Bioactivity | Methyl yellow (Solvent Yellow 2) is a pH indicator. Methyl yellow appears red at low pH, and becomes yellow above pH 4.0[1]. |
Name | Methyl yellow |
CAS | 60-11-7 |
Formula | C14H15N3 |
Molar Mass | 225.29 |
Appearance | 固体 |
Transport | Room temperature in continental US; may vary elsewhere. |
Storage | 4°C, protect from light *In solvent : -80°C, 6 months; -20°C, 1 month (protect from light) |
Reference | [1]. Nakano N, et, al. An automatic monitor of formaldehyde in air by a monitoring tape method. J Environ Monit. 1999 Jun;1(3):255-8. |