100994

Para Red

Dye content 95 %

• Synonym(s): 1-(4-Nitrophenylazo)-2-naphthol, 1-(p-Nitrophenylazo)-2-naphthol
• Linear Formula: O₂NC₆H₄N=NC₁₀H₆OH
• CAS Number: 6410-10-2
• Molecular Weight: 293.28
• NACRES: NA.47
• PubChem Substance ID: 24846529
• UNSPSC Code: 12171500
• EC Number: 229-093-8
• MDL number: MFCD00003908

Properties

• form: solid
• Quality Segment: 100
• composition: Dye content, 95%
• mp: 248-252 °C (lit.)
• λmax: 488 nm
• SMILES string: Oc1ccc2ccccc2c1N=Nc3ccc(cc3)[N+]([O-])=O
• InChI: 1S/C16H11N3O3/c20-15-10-5-11-3-1-2-4-14(11)16(15)18-17-12-6-8-13(9-7-12)19(21)22/h1-10,20H
• InChI key: WOTPFVNWMLFMFW-UHFFFAOYSA-N

Description

General description

Para Red is a biological stain. It is used as a fat soluble chemical dye and food additive. It is a banned colorant and a number of analytical techniques have been developed to detect it in food.

Biochem/physiol Actions

Para Red may be used to make standards for analysis.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Codes: H315,H319,H335
• Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable
• PPE (personal protective equipment): dust mask type N95 (US), Eyeshields, Gloves