Thymol blue (thymolsulphonephthalein) is a brownish-green or reddish-brown crystalline powder that is used as a pH indicator.
Thymol Blue Free Acid ACS
£15.54 – £174.00
Molecular Formula: C27H30O5S
Molecular Weight: 466.59 g/mol
Melting Point: 221 – 224 °C
Visual transition interval: pH 1.2 (red) – (acid range) pH 2.8 (yellow)
Visual transition interval: pH 8.0 (yellow) – (alkaline range) pH 9.2 (blue)
Loss on drying: < 5.0%
Hazard Phrazes: Not considered harmful under normal laboratory conditions
HS CODE: 32129000
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Additional information
Weight | N/A |
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Pack Size | 5gm, 10gm, 25gm, 50gm, 100gm |