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81-84-5

81-84-5 structural image
Product Name: 1,8-Naphthalic anhydride
Formula: C12H6O3
Synonyms: Naphtho[1,8,8a-c,d]pyran-1,3-dione
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Dry Powder
Color/Form Light tan crystalline solid
Melting Point 273-274 °C
Flash Point 272 °C
Solubility Slightly sol in acetic acid; very soluble in ether and alcohol.
Vapor Pressure 0.00000041 [mmHg]
Stability/Shelf Life Stable under normal storage conditions; non-hygroscopic.
Decomposition When heated to decomposition it emits acrid smoke and irritating fumes.
Kovats Retention Index 1944 341.19
Chemical Classes Plastics & Rubber -> Acid Anhydrides, Cyclic

SAFETY INFORMATION

Signal word Warning
Pictogram(s)

Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P271:Use only outdoors or in a well-ventilated area.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

COMPUTED DESCRIPTORS

Molecular Weight 198.17 g/mol
XLogP3 2.3
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 3
Rotatable Bond Count 0
Exact Mass 198.031694049 g/mol
Monoisotopic Mass 198.031694049 g/mol
Topological Polar Surface Area 43.4 Ų
Heavy Atom Count 15
Formal Charge 0
Complexity 282
Isotope Atom Count 0
Defined Atom Stereocenter Count 0
Undefined Atom Stereocenter Count 0
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 1
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

Naphthalic anhydride is a cyclic dicarboxylic anhydride.