Para Red
Also known as: 1-(4-Nitrophenylazo)-2-naphthol, C.I. Pigment Red 1, Pigment Red 1, Fast Rose Red Lake, Para Red Toner, 1-[(4-Nitrophenyl)azo]-2-naphthalenol, 1-(p-Nitrophenylazo)-2-naphthol, C.I. 12070
Para Red (CAS 6410-10-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H11N3O3 and a molecular weight of 293.27700 g/mol. Key properties include a melting point of 248-252 °C, a boiling point of 489.5ºC at 760 mmHg, a density of 1.35g/cm3 and a flash point of 249.8ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6410-10-2
- Jingsj CID
- J-1990777-8
- Molecular Formula
- C16H11N3O3
- Molecular Weight
- 293.27700 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 248-252 °C |
|---|---|
| Boiling Point | 489.5ºC at 760 mmHg |
| Density | 1.35g/cm3 |
| Flash Point | 249.8ºC |
| Exact Mass | 293.08000 |
| PSA | 90.77000 |
| LogP | 5.39220 |
| Refractive Index | 1.673 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2927000090 |
|---|---|
| Summary | 2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Para Red?
The CAS number of Para Red is 6410-10-2.
What are the molecular formula and molecular weight of Para Red?
Para Red has molecular formula C16H11N3O3 and molecular weight 293.27700 g/mol.
Is Para Red hazardous?
Para Red has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory 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. "Para Red (CAS 6410-10-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990777-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.