4,4'-Cyclohexylidenebisphenol

Also known as: Bisphenol Z, 1,1-Bis(4-hydroxyphenyl)cyclohexane, 4,4'-(Cyclohexane-1,1-diyl)diphenol, Phenol,4,4'-cyclohexylidenebis-, 4-[1-(4-hydroxyphenyl)cyclohexyl]phenol, 1,1-Bis(4-hydroxyphenyl)cyclohexane (Bisphenol Z)

4,4'-Cyclohexylidenebisphenol (CAS 843-55-0) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C18H20O2 and a molecular weight of 268.350 g/mol. Key properties include a melting point of 190-192 °C(lit.), a boiling point of 440.9±38.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 207.3±21.4 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 843-55-0
Jingsj CID: J-42570-7
Molecular Formula: C₁₈H₂₀O₂
Molecular Weight: 268.350 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	190-192 °C(lit.)
Boiling Point	440.9±38.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	207.3±21.4 °C
Exact Mass	268.146332
PSA	40.46000
LogP	4.53
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.614

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Customs & Trade Information

HS Code	2907299090
Summary	2907299090 polyphenols; phenol-alcohols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4,4'-Cyclohexylidenebisphenol?

The CAS number of 4,4'-Cyclohexylidenebisphenol is 843-55-0.

What are the molecular formula and molecular weight of 4,4'-Cyclohexylidenebisphenol?

4,4'-Cyclohexylidenebisphenol has molecular formula C18H20O2 and molecular weight 268.350 g/mol.

Is 4,4'-Cyclohexylidenebisphenol hazardous?

4,4'-Cyclohexylidenebisphenol has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 4,4'-Cyclohexylidenebisphenol?

For 4,4'-Cyclohexylidenebisphenol, Upstream Products: Cyclohexanone, Phenol, 1-Chlorocyclohexene; Downstream Products: 4-Cyclohexylphenol, Phenol, Bisphenol Z bis(chloroformate).

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

Last updated: 8/21/2026

How to cite: Jingsj. "4,4'-Cyclohexylidenebisphenol (CAS 843-55-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42570-7 (accessed 2026-11-09).

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