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Phloroglucinol

Also known as: 1,3,5-Benzenetriol, 1,3,5-Trihydroxybenzene, 1,3,5-THB, Phloroglucin, Phloroglucine, sym-Trihydroxybenzene, Benzene-1,3,5-triol, Benzene-s-triol, Dilospan S, Floroglucin, Nero, Sinterol, Triogyl

Phloroglucinol (CAS 108-73-6) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C6H6O3 and a molecular weight of 126.110 g/mol. Key properties include a melting point of 215-220 °C, a boiling point of 331.1±12.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 174.9±14.2 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H317 — May cause an allergic skin reaction and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
108-73-6
Jingsj CID
J-1324334-0
Molecular Formula
C6H6O3
Molecular Weight
126.110 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point215-220 °C
Boiling Point331.1±12.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point174.9±14.2 °C
Exact Mass126.031693
PSA60.69000
LogP0.06
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.677

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H317 — May cause an allergic skin reaction
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2907299090
Summary2907299090 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 Phloroglucinol?

The CAS number of Phloroglucinol is 108-73-6.

What are the molecular formula and molecular weight of Phloroglucinol?

Phloroglucinol has molecular formula C6H6O3 and molecular weight 126.110 g/mol.

Is Phloroglucinol hazardous?

Phloroglucinol has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H317 — May cause an allergic skin reaction; H319 — Causes serious eye irritation.

What are the upstream and downstream products of Phloroglucinol?

For Phloroglucinol, Upstream Products: 3,5-Dichloroaniline, 1,3,5-Trichlorobenzene, 5-Methoxyresorcinol; Downstream Products: 2-chloro-1-(2,4,6-trihydroxyphenyl)ethanone, Phloroglucide, Phloretin.

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

Last updated:

How to cite: Jingsj. "Phloroglucinol (CAS 108-73-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1324334-0 (accessed 2026-11-07).

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