It is used as an optical brightening agent in textile and pigments industry. Current capacity 150 metric tonnes per month. Similar to resist salt in appearance and form, except it is white to pinkish in colour.
| Product | Metanilic Acid |
| Chemical Name | - 3-AMINOBENZENESULFONIC ACID - M-Sulfanilic acid - M-Aminobenzenesulfonic acid - M-Anilinesulfonic acid |
| Synonyms | Monosodium salt |
| Molecular Weight | 173.2 |
| Chemical Formula | C6H7NO3S |
| Description | Slight pinkish white to off white coloured powder |
| Purity | 98% min |
| Solubility | Freely soluble giving almost clear solution with traces of insolubles |
| Insolubles | 0.1% max |
| Packing | Standard packaging size ranges from 20-50kgs depending on customer specifications jumbo bags range from 350-700kgs. |
| Hazard | - Harmful if swallowed [Warning Acute toxicity, oral] - Harmful in contact with skin [Warning Acute toxicity, dermal] - Harmful if inhaled [Warning Acute toxicity, inhalation] |
| Storage | >300 °C (lit.) |