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Periodic Table/Compounds/624-18-0

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© Melvin Olsson 2025–2026
Data: IAEA & PubChem

624-18-0

C₆H₁₀Cl₂N₂·181.060 g/mol·CID 12205

IUPAC: benzene-1,4-diamine;dihydrochloride

Also known as: p-Phenylenediamine dihydrochloride, 1,4-Phenylenediamine dihydrochloride, benzene-1,4-diamine dihydrochloride, 1,4-DIAMINOBENZENE DIHYDROCHLORIDE, Fourrine DS (+14 more)

2D structure of 624-18-0

Molecular Structure

Molecular Propertiesmass · H-bonds · stereo

Molecular Weight

181.060g/mol

Exact Mass

180.022104Da

Monoisotopic Mass

180.022104Da

XLogP

—

Polar Surface Area

52.0Ų

Complexity

54

Formal Charge

0

H-Bond Donors

4

H-Bond Acceptors

2

Rotatable Bonds

0

Heavy Atoms

10

Stereo Centers

0

Bond Stereo

0

Drug-Likeness (Lipinski's Rule of Five)

✓ 181.1 g/mol
MW ≤ 500
? —
LogP ≤ 5
✓ 4
H-bond donors ≤ 5
✓ 2
H-bond acceptors ≤ 10

Passes all rules — good oral bioavailability predicted

GHS Hazard Classification

Danger
Acute Toxic
Acute Toxic
Environmental Hazard
Environmental Hazard
Irritant
Irritant
Health Hazard
Health Hazard
Hazards
  • H301Toxic if swallowed
  • H311Toxic in contact with skin
  • H317May cause an allergic skin reaction
  • H319Causes serious eye irritation
  • H331Toxic if inhaled
  • H400Very toxic to aquatic life
  • H410Very toxic to aquatic life with long lasting effects
  • H320Causes eye irritation
  • H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
  • H370Causes damage to organs

Source: PubChem GHS Classification. Always consult the SDS for handling.

Chemical IdentifiersSMILES · InChI

InChI

InChI=1S/C6H8N2.2ClH/c7-5-1-2-6(8)4-3-5;;/h1-4H,7-8H2;2*1H

Isomers8 compounds with formula C₆H₁₀Cl₂N₂

2D structure of benzene-1,2-diamine;dihydrochloride

benzene-1,2-diamine;dihydrochloride

CID 11990 · 181.1 g/mol

2D structure of benzene-1,3-diamine;dihydrochloride

benzene-1,3-diamine;dihydrochloride

CID 10941 · 181.1 g/mol

2D structure of pyridin-4-ylmethanamine;dihydrochloride

pyridin-4-ylmethanamine;dihydrochloride

CID 12238841 · 181.1 g/mol

2D structure of 1-(2-chloroethyl)-2-methylimidazole;hydrochloride

1-(2-chloroethyl)-2-methylimidazole;hydrochloride

CID 117084 · 181.1 g/mol

2D structure of pyridin-3-ylmethanamine;dihydrochloride

pyridin-3-ylmethanamine;dihydrochloride

CID 31017 · 181.1 g/mol

2D structure of 4-(chloromethyl)-2,5-dimethyl-1H-imidazole;hydrochloride

4-(chloromethyl)-2,5-dimethyl-1H-imidazole;hydrochloride

CID 12647304 · 181.1 g/mol

2D structure of 5-(chloromethyl)-1-ethylimidazole;hydrochloride

5-(chloromethyl)-1-ethylimidazole;hydrochloride

CID 22938740 · 181.1 g/mol

2D structure of 2-(chloromethyl)-1-ethylimidazole;hydrochloride

2-(chloromethyl)-1-ethylimidazole;hydrochloride

CID 47003216 · 181.1 g/mol

External Resources

PubChem ↗Wikipedia ↗