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Neryl propionate

(2Z)-3,7-Dimethyl-2,6-octadien-1-yl propanoate

Propionic acid neryl ester · Neryl propanoate

Aliphatic monoterpenoid alkene ester · C₁₃H₂₂O₂

Chemical structure of Neryl propionate
2D structure PubChem / NCI CIR

Chemical info

CAS number CAS
105-91-9
Molecular formula
C₁₃H₂₂O₂
Molecular weight
210.31 g/mol
Aroma
Sweet fruity, light rose, balsamic. A secondary note in helichrysum.

Safety

Low concern · Trace constituent

Neryl propionate is an aliphatic monoterpenoid ester occurring in helichrysum.

Skin. Undiluted neryl propionate produced mild irritation on rabbit skin under 24-hour occlusion. Tested at 6 percent on human skin, it caused no irritation and no sensitization.

Acute toxicity. Acute oral LD50 in rats exceeded 5 g/kg. Acute dermal LD50 in rabbits exceeded 5 g/kg.

Usage guidelines

Concern level
Low, limited data

Found in essential oils

Principal sources
Helichrysum (immortelle)1.8 – 6.7 %

Notes

Neryl propionate is a minor ester in helichrysum, complementing neryl acetate in the oil's characteristic aroma signature.