Chromium, 1-[[2-hydroxy-4(or 5)-nitrophenyl]azo]-2-naphthalenol complex Property

Density 

1.45[at 20℃]

Water Solubility 

23mg/L at 20℃

EPA Substance Registry System

C.I. Solvent Black 35 (61931-53-1)

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H317May cause an allergic skin reaction

H319Causes serious eye irritation

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.

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..…

Chromium, 1-[[2-hydroxy-4(or 5)-nitrophenyl]azo]-2-naphthalenol complex Chemical Properties,Usage,Production

Preparation

2-Amino-4-nitrophenol and 2-Amino-5-nitrophenol diazotization, respectively and Naphthalen-2-ol coupling, and then into a 2-1 chromium complex.

Flammability and Explosibility

Non flammable

Properties and Applications

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