Composition NNO 
Properties 
Appearance: brown powder 
Solubility: easily soluble in hard water 
pH-value: 1% aqueous solution pH-value7-9 Ionicity: anionic 
Stability: resistant to acid and alkali, resistant to hard water, heat and inorganic salts. 
Use 
mainly used for pad dyeing of vat dyes. 
Packing & Storage 
40kgs or 50kgs plastic bag. Stored in cool and draughty warehouse