Vanillin is a member of the class of benzaldehydes carrying methoxy and hydroxy substituents at positions 3 and 4 respectively.
How much products actually contain
No product states its amount yet.
Of the products containing it, 378 list it before the 1% line and 189 after it (usually 1% or less).
Products using this ingredient
12 of 566 confirmed · likeliest to carry enough first · See all 566
The Body ShopThe Body Shop Butter Me Up Fragrance Mist
The Body ShopThe Body Shop Pumpkin Fragrance Mist
Grown AlchemistGrown Alchemist Hydra-Restore Lip Balm Spearmint - 12ml
Elizabeth ArdenElizabeth Arden Eight Hour® Cream Skin Protectant Lightly Scented
Kylie CosmeticsKylie Cosmetics Caramel Cloud Hair & Body Mist
IGK HairIGK Hair Good Behavior Smoothing Spray
IGK HairIGK Hair Good Behavior Smoothing Spray Jumbo
IGK HairIGK Hair Good Behavior Travel
IGK HairIGK Hair IGK Good Behavior Smoothing Spray
GlossierGlossier Glossier You Soie
tartetarte tartelette™ in bloom mini Amazonian clay palette
tartetarte tartelette™ toasted mini Amazonian clay palette
Definition
Vanillin is a member of the class of benzaldehydes carrying methoxy and hydroxy substituents at positions 3 and 4 respectively. It has a role as an antioxidant, a flavouring agent, an anticonvulsant, an anti-inflammatory agent and a plant metabolite. It is a member of benzaldehydes, a monomethoxybenzene and a member of phenols.
Source: PubChem
US FDA substance register · UNII CHI530446X · registered name Vanillin · single chemical substance
Cosmetic roles
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
EU Cosmetics Regulation, Annex III (restricted substances), entry 346
Restriction III/346
Source: EU CosIng ingredient list
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name バニリン: 本品は、次の化学式で表される芳香族アルデヒドである。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 121-33-5
- EC No.EU chemical inventory number
- 204-465-2
- DTXSIDUS EPA chemical ID
- DTXSID0021969
- DTXCIDUS EPA compound ID
- DTXCID301969
- IUPAC
- 4-Hydroxy-3-methoxybenzaldehyde
- Molecular formula
- C8H8O3
- Molecular weight
- 152.149 g/mol
Measured properties
- Appearance
- Vanillin appears as white or very slightly yellow needles. · Liquid, Other Solid, Dry Powder, CBI, Large Crystals
- Odour
- Sweetish smell · Pleasant aromatic vanilla odor
- Boiling point
- 545 °F at 760 mmHg (NTP, 1992) · 285 °C
- Melting point
- 178 to 181 °F (NTP, 1992) · 81-83 °C
- Solubility
- Slightly soluble (NTP, 1992) · In water, 1.102X10+4 mg/L at 25 °C
- Density
- 1.056 at 68 °F (NTP, 1992) - Denser than water, will sink · 1.056
- Stability
- SLOWLY OXIDIZES SOMEWHAT ON EXPOSURE TO MOIST AIR, AFFECTED BY LIGHT
- pH
- Solutions are acid to litmus
- Dissociation constant
- pKa = 7.4 at 25 °C
- Melting/freezing point
- 81~83 ℃
- Initial boiling point and range
- 285 ℃
- Flash point
- 153 ℃(c.c.)
- Flammability (solid, gas)
- combustible
- Vapour pressure
- 1.33 hPa (@ 107 ℃)
- Water solubility
- 11020 ㎎/ℓ (@ 25 ℃)
- Vapour density
- 5.2
- Relative density
- 1.06 (@ 20 ℃)
- n-Octanol/water partition coefficient (Kow)
- 1.21
- Auto-ignition temperature
- 400 ℃
- Molecular weight
- 152.15
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 452 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.
- Fragrance432
- Flavouring and nutrient8
- Adhesion/cohesion promoter8
- Deodorizer2
- Dye1
- Processing aids not otherwise specified1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
8 skin studies and 3 eye studies are on record.
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 11 studies
- Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · other guideline: EU Method B.3 (Acute toxicity (dermal)) according to - Not likely to be sensitizing
skin sensitisation: in vivo (LLNA) · Screening · equivalent or similar to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay) - Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to EU Method B.6 (Skin Sensitisation) Cited as Directive 84/449/EEC, B.6 - Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · equivalent or similar to OECD Guideline 406 (Skin Sensitisation) - Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion) equivalent or similar to - Not classified
Skin Irritation · Screening - Classification not possible
Skin Sensitization · Screening - SkinIrr2
Skin Irritation · QSAR Predicted - Severe Irritation
eye irritation: in vivo · Screening · EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion) equivalent or similar to - Category 2B
Eye Irritation · Screening - Severe Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to
Source: US EPA CompTox dashboard
Related literature
- Advances in vanillin synthesis: focusing on microbial synthesis pathways and prospects · 2025
- Metabolic and enzyme rewiring enables high-production of vanillin in unconventional yeast. · 2025
- Curcumin as A Vanillin Source: Bibliometric Review · 2024
- UV‐A photodegradation of vanillin in aqueous solutions: Direct photolysis and photosensitized degradation · 2024
- Overview of the Role of Vanillin in Neurodegenerative Diseases and Neuropathophysiological Conditions · 2023
Linked databases 23
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- ChEMBL
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- EU Cosmetics Regulation
- EU restricted substances (Annex III)
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic ingredient register 2
- MFDS (Korea) cosmetic regulatory information 2 3
- NIST Chemistry WebBook
- PubChem 2
- Tlooto literature search 2 3 4 5
- UniChem cross-reference IDs
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata
- Wikipedia · Korean · English · Japanese · Chinese