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2,6-Diaminotoluene

Also known as: 2,6-Toluenediamine, 2-Methyl-m-phenylenediamine, 2-Methyl-1,3-benzenediamine, 1,3-Diamino-2-methylbenzene, 2-Methylbenzene-1,3-diamine, 2,6-Tolylenediamine

2,6-Diaminotoluene (CAS 823-40-5) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C7H10N2 and a molecular weight of 122.168 g/mol. Key properties include a melting point of 104-106 °C(lit.), a boiling point of 284.2±20.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 148.3±21.3 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
823-40-5
Jingsj CID
J-1392700-9
Molecular Formula
C7H10N2
Molecular Weight
122.168 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Melting Point104-106 °C(lit.)
Boiling Point284.2±20.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point148.3±21.3 °C
Exact Mass122.084396
PSA52.04000
LogP0.15
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.636
Additional Property60 g/L (15 ºC)

GHS Safety & Compliance

Irritant / Health Hazard / Environmental HazardSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H317 — May cause an allergic skin reaction
  • H341 — Suspected of causing genetic defects
  • H411 — Toxic to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of 2,6-Diaminotoluene?

The CAS number of 2,6-Diaminotoluene is 823-40-5.

What are the molecular formula and molecular weight of 2,6-Diaminotoluene?

2,6-Diaminotoluene has molecular formula C7H10N2 and molecular weight 122.168 g/mol.

Is 2,6-Diaminotoluene hazardous?

2,6-Diaminotoluene has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H317 — May cause an allergic skin reaction.

What are the upstream and downstream products of 2,6-Diaminotoluene?

For 2,6-Diaminotoluene, Upstream Products: 1,2-Dichloro-4-methyl-3,5-dinitrobenzene, Toluene-2,6-diisocyanate, 3,5-Dinitrotoluene; Downstream Products: 1-Methyl-3,5-diethyl-2,6-diaminobenzene, 2,4-diamino-3,5-diethyltoluene, 2,3-Diaminotoluene.

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

Last updated:

How to cite: Jingsj. "2,6-Diaminotoluene (CAS 823-40-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1392700-9 (accessed 2026-11-09).

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