Bromocresol purple, pure indicator grade

Supplier: Thermo Scientific Chemicals

Synonyms: 5',5''-Dibromo-o-cresolsulphonphthalein, 3,3-Bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide

15133-0010 15133-0050 15133-0250 15133-1400
TS15133-0010EA 1193 USD
TS15133-0010 TS15133-0050 TS15133-0250 TS15133-1400
Bromocresol purple, pure indicator grade
Bromocresol purple
Formula: C₂₁H₁₆Br₂O₅S
MW: 540.23 g/mol
Melting Pt: 245 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00011681
CAS Number: 115-40-2
EINECS: 204-087-8
Merck Index: 1301371

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Specification Test Results

Appearance Light pink to pink-orange Powder
Infrared spectrum Conforms
Solubility (0.1 % in 50 % ethanol) Clear
UV (20 mg/l in methanol) Complies
Visual transition interval from pH 5.2 (yellow) to pH 6.8 (purple)

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