPROPYL, BUTYL & ISOBUTYL ALCOHOLS, 100 G WATER DISSOLVE 5 G ACETALexp.
Vapour pressure
27.6 mm Hg at 25 °C /from experimentally derived coefficients/exp.

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
118.18 g/molcalc.
Exact mass
118.0994 Dacalc.
LogP (octanol/water)
1.41calc.
Topological polar surface area
18.46 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
4calc.
Heavy atoms
8calc.
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
320NFPA 704 rating

Hazard statements

  • H225Highly flammable liquid and vapour.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
Precautionary statements (19)
  • 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.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • 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.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • 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 + P235Store in a well-ventilated place. Keep cool.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 1088
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

Acetal suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 78 suppliers
30 of 30 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

78 suppliers in 18 countries

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Acetal 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

Solvent, in organic syntheses, hypnotic.

Solvent in perfumes.

Synthetic flavoring ingredient.

Used in cosmetics.

Cosmetic ingredient, INCI name ACETALDEHYDE DIETHYL ACETAL(perfuming)

Functional uses

  • Flavouring and nutrient
  • Fragrance

Cosmetic functions

  • Perfuming

How it is made

Addition of ethanol to acetylene in the presence of boron trifluoride and mercuric oxide catalyst, addition of ethanol to divinyl ether in the presence of boron trifluoride

From acetaldehyde and alcohol in presence of anhydrous calcium chloride or of small quantities of mineral acid.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 605-015-00-1

Health and food

  • EU cosmetic ingredient inventory

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 Acetal is traded under.

HS 2909.60Exact HS code

Alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides…

World exports in 2024
$498M
−0.2% vs 2023, imports $522M
2019 to 2024
Top exporters
  1. China46.5%
  2. Germany16.2%
  3. United States10.1%
Top importers
  1. United States11.4%
  2. Germany8.4%
  3. South Korea7.3%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Acetal is indicative (it was matched by name in the HS nomenclature). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Acetal, based on the data on this page

What is Acetal?

1,1-Diethoxyethane is an acetal.

What is the CAS number of Acetal?

The CAS registry number of Acetal is 105-57-7.

What is the molecular formula and weight of Acetal?

The molecular formula of Acetal is C6H14O2 and its molar mass is 118.18 g/mol.

What is Acetal used for?

Solvent, in organic syntheses, hypnotic. Solvent in perfumes. Synthetic flavoring ingredient. Used in cosmetics.

Is Acetal hazardous?

Acetal carries the GHS signal word "Danger". Main hazards: highly 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 Acetal?

Acetal is usually classified under HS code 290960 (Alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Acetal?

CompoundList lists 78 suppliers of Acetal in China, United States, United Kingdom, Germany and 14 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Acetal in India?

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

What is the price of Acetal?

Suppliers quote Acetal 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 Acetal

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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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