Neutral Red
Also known as: Neutral Red, Basic Red 5, C.I. Basic Red 5, C.I. 50040, 3-Amino-7-dimethylamino-2-methylphenazine hydrochloride, N8,N8,3-Trimethyl-2,8-phenazinediamine monohydrochloride, Toluylene Red, 2,8-Phenazinediamine, N8,N8,3-trimethyl-, monohydrochloride, Aminodimethylaminotoluaminozine, Michrome No. 226, Neutral Red chloride
Neutral Red (CAS 553-24-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C15H17ClN4 and a molecular weight of 288.775 g/mol. Key properties include a melting point of 290 °C (dec.)(lit.) and a boiling point of 497.3ºC at 760mmHg. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 553-24-2
- Jingsj CID
- J-6816-6
- Molecular Formula
- C15H17ClN4
- Molecular Weight
- 288.775 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 290 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 497.3ºC at 760mmHg |
| Exact Mass | 288.114166 |
| PSA | 55.04000 |
| LogP | 4.12280 |
| Additional Property | 50 g/L |
Activity & Biological Data
| Additional Information | [1]. Winfried AUSLANDER, et al. NEUTRAL RED, A RAPID INDICATOR FOR pH-CHANGES IN THE INNER PHASE OF THYLAKOIDS. FEBS LETTERS. 1975 Nov. [2]. Ellen Borenfreund, et al. A simple quantitative procedure using monolayer cultures for cytotoxicity assays (HTD/NR-90). Journal of tissue culture methods volume 9, pages7–9 (1985). |
|---|
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen 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 Neutral Red?
The CAS number of Neutral Red is 553-24-2.
What are the molecular formula and molecular weight of Neutral Red?
Neutral Red has molecular formula C15H17ClN4 and molecular weight 288.775 g/mol.
Which suppliers offer Neutral Red?
1 supplier(s) listed; request a quote for pricing.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Neutral Red (CAS 553-24-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6816-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.