25g Thymol Blue Free Acid ACS
Product Code: b6xkcNp
Thymol blue (thymolsulphonephthalein) is a brownish-green or reddish-brown crystalline powder that is used as a pH indicator.
Thymol blue is used as a pH indicator. It transitions from red to yellow at pH 1.2–2.8 and from yellow to blue at pH 8.0–9.6. It is usually a component of Universal indicator.
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
Cas No: 76-61-9
Einecs No: 200-973-3
Thymol blue is used as a pH indicator. It transitions from red to yellow at pH 1.2–2.8 and from yellow to blue at pH 8.0–9.6. It is usually a component of Universal indicator.
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
Cas No: 76-61-9
Einecs No: 200-973-3
Product Code: b6xkcNp
Product Condition: New
weight: 25.0g
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