Chemical Product Library / Reference
Indigo
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Indigo |
|---|---|
| English synonyms | Indigotin;Vat Blue 1;CI 73000 |
| Chinese name | 靛蓝 |
| Chinese synonyms | 还原靛蓝;靛蓝粉;食用蓝色2号 |
| Chemical category | Organic Pigments |
| CAS No. | 482-89-3 |
| EINECS No. | 207-586-9 |
| Molecular formula | C16H10N2O2 |
| Molecular weight | 262.26 |
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.
Technical indicators
Purity ≥94.0%; moisture ≤0.5%; ash ≤0.5%; particle size according to grade
Performance characteristics
Dark blue powder, vat dye, good color fastness
Application scenarios
Textile dyeing (denim), organic pigment, food colorant (where permitted)