ANSD ACID 45% 80%

 

4,4'-AMINOSTIBENE-2,2'-DISULFONIC ACID

 

SYNONYM: ANSD ACID; 401 MONOMER

 

FORMULA: C14H12N2O8S2

 

M. W.: 400

 

DESCRIPTION: ORANGE-BROWN PASTE OR POWDER

 

SPECIFICATIONS:

 

ITEM

PASTE

DRY PRODUCT

APPEARANCE

ORANGE-BROWN PASTE

ORANGE-BROWN POWDER

CONTENT

45.0%MIN

80.0%MIN

DSD ACID (ON 100 INTENSITY)

4.0%MAX

4.0%MAX

DINITRO ACID (ON 100 INTENSITY)

4.0%MAX

4.0%MAX

CHARACTERISTIC DATA

DECOMPOSE BEFORE MELTING

DECOMPOSE BEFORE MELTING

 

USES:

1). IT IS AN IMPORTANT STILBENE INTERMEDIATES, CAN OBTAIN 601,681 MONOMER AFTER PROCESSING.
2). IT CAN BE USED TO SYNTHETIC A SERIES OF DIRECT DYESTUFFS:
DIRECT FAST YELLOW 7GL; 6GL; 5GL; 4GL, 3GL; 2GL;
DIRECT YELLOW DN-FR2; DIRECT ORANGE F3G, YELLOW 3RLL, GREEN GNB.
DN B, DIRECT BLACK DN-EX AND ETC.

 

PACKING:   40KG/POLY-WOVEN BAGS FOR PASTES

                   25KG/PLASTIC BAGS FOR POWDERS