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IND
LABOR
405333123
Bromophenol Blue IND Grade Reagent
Cas Number:115-39-9
Formula: C19H10Br4O5S
Molar Mass:669.96
EC Number:204-086-2
Properties:
Light yellow to brownish yellow powder. It is soluble in sodium hydroxide solution, methanol, ethanol and benzene, slightly soluble in water (about 0.4G/100ml). The melting point is 279 ° C (decomposition). The maximum absorption wavelength is 422 nm.
Usage:
Acid-base indicator, pH discoloration range: 3.0 (yellow) ~ 4.6 (purple). Adsorption indicator.
Packing:
500g/25kg
Bromophenol Blue IND Grade Reagent
Cas Number:115-39-9
Formula: C19H10Br4O5S
Molar Mass:669.96
EC Number:204-086-2
Properties:
Light yellow to brownish yellow powder. It is soluble in sodium hydroxide solution, methanol, ethanol and benzene, slightly soluble in water (about 0.4G/100ml). The melting point is 279 ° C (decomposition). The maximum absorption wavelength is 422 nm.
Usage:
Acid-base indicator, pH discoloration range: 3.0 (yellow) ~ 4.6 (purple). Adsorption indicator.
Packing:
500g/25kg
Item of Analysis | Standard |
pH discoloration domain | 3.0(Yellow)~4.6(Blue purple) |
Solubility in ethanol | to pass test |
Residue on ignition(as SO4),% | 0.25 max |
Mass absorption coefficient,(L/cm·g) | 115 min |
Item of Analysis | Standard |
pH discoloration domain | 3.0(Yellow)~4.6(Blue purple) |
Solubility in ethanol | to pass test |
Residue on ignition(as SO4),% | 0.25 max |
Mass absorption coefficient,(L/cm·g) | 115 min |
Not a hazardous substance or mixture.
Not a hazardous substance or mixture.