Selenium

from source

Se · 78.97 g/mol

Vandex

What is Selenium?

A trace nutrient the body needs for a handful of enzymes, and the element that made the first photocopiers work. Element 34. Found in fish, nuts, and mushrooms. from source

CategoryElement & material

LeaderboardsBiggest Deadliest

Fig. 1 · 2D structure RDKit

SMILES[Se]

Where you'll find it

Fishwhat else is in it →Nutswhat else is in it →Mushroomswhat else is in it →

Curated by MoleculeFinder from source

Relative acute toxicity from source

Animal study data · LD50

Reported LD50: 6,700 mg/kg · very low toxicity
Species: rat
Route: oral

An LD50 describes acute toxicity under experimental conditions and is not a safe or dangerous dose for a person.

Toxicity & hazards

Toxicity · LD50

6,700 mg/kg · very low toxicity · LD50 rat oral from source

DangerToxicHealth hazardH301, H331, H361, H370, H372, H373, H413from source

Sources & methodology

PubChem CID: 6326970
Wikidata: Q876
Structure: PubChem → RDKit
LD50: PubChem
Everyday relationships: MoleculeFinder editorial curation
Data refreshed: September 13, 2026

How MoleculeFinder sources and labels its data