Vat Black 9
Name:C.I.Vat Black 9,C.I.65230
Molecular Structure: anthraquinones
Molecular Formula:
Molecular Weight:
CAS Registry Number:1328-25-2
Manufacturing Methods : 8,16-Pyranthrenedione in nitrobenzene with Dinaphtho[1,2,3-cd:3′,2′,1′-lm]perylene-5,10-dione and 1-Aminoanthracene-9,10-dione in copper oxide and Sodium acetate trihydrate under The existence of condensation, closed loop.
Properties and Applications: black. Black powder. In concentrated sulfuric acid to purple, black after diluted. Alkaline reduction leuco for dark; Acid reduction leuco for red light brown. Mainly used in cotton fiber dyeing, suitable for suspension pad dyeing, can with other dye spell dye various grey. The main body of the leuco dye yarn. Also can be used for silk and Fiber/cotton blended dyeing, also used for polyester/cotton and polyester/viscose blended fabric dyed black and dark grey.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 5 | 4-5 | 6-7 | 5 | 5 | 4-5 | 4 |
| AATCC | 5 | 4-5 | 6-7 | 4 | 4-5 | ||
List of Suppliers:
Vat Direct Black RB
Xuzhou Kedah Fine Chemicals Limited
Shanghai Hua Yuan Industry & Commerce General Company
Black RB (Sinochem Liaoning Import & Export Corporation)
Dycosthren Black RB (Sinochem Shanghai I/E Corp/Schecho PuDong Corporation)
Indonon Direct Black RB ( Indokem Ltd )
Mikethrene Direct Black RB( Mitsui Toatsu Chemicals Ltd )
Sandothrene Liquid Direct Black NOM( Clariant GmbH )
Trianthrene Direct Black RB (Chemische Fabriek Triade BV)
Vat Black RB (Nanjing Chemicals Import and Export Corp)
Vat Black RB (Brighten Colorchem BV)
Vat Direct Black 9(Fenchem Enterprises Ltd)
Vat Direct Black RB(Sinochem Ningbo Imp & Exp Corp)
Xuzhou Vat Black 9( Xuzhou Vat Chemical Co Ltd )