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Salicylaldehyde

Also known as: 2-Hydroxybenzaldehyde, ortho-Hydroxybenzaldehyde

Bitter almond, slightly phenolic, nutty, acrid, herbal

IFRA Restriction

This is the maximum allowed percentage of this material in the total finished product, not in the fragrance concentrate.

For example, if a fine fragrance (Category 4A) contains 20% fragrance oil, and IFRA allows 10% of this material, the material can be up to 50% of the fragrance concentrate (10% ÷ 20% = 50%).

EU Allergen

This ingredient is classified as an EU allergen under the Cosmetics Regulation (EC) No 1223/2009.

Labeling thresholds:

  • 0.001% in leave-on products
  • 0.01% in rinse-off products
Learn more →
CAS 90-02-8
Manufacturers Various

About Salicylaldehyde

An aromatic aldehyde with a bitter almond-like, slightly phenolic character.

Molecular Information
Molecular Formula C7H6O2
Molecular Weight 122.12 g/mol
Boiling Point 386 °F at 760 mmHg (USCG, 1999)
Flash Point 172 °F (USCG, 1999)
Density 1.1674 at 68 °F (USCG, 1999) - Denser than water; will sink
Vapor Pressure 1.09 mmHg at 90 °F (USCG, 1999)
InChIKey SMQUZDBALVYZAC-UHFFFAOYSA-N
Sources: PubChem

Safety Information
Warning

GHS Classification

Acute toxicity, dermalAcute toxicity, oralGerm cell mutagenicitySerious eye damage/eye irritationSkin corrosion/irritation

Hazard Statements

  • H302: Harmful if swallowed
  • H312: Harmful in contact with skin
  • H315: Causes skin irritation
  • H319: Causes serious eye irritation
  • H341: Suspected of causing genetic defects
Sources: PubChem (ECHA C&L)