Usually customer-oriented, and it’s our ultimate focus on being not only one of the most responsible, trustable and honest provider, but also the partner for our clients for OEM Supply China Industrial Grade Pigment for Brick Iron Oxide Red 190, Inside our initiatives, we already have a lot of shops in China and our solutions have won praise from buyers all over the world. Welcome new and outdated buyers to contact us to the long run long lasting business relationships.
Usually customer-oriented, and it’s our ultimate focus on being not only one of the most responsible, trustable and honest provider, but also the partner for our clients for China Iron Oxide, Iron Oxide Red, our qualify goods have good reputation from the world as its most competive price and our most advantage of after-sale service to the clients.we hope we can present a safe, environmental products and solutions and super service to our clients from all of the world and establish strategic partnership with them by our specialist standards and unremitting efforts.
Synonyms:C.I. 15510; C.I. Acid Orange 7; C.I. Acid Orange 7, monosodium salt; D & C Orange no. 4; Orange II sodium salt; 4-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt; Sodium 4-[(2-hydroxy-1-naphthyl)azo]benzenesulphonate; Orange Ⅱ; Acid Orange II Lake; Pigment Orange 17 (15510:1); sodium 4-[(2E)-2-(2-oxonaphthalen-1(2H)-ylidene)hydrazino]benzenesulfonate; sodium 4-[(E)-(2-hydroxynaphthalen-1-yl)diazenyl]benzenesulfonate
Property of Acid Orange II:
Appearance:Orange fine powder
Odor: Odorless
Physical and chemical property: melting point:164°C
Water solubility: 116 g. L (30°C)
Acidity coefficient(pKa): 8.26, 11.4(at 25℃)
Maximum wavelength(λmax): 483nm
Merck : 14,6858
BRN : 3898201
It is yellow in water with red tone and orange in ethanol and magenta in concentrated sulfuric acid. It is diluted to form brown yellow precipitate. The water solution is brown precipitated by hydrochloric acid and dark brown precipitated by sodium hydroxide. When dyeing, it tends to be red and dark when it comes to copper ion, light and dark when it comes to iron ion, with good discharge.
Application:It is mainly used for the dyeing of silk and wool fabrics, as well as leather and paper. Nylon can be dyed in formic acid bath. It can be used for direct printing on wool, silk and nylon. It can also be used as index agent and biological coloring.
Storage:store in a cool and ventilated room.
Quality guarantee period: 36 months.
Packing: 25kgs drum/paper carton/bagUsually customer-oriented, and it’s our ultimate focus on being not only one of the most responsible, trustable and honest provider, but also the partner for our clients for OEM Supply China Industrial Grade Pigment for Brick Iron Oxide Red 190, Inside our initiatives, we already have a lot of shops in China and our solutions have won praise from buyers all over the world. Welcome new and outdated buyers to contact us to the long run long lasting business relationships.
OEM Supply China Iron Oxide, Iron Oxide Red, our qualify goods have good reputation from the world as its most competive price and our most advantage of after-sale service to the clients.we hope we can present a safe, environmental products and solutions and super service to our clients from all of the world and establish strategic partnership with them by our specialist standards and unremitting efforts.