SHEET /m/limonene · PubChem CID 22311 · CAS 138-86-3 · REV 2026.07
Limonene
from sourceC10H16 · 136.23 g/mol
dipentene · Cajeputene · Cinene · Dipenten
What is Limonene?
The bright citrus scent locked in orange and lemon peel. Limonene (C10H16, 136 g/mol) is a terpene carried in everyday scent and aroma. Found in black pepper, fruit, and citrus. from source
Fig. 1 · 2D structure RDKit
CC1=CCC(CC1)C(=C)CWhere you'll find it
Curated by MoleculeFinder from source
The dose makes the poison inferred
A reported rat oral LD50 for Limonene is 5,000 mg/kg, the dose lethal to half the animals tested. Scaled by body mass alone:
“The dose makes the poison” is a cross-species estimate shown as neutral science, not a threshold anyone should act on. Real toxicity depends on the person, not body mass alone.
Toxicity & hazards
Toxicity · LD50
5,000 mg/kg · very low toxicity · LD50 rat oral from source
The dose lens above scales this to a body weight.
2 more reported values
- 1,300 mg/kgLD50 · other · mouse
- 5,000 mg/kgLD50 · dermal · rabbit
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