Solvent Red 49
Also known as: Rhodamine B base, CI 45170:1, CI 45170.1, Oil Pink B, SOLVENT RED BN, 3,6-bis(diethylamino)spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-bis(diethylamino)spiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3-one
Solvent Red 49 (CAS 509-34-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C28H30N2O3 and a molecular weight of 442.54900 g/mol. Key properties include a boiling point of 637.2ºC at 760 mmHg and a density of 1.24 g/cm3. 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.
- 509-34-2
- Jingsj CID
- J-21007-1
- Molecular Formula
- C28H30N2O3
- Molecular Weight
- 442.54900 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 637.2ºC at 760 mmHg |
|---|---|
| Density | 1.24 g/cm3 |
| Exact Mass | 442.22600 |
| PSA | 59.52000 |
| LogP | 4.22630 |
| Refractive Index | 1.652 |
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 | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Solvent Red 49?
The CAS number of Solvent Red 49 is 509-34-2.
What are the molecular formula and molecular weight of Solvent Red 49?
Solvent Red 49 has molecular formula C28H30N2O3 and molecular weight 442.54900 g/mol.
Is Solvent Red 49 hazardous?
Solvent Red 49 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 Solvent Red 49?
For Solvent Red 49, Upstream Products: Rhodamine B, 2-(Carboxycarbonyl)benzoic acid, 3-(Diethylamino)phenol; Downstream Products: 2-(4-Diethylamino-2-hydroxybenzoyl)benzoic acid, Rhodamine B hydrazide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Solvent Red 49 (CAS 509-34-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21007-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.