Disperse Blue 20 Property

Density 

0.54g/cm3 at 20℃

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H317May cause an allergic skin reaction

H319Causes serious eye irritation

H400Very toxic to aquatic life

H410Very toxic 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.

P391Collect spillage. Hazardous to the aquatic environment

P501Dispose of contents/container to..…

Disperse Blue 20 Chemical Properties,Usage,Production

Preparation

Mixture with chlorobenzene separation Dinitronaphthalene 1,5-Dinitronaphthalene, with sulfur, sulfate reducing translocation, with bromine, fuming sulfuric acid bromide

Properties and Applications

blue. Blue-black uniform powder. Insoluble in water, slightly soluble in acetone, acetic acid, carbon tetrachloride, soluble in acetone, ethanol, glycol single ethyl ether, in ethanol for blue. The strong sulfuric acid in yellow or brown, after dilution of dark precipitation. In dyeing copper and iron ion color change. Used for polyester and their blended fabric dyeing and printing, for green light blue emerald green. The low power points, dye deep sex differences. High temperature and high pressure method is suitable for dyeing polyester. The dyes in high temperature alkaline conditions can decompose, dye bath appropriate pH value for 5 ~ 6, with carrier will affect dyeing of sun fastness, dyeing hot to dissolve solid color rate is low. For dyed fiber green light blue for two vinegar, colour and lustre is colourful bright, the dyeing speed, have very good devoured rate, levelness and dye deep sex all good, but the dye deep wet process fastness is poorer. Three vinegar fiber dyed blue green light when the dyeing speed and dye deep sex medium. This product can also be used for direct printing polyester fabric.