N,N-Dimethyl-4-nitrosoaniline
Also known as: p-Nitrosodimethylaniline, p-Nitroso-N,N-dimethylaniline, N,N-Dimethyl-p-nitrosoaniline, 4-Nitroso-N,N-dimethylaniline, p-(Dimethylamino)nitrosobenzene, N,N-dimethyl-4-nitrosoaniline, N,N-DIMETHYL-P-NITROSOANILINE, P-NITROSODIMETHYLANILINE, MFCD00002063, EINECS 205-343-1
N,N-Dimethyl-4-nitrosoaniline (CAS 138-89-6) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C8H10N2O and a molecular weight of 150.178 g/mol. Key properties include a melting point of 85-87 °C(lit.), a boiling point of 258.7±23.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 110.3±22.6 °C. It is classified under GHS with signal word Danger and hazard statements H251, H301 — Toxic if swallowed and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 138-89-6
- Jingsj CID
- J-47401-1
- Molecular Formula
- C8H10N2O
- Molecular Weight
- 150.178 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 85-87 °C(lit.) |
|---|---|
| Boiling Point | 258.7±23.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 110.3±22.6 °C |
| Exact Mass | 150.079315 |
| PSA | 32.67000 |
| LogP | 2.02 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.529 |
GHS Safety & Compliance
- H251
- H301 — Toxic if swallowed
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2921430090 |
|---|---|
| Summary | HS:2921430090 toluidines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of N,N-Dimethyl-4-nitrosoaniline?
The CAS number of N,N-Dimethyl-4-nitrosoaniline is 138-89-6.
What are the molecular formula and molecular weight of N,N-Dimethyl-4-nitrosoaniline?
N,N-Dimethyl-4-nitrosoaniline has molecular formula C8H10N2O and molecular weight 150.178 g/mol.
Is N,N-Dimethyl-4-nitrosoaniline hazardous?
N,N-Dimethyl-4-nitrosoaniline has GHS signal word Danger and hazard statements H251; H301 — Toxic if swallowed; 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. "N,N-Dimethyl-4-nitrosoaniline (CAS 138-89-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47401-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.