Pigments & Colorants
REACH
Pigment red 4
CAS Number
2814-77-9
EC Number
220-562-2
What is Pigment red 4?
Pigment Red 4 (CAS 2814-77-9), also known as D&C Red No. 36, is an azo-based organic pigment delivering a bright, clean red shade.
Where is Pigment red 4 used?
- Plastics and polymer processing: masterbatches and compound colorants for consumer and packaging goods
- Coatings: solvent-based and industrial paints
- Printing and packaging: gravure and flexographic ink systems on paper and film
- Textile and leather: dyeing and finishing operations
- It imparts color in plastics, surface coatings, printing inks, and textile substrates.
Commercial specifications
- Specifications defined by color strength, purity, and particle size distribution
- Packaging in fiber drums or bags for bulk industrial procurement
Other Names (Synonyms)
1-((2-Chloro-4-nitrophenyl)azo)-2-naphthol|RefChem:572551|D and C Red No. 36|D&C Red No. 36|CI 12085|OE8ZA0KN9Z|Flaming Red|2-Naphthalenol, 1-[2-(2-chloro-4-nitrophenyl)diazenyl]-
What are the physical properties of Pigment red 4?
Boiling Point 558.9±50.0 °C(Predicted)
Density 1.4414 (rough estimate)
Color Orange to Brown
Form powder to crystal
Refractive Index 1.6470 (estimate)
Log P 5.252 (est)
How is Pigment red 4 classified and handled safely? Learn More
Warning
GHS07· Irritant
Hazard Statements
H319 Causes serious eye irritation
H413 May cause long lasting harmful effects to aquatic life
Precautionary Statements
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P501 Dispose of contents/container in accordance with local regulations.
P264+P265 Wash … thoroughly after handling.
P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Which trade and regulatory codes apply to Pigment red 4?
HS Code 3204.17.0485