Direct Violet 9 Property

Density 

1.709[at 20℃]

vapor pressure 

0Pa at 25℃

Water Solubility 

6.23g/L at 20℃

LogP

-2.165 at 20℃

EPA Substance Registry System

C.I. Direct Violet 9, disodium salt (6227-14-1)

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H317May cause an allergic skin reaction

H318Causes serious eye damage

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.

P270Do not eat, drink or smoke when using this product.

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.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

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.

P310Immediately call a POISON CENTER or doctor/physician.

P321Specific treatment (see … on this label).

P330Rinse mouth.

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

P363Wash contaminated clothing before reuse.

P501Dispose of contents/container to..…

Direct Violet 9 Chemical Properties,Usage,Production

Preparation

4-Aminobenzenesulfonic acid diazo, and 2-Amino-4-methylanisole coupling, its product to diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling.

Flammability and Explosibility

Non flammable

Properties and Applications

blue purple. Soluble in water for red light purple, soluble in soluble fiber element, slightly soluble in alcohol, insoluble in other organic solvents. The strong sulfuric acid for blue-ray green, purple precipitation after diluted; In nitric acid solution for the red light in brown. The dye solution to the strong hydrochloric acid has the purple precipitation; Add thick sodium hydroxide solution has the purple sediment: cotton, viscose, silk dyeing and printing, also can be used for paper color, can also be used in leather color.