Toluene-2,4-diisocyanate
Also known as: 2,4-Diisocyanatotoluene, 2,4-Tolylene diisocyanate, 4-Methyl-1,3-phenylene diisocyanate, 1,3-Diisocyanato-4-methylbenzene, 2,4-Toluene diisocyanate, Tolylene-2,4-diisocyanate, BASF Lupranate T80, Hylene T, Mondur td, Niax TDI, TDI-80
Toluene-2,4-diisocyanate (CAS 584-84-9) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C9H6N2O2 and a molecular weight of 174.156 g/mol. Key properties include a melting point of 20-22 °C(lit.), a boiling point of 251.0±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 110.5±30.7 °C. It is classified under GHS with signal word Danger 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.
- 584-84-9
- Jingsj CID
- J-24031-0
- Molecular Formula
- C9H6N2O2
- Molecular Weight
- 174.156 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 20-22 °C(lit.) |
|---|---|
| Boiling Point | 251.0±0.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 110.5±30.7 °C |
| Exact Mass | 174.042923 |
| PSA | 58.86000 |
| LogP | 3.47 |
| Additional Property | 6 (vs air) |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.559 |
| Additional Property | reacts |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
- H319 — Causes serious eye irritation
- H330 — Fatal if inhaled
- H334 — May cause allergy or asthma symptoms if inhaled
- H335 — May cause respiratory irritation
- H351 — Suspected of causing cancer
- H412 — Harmful to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 29291010 |
|---|
Frequently Asked Questions
What is the CAS number of Toluene-2,4-diisocyanate?
The CAS number of Toluene-2,4-diisocyanate is 584-84-9.
What are the molecular formula and molecular weight of Toluene-2,4-diisocyanate?
Toluene-2,4-diisocyanate has molecular formula C9H6N2O2 and molecular weight 174.156 g/mol.
Is Toluene-2,4-diisocyanate hazardous?
Toluene-2,4-diisocyanate has GHS signal word Danger 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 Toluene-2,4-diisocyanate?
For Toluene-2,4-diisocyanate, Upstream Products: Obtucarbamate A, 4-Methylbenzene-1,3-diamine; Downstream Products: 4-Methylbenzene-1,3-diamine, Carbon, Triethylamine hydrochloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Toluene-2,4-diisocyanate (CAS 584-84-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24031-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.