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Diphenylmethyl isocyanate

Also known as: Benzhydryl isocyanate, Benzene, 1,1'-(isocyanatomethylene)bis-, (Isocyanatomethylene)dibenzene, (Phenylisocyanatomethyl)benzene, [Isocyanato(phenyl)methyl]benzene, Diphenylmethane monoisocyanate, Isocyanatodiphenylmethane, Isocyanic acid, diphenylmethyl ester

Diphenylmethyl isocyanate (CAS 3066-44-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H11NO and a molecular weight of 209.24300 g/mol. Key properties include a boiling point of 298ºC, a density of 1.105 and a flash point of 110ºC. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3066-44-2
Jingsj CID
J-34342-0
Molecular Formula
C14H11NO
Molecular Weight
209.24300 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point298ºC
Density1.105
Flash Point110ºC
Exact Mass209.08400
PSA29.43000
LogP3.11180
Refractive Index1.579

GHS Safety & Compliance

Irritant / Health HazardSignal word: Danger
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H332 — Harmful if inhaled
  • H334 — May cause allergy or asthma symptoms if inhaled
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2929109000
Summary2929109000. other isocyanates. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Diphenylmethyl isocyanate?

The CAS number of Diphenylmethyl isocyanate is 3066-44-2.

What are the molecular formula and molecular weight of Diphenylmethyl isocyanate?

Diphenylmethyl isocyanate has molecular formula C14H11NO and molecular weight 209.24300 g/mol.

Is Diphenylmethyl isocyanate hazardous?

Diphenylmethyl isocyanate has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.

What are the upstream and downstream products of Diphenylmethyl isocyanate?

For Diphenylmethyl isocyanate, Upstream Products: Bromodiphenylmethane, 2,2-Diphenylacetic acid, Benzhydrylamine; Downstream Products: Benzhydrylamine.

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

Last updated:

How to cite: Jingsj. "Diphenylmethyl isocyanate (CAS 3066-44-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34342-0 (accessed 2026-11-09).

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