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Cosmetic ingredients

Diethoxymethane

Also known as Diethoxy methane, Ethylal, Formaldehyde diethyl acetal

CAS 462-95-3Formula C5H12O2Molar mass 104.15 g/molEC 207-330-6
GHS signal word: Danger. Pictograms: Flammable, Harmful or irritant 13 suppliers listed
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Diethoxymethane chemical structure, C5H12O2, CAS 462-95-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
462-95-3
Formula
C5H12O2
Physical form
Liquid
HS code
291100
Category
Cosmetic ingredients
UN number
UN 2373
Illustrative photo, 200 litre blue HDPE drums of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Diethoxymethane?

Plain description, key identifiers and synonyms

Diethoxymethane appears as a colorless volatile liquid with an agreeable odor. Less dense than water. Vapors heavier than air. May be narcotic in high concentrations. Used as a solvent and in the manufacture of cosmetics.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
ethoxymethoxyethane
CAS number
462-95-3 CAS number cross-checked
EC number
207-330-6
Molecular formula
C5H12O2
UNII
56IT408V5Y
MDL number
MFCD00009246
INCI name
ETHYLAL
InChIKey
KLKFAASOGCDTDT-UHFFFAOYSA-N
InChI
InChI=1S/C5H12O2/c1-3-6-5-7-4-2/h3-5H2,1-2H3
SMILES (canonical and isomeric)
CCOCOCC

Synonyms

  • Diethoxy methane
  • Ethylal
  • Formaldehyde diethyl acetal
  • Diethylformal
  • Methane, diethoxy-
  • Ethoxymethyl ethyl ether
  • 1,1-Diethoxymethane
  • 3,5-Dioxaheptene
  • Ethane, 1,1'-[methylenebis(oxy)]bis-
  • 3,5-Dioxaheptane
  • Ethane, 1,1'-(methylenebis(oxy))bis-
  • 4-01-00-03027 (Beilstein Handbook Reference)
  • UN 2373
  • ethoxymethoxyethane
  • (ethoxymethoxy)ethane
  • Methylene Glycol Diethyl Ether
  • 1-(Ethoxymethoxy)ethane
  • formaldehyde diethylacetal
  • formaldehyde-diethylacetal
  • 1-(Ethoxymethoxy)ethane #
  • Formaldehyde, diethyl acetal
  • CH2(OC2H5)2
  • Ethane,1'-[methylenebis(oxy)]bis-
  • Diethoxymethane [UN2373] [Flammable liquid]
  • Diethoxymethane, 99.7%, contains 50-150 ppm BHT as stabilizer
Show all 26 synonyms
  • Formaldehyde diethyl acetal, absolute, over molecular sieve (H2O <=0.01%), >=99.0% (GC)

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
104.15 g/molcalc.
Exact mass
104.0837 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
7calc.
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.
  • 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.
UN number
UN 2373
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

Diethoxymethane suppliers

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

All 13 suppliers
13 of 13 offers

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Where suppliers are based

13 suppliers in 6 countries

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Diethoxymethane 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

Industrial uses: Intermediate.

Cosmetic ingredient, INCI name ETHYLAL(solvent)

Functional uses

  • Flavouring and nutrient
  • Solvent

Cosmetic functions

  • Solvent

Regulatory status

Inventories, regulations and trade controls that list this substance

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

Frequently asked questions

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

What is Diethoxymethane?

Diethoxymethane appears as a colorless volatile liquid with an agreeable odor. Less dense than water. Vapors heavier than air. May be narcotic in high concentrations. Used as a solvent and in the manufacture of cosmetics.

What is the CAS number of Diethoxymethane?

The CAS registry number of Diethoxymethane is 462-95-3.

What is the molecular formula and weight of Diethoxymethane?

The molecular formula of Diethoxymethane is C5H12O2 and its molar mass is 104.15 g/mol.

What is Diethoxymethane used for?

Industrial uses: Intermediate.

Is Diethoxymethane hazardous?

Diethoxymethane 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 Diethoxymethane?

Diethoxymethane 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 Diethoxymethane?

CompoundList lists 13 suppliers of Diethoxymethane in China, India, United States, Belgium and 2 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Diethoxymethane in India?

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

What is the price of Diethoxymethane?

Suppliers quote Diethoxymethane 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 Diethoxymethane

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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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