Thymol iodide

Also known as: 4,4'-Bis(iodooxy)-2,2'-dimethyl-5,5'-bis(1-methylethyl)-1,1'-biphenyl, 5,5'-diisopropyl-2,2'-dimethyl-[1,1'-biphenyl]-4,4'-diyl dihypoiodite, Annidalin, Aristol, Bithymoldiiodide, EINECS 209-007-5, Hypoiodous acid, 2,2-dimethyl-5,5-bis(1-methylethyl)1,1-biphenyl-4,4-diyl ester, Iodistol, Iodohydromol, Iodosol, Iodothymol, Iothymol, Lothymol, MFCD00026409, p-Cymen-3-ol iodide, Thyme camphor iodide, Thymiode, Thymiodol, Thymodin, Thymotol

Thymol iodide (CAS 552-22-7) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C20H24I2O2 and a molecular weight of 550.21200 g/mol. Key properties include a melting point of 69ºC, a density of 1.617g/cm3 and a flash point of STABILITY. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 552-22-7
Jingsj CID: J-24211-0
Molecular Formula: C₂₀H₂₄I₂O₂
Molecular Weight: 550.21200 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	69ºC
Density	1.617g/cm3
Flash Point	STABILITY
Exact Mass	549.98700
PSA	18.46000
LogP	7.67480
Refractive Index	1.616

GHS Safety & Compliance

IrritantSignal word: Warning

H302 — Harmful if swallowed

Activity & Biological Data

Additional Information	[1]. Gupta PC. Use of Thymol Iodide in Interstitial Keratitis. Ind Med Gaz. 1931 May;66(5):267-268. [2]. AshutoshSrivastava, A study on enrichment of the rotifer Brachionus “Cayman” with iodine from different sources. Aquaculture. 2012 Mar 7, 334-337:82-88.

Customs & Trade Information

HS Code	2908199090
Summary	HS: 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 Thymol iodide?

The CAS number of Thymol iodide is 552-22-7.

What are the molecular formula and molecular weight of Thymol iodide?

Thymol iodide has molecular formula C20H24I2O2 and molecular weight 550.21200 g/mol.

Is Thymol iodide hazardous?

Thymol iodide has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

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. "Thymol iodide (CAS 552-22-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24211-0 (accessed 2026-11-06).

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