What is this ingredient?

미국 FDA 물질 등록 · UNII U8J5PLW9MR · 등록명 PHENYLACETALDEHYDE · 단일 화학물질

Ingredient Dictionary

PHENYLACETALDEHYDE

Phenylacetaldehyde is an aldehyde that consists of acetaldehyde bearing a methyl substituent; the parent member of the phenylacetaldehyde class of compounds.

Definition

US FDA substance register · UNII U8J5PLW9MR · registered name PHENYLACETALDEHYDE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Phenylacetaldehyde is an aldehyde that consists of acetaldehyde bearing a methyl substituent; the parent member of the phenylacetaldehyde class of compounds. It has a role as a mouse metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a human metabolite. It is a member of phenylacetaldehydes and an alpha-CH2-containing aldehyde.

Source: PubChem

Phenylacetaldehyde is the aldehyde that conforms to the formula:

Cosmetic roles

Listed as a fragrance-composition material (not a claim that it adds scent)FRAGRANCEGives the product a scentPERFUMINGAdds flavour (lip and oral products)FLAVOURING

Safety & regulatory references

Restricted: International fragrance standard (IFRA)

Source: IFRA fragrance standards

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

PHENYLACETALDEHYDEINCI페닐아세트알데하이드Korean label name (MFDS standard)BenzeneacetaldehydeSynonym

CAS No.chemical registry number: 122-78-1
EC No.EU chemical inventory number: 204-574-5
DTXSIDUS EPA chemical ID: DTXSID3021483
DTXCIDUS EPA compound ID: DTXCID501483

IUPAC: Phenylacetaldehyde
Molecular formula: C8H8O
Molecular weight: 120.151 g/mol

Measured properties

Appearance: Colorless oily liquid that polymerizes and becomes thicker on standing, Odor like lilac and hyacinth, mp = 33-34 deg C, [Merck Index] Colorless to yellow liquid, [Acros Organics MSDS] · Solid
Boiling point: 195 °C
Melting point: 33.5 °C · 120.5 - 121.5 °C
Solubility: Slightly soluble in water, insoluble in water, soluble in oils, propylene glycol · 1 mL in 2 mL 80% ethanol (in ethanol)
Density: 1.023-1.045
Colour: colourless
Melting/freezing point: 33.5 ℃
Initial boiling point and range: 92.3 ℃
Flash point: 83 ℃
Vapour pressure: 0.4 ㎜Hg (25 C)
Vapour density: 4.14 ()
Relative density: 1.023 (at 25 C)
n-Octanol/water partition coefficient (Kow): 1.78
Viscosity: 2.10 cP (20 C)
Molecular weight: 330.34

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 21 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.

Fragrance17
Flavouring and nutrient3
No specific technical function1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

2 skin studies and 1 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 3 studies

SkinSens1
Skin Sensitization · QSAR Predicted
Category 6.3A (Category 2)
Skin Irritation · Read Across
Category 6.4A (Category 2A)
Eye Irritation · Read Across