Bromocresol green ≥95% (dye content), powder, AnalaR NORMAPUR® ACS pH-indicator

Supplier: VWR Chemicals

Synonyms: 3,3-Bis(3,5-dibromo-4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide

VWRC85911.080EA 11.1 SGD
VWRC85911.080 VWRC85911.100 VWRC85911.130
Bromocresol green ≥95% (dye content), powder, AnalaR NORMAPUR® ACS pH-indicator
Bromocresol green
Formula: C₂₁H₁₄Br₄O₅S
MW: 698,02 g/mol
Melting Pt: 217…218 °C
Storage Temperature: Ambient
MDL Number: MFCD00005874
CAS Number: 76-60-8
EINECS: 200-972-8
Merck Index: 13,01370

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Specification Test Results

Dye content (spectrophotometrically) ≥ 95 %
Appearance Yellow to tan powder
Appearance of solution Conforms
Identification (IR) Passes test
Sensitivity Passes test
Transition range (according to ACS) Passes test
Visual transition interval pH 3.8 - pH 5.4
Loss on drying (110°C) ≤ 3 %

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