Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H317May cause an allergic skin reaction

Precautionary statements

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

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

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.

P501Dispose of contents/container to..…

Reactive Red 23 Chemical Properties,Usage,Production

Preparation

2-(3-Amino-4-methoxyphenylsulfonyl)ethyl hydrogen sulfate diazo, and 3-Hydroxynaphthalene-2,7-disulfonic acid coupling, and then into copper complex.

Properties and Applications

blue light pink to red blue light. Dark red powder. The strong sulfuric acid for purple, diluted into dark orange; In nitric acid for golden brown, diluted into dark red. Water solution is red, with 1 Moore sodium hydroxide is still red, continue to join insurance powder and warm to light yellow, join a boric acid sodium can’t return to its original colour and lustre. Can be used for cotton, viscose, silk, polyamide fiber disseminated, knot dyeing, roll the dye, continuous knot dyeing and printing, printing and dyeing directly.