C6HCl5O
266.3 g/mol
AgrochemicalDanger
Pentachlorophenol
CAS87-86-5EC201-778-6
Category
Agrochemical
Compound Class
Halocarbon
Primary Use
Wood preservative biocide
Pentachlorophenol is a chlorinated aromatic compound that was historically used as a biocide. Its primary significance is as a wood preservative, though its use is now heavily restricted in many regions.
Wood preservative biocidePulp and paper processingLeather tanning and processing
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
CAS 87-86-5
Related Compounds
ReferenceSame Category
2'-(Chloromethyl)-4-fluoro-2-methoxy-5-(1-methylethyl)-4'-(trifluoromethyl)-1,1'-biphenyl
CAS875551-28-3
agrochemical intermediate
ReferenceSame Category
2,4,6-trichlorophenol
CAS88-06-2
pesticide and wood preservative
ReferenceSame Category
Dinoseb
CAS88-85-7
Herbicide and insecticide
ReferenceSame Category
Dimethyl 2,5-pyridinedicarboxylate
CAS881-86-7
Agrochemical intermediate
Related Reading
Safety Reference
Danger
H301Toxic if swallowed
H311Toxic in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H330Fatal if inhaled
H335May cause respiratory irritation
H351Suspected of causing cancer
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H300Fatal if swallowed
H310Fatal in contact with skin
H413May cause long lasting harmful effects to aquatic life
H350May cause cancer
H360May damage fertility or the unborn child
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for Pentachlorophenol (CAS 87-86-5) is 2908.11.
HS code (international, 6-digit)
2908.11
EU CN code (8-digit)
2908 11 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2,3,4,5,6-pentachlorophenol
InChIKey
IZUPBVBPLAPZRR-UHFFFAOYSA-N
SMILES
C1(=C(C(=C(C(=C1Cl)Cl)Cl)Cl)Cl)O
Synonyms (98)
- PENTA
- EP 30
- EP 30 (pesticide)
- 1-Hydroxypentachlorobenzene
- 1y4z
- 2,3,4,5,6-Pentachlorophenol
- 2,4,5,6-Pentachlorophenol
- 4rpn
- AD 73
- Acutox
- Chem-Penta
- Chem-Tol
- Chlon
- Chlorophen
- Chlorophenasic acid
- Dowcide 7
- Dowicide 7
- Dowicide 7 Antimicrobial
- Dowicide EC-7
- Dowicide G (Salt/Mix)
- Dura-Treet
- Durotox
- Forepen
- Forpen-50 Wood Preservative
- Fungifen
- Glazd penta
- Grundier arbezol
- Lauxtol
- Lauxtol A
- Liroprem
- Ontrack WE Herbicide
- Osmoplastic
- PCP (pesticide)
- PENTACHLOROPHENOL [MART.]
- Penchlorol
- Penta ready
- Penta wr
- Penta-Kil
- Pentachloorfenol
- Pentachloorfenol [Dutch]
- Pentachlorofenol
- Pentachlorophenate
- Pentachlorophenol (PCP)
- Pentachlorophenol pure
- Pentachlorophenol, dp-2
- Pentachlorophenol, purified
- Pentachlorophenol, technical
- Pentachlorphenol
- Pentachlorphenol [German]
- Pentaclorofenolo
- Pentaclorofenolo [Italian]
- Pentacon
- Penton 70
- Penwar
- Peratox
- Perchlorophenol
- Permacide
- Permagard
- Permasan
- Permatox
- Permatox DP-2
- Permatox penta
- Permite
- Phenol, pentachloro-
- Phenol, pentachloro-, pure
- Pkhfn (Salt/Mix)
- Pol Nu
- Preventol P
- Preventol PN (Salt/Mix)
- Priltox
- Santobrite (Salt/Mix)
- Santophen
- Santophen 20
- Satophen
- Sinituho
- Term-i-trol
- Thompson's wood fix
- Watershed Wood Preservative
- Weed and Brush Killer
- Weedone
- Witophen P
- Woodtreat A
- pentachlorophenol