| Company Name: |
Interbioscreen Ltd.
|
| Tel: |
+7 (49) 6524-0091 |
| Email: |
screen@ibscreen.chg.ru |
| Products Intro: |
CAS:6362-18-1
Package:10g Remarks:C10H10N2O3S
|
|
| | 4,5-diamino-1-naphthalenesulfonic acid Basic information |
| | 4,5-diamino-1-naphthalenesulfonic acid Chemical Properties |
| | 4,5-diamino-1-naphthalenesulfonic acid Usage And Synthesis |
| Uses | 4,5-Diaminonaphthalene-1-sulfonic acid is used as an intermediate for 4,5-dihydroxynaphthalene-1-sulfonic acid and perimidine derivatives. | | Synthesis | 1-Nitronaphthalene is sulfonated with oleum at 20℃, and the sulfonation mass is nitrated at 35℃. After quenching and liming out, the liquors are reduced with iron powder under slightly acidic conditions. After removal of iron residues, the product 4,5-diamino-1-naphthalenesulfonic acid is isolated in 40 % yield by acidifying and salting. |
| | 4,5-diamino-1-naphthalenesulfonic acid Preparation Products And Raw materials |
|