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3,5-Dichlorophenol

Also known as: 3,5-dichlorophenol, 3,5-dichloro-phenol, Phenol, 3,5-dichloro-, MFCD00002259, EINECS 209-714-9, QR CG EG

3,5-Dichlorophenol (CAS 591-35-5) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C6H4Cl2O and a molecular weight of 163.001 g/mol. Key properties include a melting point of 65-68 °C(lit.), a boiling point of 233.0±0.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 106.9±15.8 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H311 — Toxic in contact with skin and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
591-35-5
Jingsj CID
J-1518585-0
Molecular Formula
C6H4Cl2O
Molecular Weight
163.001 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point65-68 °C(lit.)
Boiling Point233.0±0.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point106.9±15.8 °C
Exact Mass161.963913
PSA20.23000
LogP3.33
Vapor Pressure0.0±0.4 mmHg at 25°C
Refractive Index1.594

GHS Safety & Compliance

Corrosion / Acute Toxicity / Environmental HazardSignal word: Danger
  • H302 — Harmful if swallowed
  • H311 — Toxic in contact with skin
  • H314 — Causes severe skin burns and eye damage
  • H411 — Toxic to aquatic life with long lasting effects

Customs & Trade Information

HS Code2908199090
SummaryHS: 2908199090. derivatives of polyphenols or phenol-alcohols containing only halogen substituents and their salts. VAT:17.0%. tax rebate rate:9.0%. supervision conditions:None. MFN tariff:5.5%. general tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3,5-Dichlorophenol?

The CAS number of 3,5-Dichlorophenol is 591-35-5.

What are the molecular formula and molecular weight of 3,5-Dichlorophenol?

3,5-Dichlorophenol has molecular formula C6H4Cl2O and molecular weight 163.001 g/mol.

Is 3,5-Dichlorophenol hazardous?

3,5-Dichlorophenol has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H311 — Toxic in contact with skin; H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of 3,5-Dichlorophenol?

For 3,5-Dichlorophenol, Upstream Products: 2-(3,5-Dichlorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 3,5-Dichloroanisole, Sodium methoxide; Downstream Products: 3,5-Dichloroanisole, Benzyl 3-chloro-5-hydroxybenzoate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3,5-Dichlorophenol (CAS 591-35-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518585-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.