Availability: | |
---|---|
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
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 |
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.
Not a hazardous substance or mixture.