Magneson II
[CAS# 5290-62-0]

Identification

• Classification: Chemical reagent >> Organic reagent >> Bicyclic compound
• Name: Magneson II
• Synonyms: 1-(4-Nitrophenylazo)-4-naphthol; 4-[(4-Nitrophenyl)azo]-1-naphthol
• Molecular Formula: C₁₆H₁₁N₃O₃
• Molecular Weight: 293.28
• CAS Registry Number: 5290-62-0
• EC Number: 226-129-4

Properties

• Solubility: Insoluble (3.8E^-4 g/L) (25 ºC), Calc.^*
• Density: 1.35±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 275-278 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Hurd, Charles D.; Journal of the American Chemical Society 1949, V71, P3241-3.

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/37/38
• Safety Description: S22;S24/25;S26;S36

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H312
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	4	H302