Pararosaniline hydrochloride
Also known as: Basic Red 9, Pararosaniline chloride, Parafuchsin hydrochloride, Paramagenta hydrochloride, p-Rosaniline hydrochloride, C.I. 42500, Basic Fuchsin, Magenta 1, Fuchsin, 4-[(4-aminophenyl)-(4-iminocyclohexa-2,5-dien-1-ylidene)methyl]aniline hydrochloride, tris(4-aminophenyl)methylium chloride
Pararosaniline hydrochloride (CAS 569-61-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C19H18ClN3 and a molecular weight of 323.819 g/mol. Key properties include a melting point of 250 °C, a boiling point of 568.2ºC at 760mmHg, a density of 0.999 g/mL at 20 °C and a flash point of 11 °C. It is classified under GHS with signal word Danger and hazard statements H350 — May cause cancer. It is listed by 1 supplier, from 1.20 to 4.60 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 569-61-9
- Jingsj CID
- J-1114615-9
- Molecular Formula
- C19H18ClN3
- Molecular Weight
- 323.819 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | AR 100ml | ¥120.00 | $0.18 /mlBest ¥1.20/ml CNY | CN China MOQ 100ml | |
In Stock | BS 25g | ¥42.00 | $0.25 /g ¥1.68/g CNY | CN China MOQ 25g | |
In Stock | AR 10g | ¥46.00 | $0.69 /g ¥4.60/g CNY | CN China MOQ 10g |
Physicochemical Properties
| Melting Point | 250 °C |
|---|---|
| Boiling Point | 568.2ºC at 760mmHg |
| Density | 0.999 g/mL at 20 °C |
| Flash Point | 11 °C |
| Exact Mass | 323.118927 |
| PSA | 75.89000 |
| LogP | 5.86280 |
| Refractive Index | n20/D 1.334 |
| Additional Property | 10 G/L (25 ºC) |
GHS Safety & Compliance
- H350 — May cause cancer
Activity & Biological Data
| Additional Information | [1]. Yaagoob IY, et al. A resin containing motifs of maleic acid and glycine: a super-adsorbent for adsorptive removal of basic dye pararosaniline hydrochloride and Cd(II) from water. J Environ Health Sci Eng. 2021 Jun 17;19(2):1333-1346. [2]. Barun Kumar Nandi, et al. Removal of Pararosaniline Hydrochloride Dye (Basic Red 9) from Aqueous Solution by Electrocoagulation: Experimental, Kinetics, and Modeling. Journal of Dispersion Science and Technology. Volume 34, 2013 - Issue 12. 1713-1724 |
|---|
Customs & Trade Information
| HS Code | 2921499090 |
|---|---|
| Summary | 2921499090 other aromatic monoamines 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 Pararosaniline hydrochloride?
The CAS number of Pararosaniline hydrochloride is 569-61-9.
What are the molecular formula and molecular weight of Pararosaniline hydrochloride?
Pararosaniline hydrochloride has molecular formula C19H18ClN3 and molecular weight 323.819 g/mol.
Which suppliers offer Pararosaniline hydrochloride?
1 supplier(s) listed; reference unit price ¥1.20–4.60 /ml.
Is Pararosaniline hydrochloride hazardous?
Pararosaniline hydrochloride has GHS signal word Danger and hazard statements H350 — May cause cancer.
What are the upstream and downstream products of Pararosaniline hydrochloride?
For Pararosaniline hydrochloride, Upstream Products: Pararosaniline hydrochloride; Downstream Products: Pararosaniline hydrochloride, Tris(4-aminophenyl)methane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pararosaniline hydrochloride (CAS 569-61-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1114615-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.