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Bromocresol Green Sultone Form

SIGMA/17470 - for microscopy (Bot., Hist., Vit.), indicator (pH 3.8-5.4)

Synonym: 3′,3′′,5′,5′′-Tetrabromo-m-cresolsulfonephthalein; Bromocresol Blue

CAS Number: 76-60-8
Empirical Formula (Hill Notation): C21H14Br4O5S
Molecular Weight: 698.01
EC Number: 200-972-8
MDL Number: MFCD00005874
Linear Formula: C21H14Br4O5S
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-17470-5G 5 g
 $64.10
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45-17470-25G 25 g
 $243.00
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εmax ≥225 at 418-428 nm in methanol
application(s) diagnostic assay manufacturing
hematology
histology
form powder
grade for microscopy (Bot., Hist., Vit.)
  indicator (pH 3.8-5.4)
InChI 1S/C21H14Br4O5S/c1-9-12(7-14(22)19(26)17(9)24)21(13-8-15(23)20(27)18(25)10(13)2)11-5-3-4-6-16(11)31(28,29)30-21/h3-8,26-27H,1-2H3
InChI key FRPHFZCDPYBUAU-UHFFFAOYSA-N
mp 225 °C
pH 3.8-5.4, yellow to blue
Quality Level 200 
SMILES string Cc1c(Br)c(O)c(Br)cc1C2(OS(=O)(=O)c3ccccc23)c4cc(Br)c(O)c(Br)c4C
solubility methanol: water (1:1): 0.1 g/10 mL, red
storage temp. room temp
technique(s) titration: suitable
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