HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Bromocresol Purple
BCP · bromocresol · BROMCRESOL PURPLE · BROMOCRESOL PURPLE SOLUTION · 4,4’-(3h-2,1-benzoxathiol-3-ylidene)bis(2-bromo-6-methylphenol)s,s-dioxide · Nsc 374134 · M.W. 540.24 · Bromocresolred

Identifikatoren & physikalische Daten
| CAS No. | 115-40-2 |
|---|---|
| Summenformel | C21H16Br2O5S |
| Durchschnittliche Molmasse | 540,2 g/mol |
| Monoisotopische Masse | 537,90851881 g/mol |
| SMILES | Cc1cc(C2(c3cc(C)c(O)c(Br)c3)OS(=O)(=O)c3ccccc32)cc(Br)c1O |
| InChIKey | ABIUHPWEYMSGSR-UHFFFAOYSA-N |
| PubChem CID | 8273 |
| ChEBI | CHEBI:86154 |
| EC No. | 204-087-8 |
| DTXSID | DTXSID3059428 |
Chemische & physikalische Eigenschaften
| XLogP | 5,1 |
|---|---|
| Polarare Oberfläche (TPSA) | 92,2 |
| H-Brücken-Donoren | 2 |
| H-Brücken-Akzeptoren | 5 |
| Frei drehbare Bindungen | 2 |
| Schwere Atome | 29 |
| Formalladung | 0 |
| Komplexität | 680 |
| Stoffklassen | Dyes -> Indicator Dyes |
| Color/Form | Minute, slightly yellow crystals |
| Löslichkeit | Soluble in alcohol, dilute alkaliesethanol: soluble1mg/mLpractically insoluble |
| Schmelzpunkt | 241.5 °C240 °C (dec.) (lit.) |
| Physical Description | Odorless, pale-yellow to purple solidAvailable as pure compound, monosodium salt, and dilute solutions[CHEMINFO] |
| Dissociation Constants | pKa = 6.3 |
| Dichte | 1.6509 (estimate) |
| Flammpunkt | 36 °C |
| Lagerbedingungen | Store at +5°C to +30°C. |
| pKa (Säurekonstante) | 6.21, 6.3, 6.4(at 25℃) |
| Aggregatzustand | Solid |
| Siedepunkt | 590.2±50.0 °C(Predicted) |
| Farbe | Purplish-brown |
| pH | pH : 5.2~6.8 |
| Merck | 14,1387 |
| BRN | 359618 |
| Henry-Konstante | 9.9×1012 mol/(m3Pa) at 25℃, HSDB (2015) |
| Stabilität | Stable. Incompatible with strong oxidizing agents. |
| Hauptanwendungen | Waveguides, fuel cells, sensors, sol-gel technology, display device, falsification-proof security paper, paints, detergents, identifying fresh and stale rice, detecting lactic acid bacteria, dental materials, vaginal infection test method |
| InChI | 1S/C21H16Br2O5S/c1-11-7-13(9-16(22)19(11)24)21(14-8-12(2)20(25)17(23)10-14)15-5-3-4-6-18(15)29(26,27)28-21/h3-10,24-25H,1-2H3 |
| InChIKey | ABIUHPWEYMSGSR-UHFFFAOYSA-N |
| SMILES | Cc1cc(cc(Br)c1O)C2(OS(=O)(=O)c3ccccc23)c4cc(C)c(O)c(Br)c4 |
| CAS Datenbank | 115-40-2(CAS DataBase Reference) |
| EPA chemische Informationen | Bromcresol Purple (115-40-2) |
Sicherheit & Vorschriften
| GHS-Einstufung | This chemical does not meet GHS hazard criteria for 6.9% (7 of 101) of reports.WarningH315 (93.1%): Causes skin irritation [Warning Skin corrosion/irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 101 reports by companies from 11 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
|---|---|
| Regulatorische Informationen | Chemical: Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-6-methyl-, S,S-dioxideHazard Traits - BioaccumulationEnvironmental PersistencePhenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-6-methyl-: Does not have an individual approval but may be used under an appropriate group standard |
| Weitere Sicherheitsinformationen | IMAP assessments - Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-6-methyl-, S,S-dioxide: Human health tier I assessment |
| Gefahrenübersicht | Dust may be irritating if inhaled[CHEMINFO] |
| Hazard Classes and Categories | Skin Irrit. 2 (93.1%) |
| Skin, Eye, and Respiratory Irritations | May cause respiratory tract irritation. May be harmful if absorbed through skin. May cause skin irritation. May cause eye irritation. |
| Hazardous Reactivities and Incompatibilities | Materials to avoid: Strong oxidizing agents. |
| Brandbekämpfungsverfahren | Suitable extinguishing media: Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide. Special protective equipment for fire-fighters: Wear self contained breathing apparatus for fire fighting if necessary.Special protective equipment for fire-fighters: Wear self contained breathing apparatus for fire fighting if necessary. |
| Lagerbedingungen | Keep container tightly closed in a dry and well-ventilated place. |
Anwendungen & Verwendung
Verwenden
Bromocresol purple has been used as a pH indicator in the yeast culture media. It has been used as a pH indicator in the culture media of Geobacillus stearothermophilus subsp. Calidolactis.