Molekula
Purple di bromocresolo
Bromocresol Purple is a pH indicator dye used in analytical chemistry and biological assays to detect acid-base transitions. It appears purple in basic solutions and yellow in acidic conditions. Available in powder form with a molecular weight of 540.22 g/mol, CAS number 115-40-2, and molecular formula C21H16Br2O5S. Store at ambient temperature. Signal word: Warning. Molekula supplies Bromocresol Purple from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Panoramica
Bromocresol Purple is a pH indicator dye used in analytical chemistry and biological assays to detect acid-base transitions. It appears purple in basic solutions and yellow in acidic conditions. Available in powder form with a molecular weight of 540.22 g/mol, CAS number 115-40-2, and molecular formula C21H16Br2O5S. Store at ambient temperature. Signal word: Warning. Molekula supplies Bromocresol Purple from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifiche
| Property | Value |
|---|---|
| Appearance | Pink/Purple Powder |
| Grade | ACS Grade |
| Loss on Drying | ≤ 1.0% |
| Dye Content | ≥ 95% |
| Transition Range | pH: 5.2 (yellow) , pH: 6.8 (purple) |
| Absorption maximum (pH 5.2) max | 431 nm |
| Absorption maximum (pH 6.8) max | 589 nm |
| Absorptivity (A 1% in 1cmcell, pH 5.2 max | 437 |
| Absorptivity (A 1% in 1cmcell, pH 6.8 max | 1057 |
Immagazzinamento e manipolazione
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 60 months |
| Acidity | Neutral |
Identificazione
| Property | Value |
|---|---|
| CAS Number | 115-40-2 |
| Molecular Formula | C21H16Br2O5S |
| Molecular Weight | 540.22 |
| SMILES | CC1=CC(=CC(=C1O)Br)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4)C)O)Br |
| REACH Code | Y113 |
| HTS Code | 2934999001 |
| Tariff Code | 2934999090 |
Sicurezza e GHS
-
Health Hazard
GHS07
Dichiarazioni di pericolo
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Istruzioni di precauzione
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P332+313 IF skin irritation occurs: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
Solo per uso di ricerca e industriale
Documenti
Certificato di Analisi (CoA) per lotto
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Prezzi e formati disponibili
Sinonimi
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Domande frequenti
What is Bromocresol Purple used for?
Bromocresol Purple is primarily used as a pH indicator in analytical chemistry, particularly in the range of pH 5.2 to 6.8, where it changes from yellow to purple.
What is the chemical formula and molecular weight of Bromocresol Purple?
The chemical formula is C21H16Br2O5S, and the molecular weight is 540.22 g/mol.
How should Bromocresol Purple be stored?
It should be stored at ambient temperature, protected from light and moisture.
What grade of Bromocresol Purple does Molekula supply?
Molekula supplies Bromocresol Purple in analytical grade.
Can Molekula supply Bromocresol Purple in bulk?
Yes, Molekula can supply Bromocresol Purple in bulk quantities—please contact our sales team for details.
What documentation comes with a purchase of Bromocresol Purple?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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