Cas No	482-89-3
MF:	C16H10N2O2
Other Names:	Vat Blue 1
Purity:	94%
Composing	Phenylethane acid potassium salt reacts to amino sodium through alkali fusion, and then oxidized.
Appearance	Dark blue even Granular and Powder
Shade	To the similar standard of the factory
Moisture%	0.45 Max
Particle size(-60 mesh)%	95
Fe3+	200ppm Max
Properties	It is insoluble in water and alcohol.It is soluble in hot Aniline.
Use	For dyeing on cotton fabrics and Jeans and making up indigo bromide. or made into organic pigment ,moreover, be used to make 5.5-7.7-tetraroma indigo, biochemical medicament and indicator
Packages	25KG Plastic-Woven Bag with double polyester liner   20KG Carton with double polyester liner   20KG/15KG Iron Drum with double polyester liner
Storage & Transportation	The product must be stored in shade, dry & well-ventilated warehouse. Avoid to be contacted with oxidizing chemicals and combustible organic substances. Keep it away from direct sunlight, heat, sparks and open flames. Carefully handle the product and avoid damaging the package.