middle note herbal

3-Propylidenephthalide

Also known as: 1(3H)-Isobenzofuranone, 3-propylidene, 3-Propylidene-2-benzofuran-1(3H)-one, Propylidene phthalide

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
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CAS 17369-59-4

Molecular Information
Molecular Formula C11H10O2
Molecular Weight 174.2 g/mol
Boiling Point 343 to 347 °F at 15 mmHg (NTP, 1992)
Flash Point greater than 200 °F (NTP, 1992)
Density 1.135 at 74.7 °F (NTP, 1992) - Denser than water; will sink
InChIKey NGSZDVVHIGAMOJ-UHFFFAOYSA-N
Sources: PubChem

Safety Information
Warning

GHS Classification

Acute toxicity, oralSensitization, Skin

Hazard Statements

  • H302: Harmful if swallowed
  • H317: May cause an allergic skin reaction
Sources: PubChem