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1,3-Di-p-tolylcarbodiimide

Also known as: Di-p-tolylcarbodiimide, N,N'-Di-p-tolylcarbodiimide, Bis(p-tolyl)carbodiimide, 1,3-Bis(p-tolyl)carbodiimide, Bis(4-methylphenyl)carbodiimide, N,N'-Bis(4-methylphenyl)carbodiimide, N,N'-(4-Tol)2-carbodiimide, 1,3-bis[4-methylphenyl]carbodiimide, Di-para-tolylcarbodiimide, NSC 20627, SKL424

1,3-Di-p-tolylcarbodiimide (CAS 726-42-1) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C15H14N2 and a molecular weight of 222.28500 g/mol. Key properties include a melting point of 56-58ºC(lit.), a boiling point of 221-223ºC20 mm Hg(lit.), a density of 0.98g/cm3 and a flash point of 173.8ºC. It is classified under GHS with signal word Warning 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.
726-42-1
Jingsj CID
J-14569-7
Molecular Formula
C15H14N2
Molecular Weight
222.28500 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Melting Point56-58ºC(lit.)
Boiling Point221-223ºC20 mm Hg(lit.)
Density0.98g/cm3
Flash Point173.8ºC
Exact Mass222.11600
PSA24.72000
LogP4.44050
Refractive Index1.556

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H332 — Harmful if inhaled
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2921590090
Summary2921590090. other aromatic polyamines and their derivatives; salts thereof. 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 1,3-Di-p-tolylcarbodiimide?

The CAS number of 1,3-Di-p-tolylcarbodiimide is 726-42-1.

What are the molecular formula and molecular weight of 1,3-Di-p-tolylcarbodiimide?

1,3-Di-p-tolylcarbodiimide has molecular formula C15H14N2 and molecular weight 222.28500 g/mol.

Is 1,3-Di-p-tolylcarbodiimide hazardous?

1,3-Di-p-tolylcarbodiimide has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.

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

Last updated:

How to cite: Jingsj. "1,3-Di-p-tolylcarbodiimide (CAS 726-42-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14569-7 (accessed 2026-11-09).

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