Tropeolin OOO, indicator
Buy Tropeolin OOO, indicator (CAS 633-96-5) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-000423.
About Tropeolin OOO, indicator
Tropeolin OOO, indicator sits in our indicators, Chelating Agents & Test Papers section and ships worldwide from stock or short lead time. For your records, the material is defined by CAS 633-96-5, formula C16H11N2NaO4S and molar mass 350.3 g/mol. It is described as orange powder.
Where it is used
- Titration end-point detection
- pH determination
- Analytical testing
Storage and safety notes
Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.
Standard pack sizes are 25 g, 100 g, 1 kg and 25 kg, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Titration end-point detection
- pH determination
- Analytical testing
Applications
Specifications and identifiers
| Product name | Tropeolin OOO, indicator |
|---|---|
| Catalogue number | ZX-000423 |
| CAS number | 633-96-5 |
| IUPAC name | sodium 4-[(2-hydroxynaphthalen-1-yl)diazenyl]benzenesulfonate |
| Molecular formula | C16H11N2NaO4S |
| Molar mass | 350.3 g/mol |
| Exact mass | 350.0337 |
| Physical form | Powder |
| Appearance | Orange powder |
| H-bond donors / acceptors | 1 / 6 |
| Topological polar surface area | 111 Ų |
| HS code | 32129090 |
| InChIKey | CQPFMGBJSMSXLP-UHFFFAOYSA-M |
| SMILES | C1=CC=C2C(=C1)C=CC(=C2N=NC3=CC=C(C=C3)S(=O)(=O)[O-])O.[Na+] |
| PubChem CID | 135442941 |
| Synonyms | 4-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt, Acid Orange A, Acid Orange 7, Orange II, Tropaeolin 000 No. 2, C.I. Acid Orange 7, 2-naphthol orange, 4-((2-Hydroxy-1-naphthalenyl)azo)benzenesulfonic acid monosodium salt, beta-naphthol orange, AO-7 dye, Acid Orange, Orange II sodium salt |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements P261, P305 + P351 + P338
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | Quoted on request | |
| 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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Other grades with CAS 633-96-5
- CAS
- 633-96-5
- Formula
- C16H11N2NaO4S
- MW
- 350.3 g/mol
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