Ingredient Dictionary

ACETALDEHYDE DIETHYL ACETAL

1,1-Diethoxyethane is an acetal.

Definition

1,1-Diethoxyethane is an acetal.

Source: PubChem

US FDA substance register · UNII 5G14F9E2HB · registered name Acetal · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Gives the product a scentPERFUMING

Safety & regulatory references

Not classified under Korea’s toxic-substance GHS list · existing chemical substance

Source: Korea toxic substances GHS register (NIER)

More data — names, identifiers, properties, test records, literature

Names & identifiers

ACETALDEHYDE DIETHYL ACETALINCIEthane, 1,1-diethoxy-Synonym

CAS No.chemical registry number: 105-57-7
EC No.EU chemical inventory number: 203-310-6
DTXSIDUS EPA chemical ID: DTXSID6030607
DTXCIDUS EPA compound ID: DTXCID4010607

IUPAC: 1,1-Diethoxyethane
Molecular formula: C6H14O2
Molecular weight: 118.176 g/mol

Measured properties

Appearance: Acetal appears as a clear colorless liquid with a pleasant odor. Boiling point 103-104 °C. Flash point -5 °F. Density 0.831 g / cm3. Slightly soluble in water. Vapors heavier than air. Moderately toxic and narcotic in high concentrations. · Colorless, volatile liquid with an agreeable odor, [Hawley]
Odour: PUNGENT, GREEN, WOODY SOLVENT ODOR
Boiling point: 216 °F at 760 mmHg (USCG, 1999) · 102.7 °C AT 760 MM HG, 66.3 °C AT 200 MM HG, 39.8 °C AT 60 MM HG, 31.9 °C AT 40 MM HG, 19.6 °C AT 20 MM HG, +8.0 °C AT 10 MM HG, -2.3 °C AT 5 MM HG, -23 °C AT 1.0 MM HG
Melting point: -148 °F (USCG, 1999) · -100 °C
Solubility: MISCIBLE WITH ALCOHOL, 60% ALCOHOL, ETHER, SOL IN HEPTANE, METHYLCYCLOHEXANE, ETHYL ACETATE, PROPYL, ISOPROPYL, BUTYL & ISOBUTYL ALCOHOLS, 100 G WATER DISSOLVE 5 G ACETAL · SOL IN CHLOROFORM
Density: 0.831 at 68 °F (USCG, 1999) - Less dense than water, will float · 0.8254 AT 20 °C/4 °C
Stability: Volatile, Stable to alkalies but readily decomposed by dilute acids.
Viscosity: Liquid viscosity = 2.1531X10-3 Pa.s @ 200 deg K
Colour: colourless
Flash point: 20 ℃
Water solubility: 19540 (NLM, ChemIDplus Lite)
Molecular weight: 118.18 (est.)

Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.

Source: PubChem · KOSHA safety data sheets (Korea)

What products actually use it for

What the 6 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

Flavouring and nutrient3
Fragrance3

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

4 skin studies and 2 eye studies are on record.

Classed as moderate1

The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.

See all 6 studies

Not classified
Skin Irritation · Screening
Classification not possible
Skin Sensitization · Screening
Category 6.3B (Category 3)
Skin Irritation · Read Across
Skin Irrit. 2
Skin Irritation · Authoritative
Eye Irrit. 2
Eye Irritation · Authoritative
Category 2B
Eye Irritation · Screening