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Thermo Scientific Chemicals Bromocresol Purple

Numéro de catalogue. AAA1953018
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Numéro de catalogue. AAA1953018 Fournisseur Thermo Scientific Chemicals Code fournisseur A1953018
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CAS: 115-40-2 | C21H16Br2O5S | 540.22 g/mol

It is used as a pH indicator and to measure serum albumin concentrations. It is used as a pH indicator (5.2-6.8 : yellow to blue-purple) and also used in spectrophotometric determination of serum-albumin.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
It is used as a pH indicator and to measure serum albumin concentrations. It is used as a pH indicator (5.2-6.8 : yellow to blue-purple) and also used in spectrophotometric determination of serum-albumin.

Solubility
Insoluble in water. Soluble in ethanol (80 mg/ml), alcohol, methanol (4 mg/ml), methyl cellosolve (300 mg/ml) and dilute alkalies.

Notes
Transition interval: pH 5.2 (yellow) to pH 6.8 (purple)

Identifiants chimiques

CAS 115-40-2
Molecular Formula C21H16Br2O5S
Molecular Weight (g/mol) 540.22
MDL Number MFCD00011681
InChI Key ABIUHPWEYMSGSR-UHFFFAOYSA-N
PubChem CID 8273
ChEBI CHEBI:86154
IUPAC Name 2-bromo-4-[3-(3-bromo-4-hydroxy-5-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-6-methylphenol
SMILES CC1=CC(=CC(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(Br)=C1

Spécifications

Melting Point ∼240°C (decomposition)
Beilstein 359618
Merck Index 14,1387
Solubility Information Insoluble in water. Soluble in ethanol (80mg/ml),alcohol,methanol (4mg/ml),methyl cellosolve (300mg/ml) and dilute alkalies.
Formula Weight 540.24
Quantity 50 g
Chemical Name or Material Bromocresol Purple
Hazard Category Warning
Hazard Statement GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
Precautionary Statement GHS P Statement
P261-P280-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
EINECSNumber 204-087-8
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only