5-Nitro-1H,3H-naphtho[1,8-cd]pyran-1,3-dione
[CAS# 3027-38-1]

Identification

• Classification: Chemical reagent >> Organic reagent >> Polycyclic compound
• Name: 5-Nitro-1H,3H-naphtho[1,8-cd]pyran-1,3-dione
• Synonyms: 3-Nitro-1,8-naphthalic anhydride; 3-Nitronaphthalic anhydride; 5-Nitro-1H,3H-benzo[de]isochromene-1,3-dione; NSC 32326; YY 187
• Molecular Formula: C₁₂H₅NO₅
• Molecular Weight: 243.17
• CAS Registry Number: 3027-38-1
• EC Number: 629-274-5

Properties

• Solubility: Very slightly soluble (0.11 g/L) (25 ºC), Calc.^*
• Density: 1.637±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 256-267 ºC (acetone )^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2020 ACD/Labs)

^** Takahashi, Teruo; Yakugaku Zasshi 1978, V98(3), P358-65.

Safety Data

Hazard Classification

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