Neutral red
General information
General information
| Chemical formula: C₁₅H₁₇ClN₄ | Molar Mass: 288.78 g/mol |
| Appearance: Dark green powder | Bulk density: 350 – 500 kg/m3 |
| Solub. in water: 50 g/l | Melting point: 290 °C |
| Boiling point: 497.3 °C at 760mmHg | pH value: 3.1 (20°C) |
| Storage temp.: +2°C to +30°C | Cautions: Not a hazardous substance |
| R: N/A | S: N/A |
| HS-No.: 3212 90 00 | EC number: 209-035-8 |
Specification
Specification
| Description | Conforms | ||
| Dye content (by spectrophotometrically) | ≥ | 60.0 | % |
| Transition range (pH 6.8-8.0 ) | Conforms | ||
| Solubility (0.1% in 50% ethanol) | Conforms | ||
| Absorption maxima ( ethanol 50 % +2ml acetic acid) | 539-544 | nm | |
| Absorptivity (A 1%/1cm: at λmax: in 50% ethanol + 2ml acetic acid) | ≥ | 900 | |
| Loss on drying (at 110°C) | ≤ | 12.0 | % |
Ordering code
Ordering code
| Ordering code | 10 g | 25 g | 50 g | 100 g | 250 g |
| P.E. | |||||
| Glass | 631.16.00010.01 |
Hazard symbol
Hazard symbol
| Hazard Symbol |
محصولات مرتبط
