Ingredient Dictionary

SALICYLALDEHYDE

Salicylaldehyde is a hydroxybenzaldehyde carrying a hydroxy substituent at position 2.

Definition

Salicylaldehyde is a hydroxybenzaldehyde carrying a hydroxy substituent at position 2. It has a role as a nematicide and a plant metabolite.

Source: PubChem

US FDA substance register · UNII 17K64GZH20 · registered name Salicylaldehyde · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Salicylaldehyde is the organic compound that conforms to the formula:

Cosmetic roles

Listed as a fragrance-composition material (not a claim that it adds scent)FRAGRANCE

Safety & regulatory references

European Union

Other : The presence of the substance shall be indicated in the list of ingredients referred to in Article 19(1), point (g), when its concentration exceeds: — 0,001 % in leave-on products — 0,01 % in rinse-off products.

Source: MFDS (Korea) cosmetic regulatory information

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

Source: Korea toxic substances GHS register (NIER)

EU Cosmetics Regulation, Annex III (restricted substances), entry 340

Source: EU restricted substances (Annex III)

Restriction III/340

Source: EU CosIng ingredient list

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

Official labels & definitions

JCIA labelling name サリチルアルデヒド: 本品は、次の化学式で表される有機化合物である。

Source: JCIA labelling names (Japan)

Names & identifiers

SALICYLALDEHYDEINCI살리실알데하이드Korean label name (MFDS standard)Benzaldehyde, 2-hydroxy-SynonymサリチルアルデヒドJapanese labelling name

CAS No.chemical registry number: 90-02-8
EC No.EU chemical inventory number: 201-961-0
DTXSIDUS EPA chemical ID: DTXSID1021792
DTXCIDUS EPA compound ID: DTXCID001792

IUPAC: 2-Hydroxybenzaldehyde
Molecular formula: C7H6O2
Molecular weight: 122.123 g/mol

Measured properties

Appearance: Liquid, colorless or pale yellow, bitter almond odor. Sinks and mixes slowly in water. (USCG, 1999) · Liquid
Odour: Bitter, almond-like odor · Pungent, irritating odor similar to benzenaldehyde, acetophenone, and nitrobenzene, but with phenolic notes
Boiling point: 386 °F at 760 mmHg (USCG, 1999) · 197 °C
Melting point: 19.4 °F (USCG, 1999) · -7 °C
Solubility: Solubility in water, 1.7X10+4 mg/L at 86 °C · Slightly soluble in water
Density: 1.1674 at 68 °F (USCG, 1999) - Denser than water, will sink · 1.167 g/cu cm at 20 °C/4 °C
Stability: Stable under recommended storage conditions.
Viscosity: Dynamic viscosity = 2.50X10-3 Pa.s at 25 °C
Melting/freezing point: -7 ℃
Initial boiling point and range: 197 ℃
Flash point: 78 ℃(C.C.)
Vapour pressure: 0.593 ㎜Hg (25℃)
Water solubility: 1.7 g/100㎖ (86℃)
Vapour density: 4.2
Relative density: 1.167 (20℃)
n-Octanol/water partition coefficient (Kow): 1.81
Molecular weight: 122.12

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.

Fragrance3
Flavouring and nutrient2
No specific technical function1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

4 skin studies and 1 eye studies are on record.

Classed as low2

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 5 studies

Classification not possible
Skin Sensitization · Screening
Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) according to
Category 6.3A (Category 2)
Skin Irritation · Read Across
Not classified
Skin Irritation · Screening
Classification not possible
Eye Irritation · Screening