6-Nitro-1,2,4-diazo acid [ 5366-84-7 ]

Specification: qualified conventional index name one -grade product
Appearance of orange crystallization
Content % p 70 73 75
Main content (HPLC) % p 87 88 90
Insoluble, % acuities 0.2 0.1 0.1
Free acid (with H2SO4 plan) % acuities 6 5 4
Iron ion mg/kg acuities 50 30 30