98%
400G
Door-to-door
| Appearance | - | UN | - |
| HS | 29172090 | DG Class | - |
| Synonyms | 2,3,6,7-Naphthalenetetracarboxylic2,3:6,7-Dianhydride; 2,3,6,7-Naphthalenetetracarboxylic Dianhydride; 1H,3H-Naphtho[2,3-c:6,7-c']Difuran-1,3,6,8-Tetrone; 2,3,6,7-Ntcda; Naphtho[2,3-c:6,7-c']Difuran-1,3,6,8-Tetraone | ||