Acid Red 111 Property

Density 

1.479[at 20℃]

Water Solubility 

2.36g/L at 20℃

LogP

-0.86 at 20℃

EPA Substance Registry System

2,7-Naphthalenedisulfonic acid, 3-[[2,2'-dimethyl-4'-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxy-, disodium salt (6358-57-2)

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H317May cause an allergic skin reaction

H400Very toxic to aquatic life

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

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

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.

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..…

Acid Red 111 Chemical Properties,Usage,Production

Preparation

4-(4-Amino-2-methylphenyl)-3-methylbenzenamine double nitriding, respectively with the 4-Hydroxynaphthalene-2,7-disulfonic acid and phenol coupling, garnish with 4-Methylbenzene-1-sulfonyl chloride make phenol hydroxyl esterification.

Flammability and Explosibility

Not classified

Properties and Applications

colourful red yellow light. Yellow light red powder, soluble in water, 90 ° C solubility of 25 g/L. White sex medium. Copper, iron ion is sensitive, dyeing should be pay attention to. Used for wool, polyamide fiber and its blended fabric dyeing and printing directly, can also be used for leather dyeing. This product is especially suitable for the dye scattered hair, tops, hair knitwear.