1,3-Dimethyl-5-nitrobenzene
Also known as: 5-Nitro-m-xylene, 1,3-Dimethyl-5-nitrobenzene, 5-Nitro-1,3-dimethylbenzene, 1-Nitro-3,5-dimethylbenzene, Nitroxylol, 3,5-Dimethylnitrobenzene, m-Xylene, 5-nitro-
1,3-Dimethyl-5-nitrobenzene (CAS 99-12-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H9NO2 and a molecular weight of 151.16300 g/mol. Key properties include a melting point of 72-74 °C(lit.), a boiling point of 273 °C739 mm Hg(lit.), a density of 1.129 g/cm3 and a flash point of 273°C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 99-12-7
- Jingsj CID
- J-1412335-4
- Molecular Formula
- C8H9NO2
- Molecular Weight
- 151.16300 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 72-74 °C(lit.) |
|---|---|
| Boiling Point | 273 °C739 mm Hg(lit.) |
| Density | 1.129 g/cm3 |
| Flash Point | 273°C |
| Exact Mass | 151.06300 |
| PSA | 45.82000 |
| LogP | 2.73480 |
| Refractive Index | 1.547 |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H311 — Toxic in contact with skin
- H331 — Toxic if inhaled
- H373 — May cause damage to organs through prolonged exposure
Customs & Trade Information
| HS Code | 2904209090 |
|---|---|
| Summary | 2904209090 derivatives containing only nitro or only nitroso groups。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1,3-Dimethyl-5-nitrobenzene?
The CAS number of 1,3-Dimethyl-5-nitrobenzene is 99-12-7.
What are the molecular formula and molecular weight of 1,3-Dimethyl-5-nitrobenzene?
1,3-Dimethyl-5-nitrobenzene has molecular formula C8H9NO2 and molecular weight 151.16300 g/mol.
Is 1,3-Dimethyl-5-nitrobenzene hazardous?
1,3-Dimethyl-5-nitrobenzene has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin; H331 — Toxic if inhaled.
What are the upstream and downstream products of 1,3-Dimethyl-5-nitrobenzene?
For 1,3-Dimethyl-5-nitrobenzene, Upstream Products: 5-Bromo-m-xylene, 3,5-Dimethylphenylboronic acid, 3,5-Dimethylaniline; Downstream Products: N,N,3,5-Tetramethylaniline, 4-Bromo-3,5-dimethylaniline, 5-Nitroisophthalic 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. "1,3-Dimethyl-5-nitrobenzene (CAS 99-12-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1412335-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.