o-Tolualdehyde 2,4-dinitrophenylhydrazone
Also known as: o-Tolualdehyde-2,4-DNPH, 2,4-Dinitrophenylhydrazone of o-tolualdehyde, N-[(2-methylphenyl)methylideneamino]-2,4-dinitroaniline, 2'-Methylbenzaldehyde 2,4-dinitrophenylhydrazone, MFCD00191584, NSC 409528, T1447
o-Tolualdehyde 2,4-dinitrophenylhydrazone (CAS 1773-44-0) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C14H12N4O4 and a molecular weight of 300.26900 g/mol. Key properties include a melting point of 195-198ºC(lit.), a boiling point of 471.3ºC at 760 mmHg, a density of 1.36 g/cm3 and a flash point of 238.9ºC. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1773-44-0
- Jingsj CID
- J-19978-4
- Molecular Formula
- C14H12N4O4
- Molecular Weight
- 300.26900 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 195-198ºC(lit.) |
|---|---|
| Boiling Point | 471.3ºC at 760 mmHg |
| Density | 1.36 g/cm3 |
| Flash Point | 238.9ºC |
| Exact Mass | 300.08600 |
| PSA | 116.03000 |
| LogP | 4.37680 |
| Vapor Pressure | 4.7E-09mmHg at 25°C |
| Refractive Index | 1.638 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2928000090 |
|---|---|
| Summary | 2928000090 other organic derivatives of hydrazine or of hydroxylamine VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of o-Tolualdehyde 2,4-dinitrophenylhydrazone?
The CAS number of o-Tolualdehyde 2,4-dinitrophenylhydrazone is 1773-44-0.
What are the molecular formula and molecular weight of o-Tolualdehyde 2,4-dinitrophenylhydrazone?
o-Tolualdehyde 2,4-dinitrophenylhydrazone has molecular formula C14H12N4O4 and molecular weight 300.26900 g/mol.
Is o-Tolualdehyde 2,4-dinitrophenylhydrazone hazardous?
o-Tolualdehyde 2,4-dinitrophenylhydrazone has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.
What are the upstream and downstream products of o-Tolualdehyde 2,4-dinitrophenylhydrazone?
For o-Tolualdehyde 2,4-dinitrophenylhydrazone, Upstream Products: 2-Methylbenzaldehyde, 2,4-Dinitrophenylhydrazine, o-Toluic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "o-Tolualdehyde 2,4-dinitrophenylhydrazone (CAS 1773-44-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19978-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.