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Bromothymol Blue IND Grade Reagent

Cas Number:76-59-5
Formula: C27H28Br2O5S
Molar Mass:624.38
EC Number:200-971-2

Quantity:
  • IND
  • LABOR
  • 405233123

Bromothymol Blue IND Grade Reagent


Cas Number:76-59-5

Formula: C27H28Br2O5S

Molar Mass:624.38

EC Number:200-971-2


Properties:

White or cream crystals. It is soluble in ethanol, ether, methanol and dilute aqueous alkali solution, slightly soluble in benzene, toluene and xylene and water, almost insoluble in petroleum ether. The melting point is 200-202 °C. The maximum absorption wavelength is 420 nm.


Usage:

Acid-base indicator, pH: 6.0 (yellow) ~ 7.6 (blue). Adsorption indicator.


Packing:

500g/25kg





Item of Analysis

Standard

pH discoloration domain

6.0(Yellow)~7.6(Blue)

Mass absorption coefficient,α/ (L/cm·g)

52.0 min

Solubility in ethanol

to pass test

Residue on ignition(as SO4) ,%

0.3 max



Not a hazardous substance or mixture.


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