Xylenol orange is an organic reagent, most commonly used as a tetrasodium salt as an indicator for metal titrations.
| Xylenol orange, GR - Specification | |
| Synonyms | 3,3'-Bis[N,N-bis(carboxymethyl)aminomethyl]-o-cresolsulfonephthalein tetrasodium salt |
| Categories | Biological stains, Stains & dyes |
| Grade | AR / GR |
| HSN Code | 29349990 |
| Appearance (Form) | Powder or crystals |
| Appearance (Colour) | Very dark brown to very dark red |
| Absorption | Max 575 - 580 nm |
| Melting point | 195 °C (dec.)(lit.) |
| Loss on dying at 105 °C (1 hr) | Max 7.0% |
Safety Information
- Personal Protective Equipment Eye shields, Gloves, type N95 (US), type P1 (EN143) respirator filter
- WGK Germany 3