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SHEET /m/benzene · PubChem CID 241 · CAS 71-43-2 · REV 2026.07

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Benzene

from source

C6H6 · 78.11 g/mol

BNZ · benzol · bicarburet of hydrogen · phenyl hydride

What is Benzene?

A perfect ring of six carbons, the pattern that defines aromatic chemistry. It is also in petrol and cigarette smoke and is a known carcinogen. from source

Chemical familyAromatics
LeaderboardsBiggestDeadliest

Fig. 1 · 2D structure RDKit

SMILESC1=CC=CC=C1

Where you'll find it

Curated by MoleculeFinder from source

Relative acute toxicity from source

Animal study data · LD50

Reported LD50
3,306 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

3,306 mg/kg · very low toxicity · LD50 rat oral from source

2 more reported values
  • 2.89 mg/kgLD50 · other · rat
  • 340 mg/kgLD50 · other · mouse
DangerFlammableIrritantHealth hazardEnvironmentalH225, H302, H304, H315, H319, H332, H335, H336, H340, H341, H350, H361, H370, H372, H401, H411, H412from source

Compare with

Sources & methodology

PubChem CID
241
Wikidata
Q2270
Structure
PubChem → RDKit
LD50
PubChem
Everyday relationships
MoleculeFinder editorial curation
Data refreshed

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