3,4-Diaminotoluene
Also known as: 4-methyl-1,2-benzenediamine, 4-methyl-1,2-phenylenediamine, 4-methyl-o-phenylenediamine, 1,2-diamino-4-methylbenzene, Tolylene-3,4-diamine, 1,2-Benzenediamine, 4-methyl-, 2-AMINO-4-METHYLPHENYLAMINE, 4-METHYL-BENZENE-1,2-DIAMINE, MFCD00007728, EINECS 207-826-2
3,4-Diaminotoluene (CAS 496-72-0) 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 87-89 °C(lit.), a boiling point of 262.3±20.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 132.1±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 H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 496-72-0
- Jingsj CID
- J-964582-4
- Molecular Formula
- C7H10N2
- Molecular Weight
- 122.168 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 87-89 °C(lit.) |
|---|---|
| Boiling Point | 262.3±20.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 132.1±21.3 °C |
| Exact Mass | 122.084396 |
| PSA | 52.04000 |
| LogP | 0.51 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.636 |
| Additional Property | 16 g/L (20 ºC) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2921590090 |
|---|---|
| Summary | 2921590090. 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 3,4-Diaminotoluene?
The CAS number of 3,4-Diaminotoluene is 496-72-0.
What are the molecular formula and molecular weight of 3,4-Diaminotoluene?
3,4-Diaminotoluene has molecular formula C7H10N2 and molecular weight 122.168 g/mol.
Is 3,4-Diaminotoluene hazardous?
3,4-Diaminotoluene has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of 3,4-Diaminotoluene?
For 3,4-Diaminotoluene, Upstream Products: 3,4-Dinitrotoluene, 4-Methyl-2-nitroaniline, 5-Methyl-2-nitroaniline; Downstream Products: 2-(2-Chlorophenyl)-5-methyl-1H-benzimidazole, 2-Chloro-7-methylquinoxaline, 2-Hydroxyquinoline-3-carbaldehyde.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,4-Diaminotoluene (CAS 496-72-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-964582-4 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.