Bromocresol purple sodium salt, water soluble, pure indicator

Supplier: Thermo Scientific

Synonyms: Sodium α-(3-bromo-5-methyl-4-oxo-2,5-cyclohexadienylidene)-α-(3-bromo-5-methyl-4-hydroxyphenyl)toluenesulphonate, Bromocresol purple water soluble, Sodium 2-bromo-4-(3-(3-bromo-4-hydroxy-5-methylphenyl)-1,1-dioxido-3H-benzo[c][1,2]oxathiol-3-yl)-6-methylphenolate

229610050 229610100 229610250 229611000
ACRO229610050EA 47.6 GBP
ACRO229610050 ACRO229610100 ACRO229610250 ACRO229611000
Bromocresol purple sodium salt, water soluble, pure indicator
Bromocresol purple sodium salt
Formula: C₂₁H₁₅Br₂NaO₅S
MW: 562,21 g/mol
Melting Pt: 255 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00148896
CAS Number: 62625-30-3
EINECS: 263-655-3

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Specification Test Results

Appearance Red-brown Powder
Infrared spectrum Conforms
Solubility (0.1 % in water) Clear
Specific extinction E (1%/1cm) ≥900 (590 nm, 0.01 N NaOH)
Visual transition interval from pH 5.2 (yellow) to p 6.8 (purple)

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