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Cinmethylin

Also known as: 1-Methyl-4-(1-methylethyl)-2-((2-methylphenyl)methoxy)-7-oxabicyclo[2.2.1]heptane, (1RS,2SR,4SR)-1,4-epoxy-p-menth-2-yl 2-methylbenzyl ether, exo-(±)-1-methyl-4-(1-methylethyl)-2-((2-methylphenyl)methoxy)-7-oxabicyclo[2.2.1]heptane, Argold, SKH 301, SD95481, WL 95481, Caswell No. 731G, (1R,2S,4S)-4-Isopropyl-1-methyl-2-[(2-methylbenzyl)oxy]-7-oxabicyclo[2.2.1]heptane - (1S,2R,4R)-4-isopropyl-1-methyl-2-[(2-methylbenzyl)oxy]-7-oxabicyclo[2.2.1]heptane (1:1)

Cinmethylin (CAS 87818-31-3) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C18H26O2 and a molecular weight of 274.40400 g/mol. Key properties include a boiling point of 313°C, a density of 1.04 g/cm3 and a flash point of 147 °C. It is classified under GHS with signal word Warning and hazard statements H332 — Harmful if inhaled and H411 — Toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
87818-31-3
Jingsj CID
J-27375-4
Molecular Formula
C18H26O2
Molecular Weight
274.40400 g/mol
Category
Ethers
Last updated
11/2/2026

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Physicochemical Properties

Boiling Point313°C
Density1.04 g/cm3
Flash Point147 °C
Exact Mass548.386536
PSA18.46000
LogP4.24780
Refractive Index1.532

GHS Safety & Compliance

Irritant / Environmental HazardSignal word: Warning
  • H332 — Harmful if inhaled
  • H411 — Toxic to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of Cinmethylin?

The CAS number of Cinmethylin is 87818-31-3.

What are the molecular formula and molecular weight of Cinmethylin?

Cinmethylin has molecular formula C18H26O2 and molecular weight 274.40400 g/mol.

Is Cinmethylin hazardous?

Cinmethylin has GHS signal word Warning and hazard statements H332 — Harmful if inhaled; H411 — Toxic to aquatic life with long lasting effects.

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

Last updated:

How to cite: Jingsj. "Cinmethylin (CAS 87818-31-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27375-4 (accessed 2026-11-06).

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