Fast Red B Base

Specification : Fast Red B Base

Synonym : 2 Methoxy 4 Nitro Aniline Molecular Formula  :  C7H8N2O3
CAS No.  : 97-52-9 Molecular Weight : 168g/mol
Sr. No. PARTICULARS SPECIFICATION
1. Appearance Bright Golden Yellowish Powder
2. Assay  99% Min.on  dry  basis
3. Impurities  byChromotography 2-Methoxy-5-No2  Aniline – 0.1% Max.
Other  impurities  0.1% Max.
4. Residue  on  Diazotization Does  not  leave  more  than  0.3% residue  after 1 1/2  hours  diazotization
5. Melting range 139-140°C
6. Fineness (through 40  mesh  screen  size   opening  0.42 MM )                     99.8%  Min.
fast red b base manufacturers & suppliers in india