Vat Orange 11 Property

Density 

1.651

pka

11.90±0.20(Predicted)

Water Solubility 

1μg/L at 20℃

EPA Substance Registry System

Dinaphtho[2,3-i:2',3'-i']benzo[1,2-a:4,5-a']dicarbazole-5,7,12,17,19,24(6H,18H)-hexone (2172-33-0)

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H317May cause an allergic skin reaction

H319Causes serious eye irritation

H412Harmful to aquatic life with long lasting effects

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P272Contaminated work clothing should not be allowed out of the workplace.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P321Specific treatment (see … on this label).

P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.

P363Wash contaminated clothing before reuse.

P501Dispose of contents/container to..…

Vat Orange 11 Chemical Properties,Usage,Production

Preparation

1,5-Diaminoanthraquinone?and 1-Bromoanthracene-9,10-dione? or 1-Chloroanthraquinone(2 Moore) condensation, product Potassium hydroxide with Aluminium chloride or cyclization, with Potassium permanganate again or Sodium hypochlorite oxidation.

Flammability and Explosibility

Not classified

Synthesis

1,1' : 5 1,''-Trianthrimide-2,2' : 6,2''- carbazole, Indanthren Yellow 3 R, is prepared from 1,1' : 5,1''- trianthrimide in AlCl3-NaCl melts .

Properties and Applications

Yellow orange. Yellow powder. Slightly soluble in 2-Chlorophenol and Pyridine , insoluble in Etanol, Acetone, Chloroform and Toluene. The strong sulfuric acid to red light brown, dilute light yellow brown after precipitation. Alkaline reduction for dark red light body hidden color brown; Acid reduction for yellow color body hidden. The light is fragile. Mainly used for dyeing cotton roll and dip, the affinity of cotton cloth is good and the levelness of death and the covering power of cotton are good. Can to cotton direct printing. with Villeneuve shade of Pale, coloured silk high affinity, good fastness. Besides using background color outside, a small amount used to spell color. Sometimes also used for paper dyeing.