Ingredient Dictionary

PHENYLACETALDEHYDE DIMETHYL ACETAL

1,1-Dimethoxy-2-phenylethane is a member of benzenes.

Definition

PADMA

1,1-Dimethoxy-2-phenylethane is a member of benzenes.

US FDA substance register · UNII P8C94L4MUR · registered name PHENYL ACETALDEHYDE DIMETHYL 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

PHENYLACETALDEHYDE DIMETHYL ACETALINCIBenzene, (2,2-dimethoxyethyl)-Synonym

CAS No.chemical registry number: 101-48-4
EC No.EU chemical inventory number: 202-945-6
DTXSIDUS EPA chemical ID: DTXSID3047001
DTXCIDUS EPA compound ID: DTXCID1027001

IUPAC: (2,2-Dimethoxyethyl)benzene
Molecular formula: C10H14O2
Molecular weight: 166.22 g/mol

Measured properties

Appearance: Liquid · Colourless liquid, powerful green-earthy, flower stem like odour
Boiling point: 219.00 to 221.00 °C. @ 754.00 mm Hg · 219 °C
Solubility: Insoluble in water, soluble in oils, propylene glycol · 1 mL in 2 mL 70% ethanol (in ethanol)
Density: 1.000-1.006
Colour: colourless
Melting/freezing point: -0.08 ℃
Initial boiling point and range: 219 ℃(at 754.00 mm Hg)
Flash point: 86.11 ℃
Vapour pressure: 0.13000 ㎜Hg (25.00 °C)
Water solubility: 68.34 ㎎/ℓ
Relative density: 1.000-1.006
n-Octanol/water partition coefficient (Kow): 1.93
Molecular weight: 166.22

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 24 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.

Fragrance22
Flavouring and nutrient2

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

1 skin studies and 1 eye studies are on record.

Classed as low1

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 2 studies

Not likely to be sensitizing
skin sensitisation: in vivo (LLNA) · Screening · according to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay) 2010 according to EPA OPPTS 870.2600 (Skin Sensitisation) 2003
Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) Feb. 1987 according to EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion) Jan. 1997 according to