81-84-5
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.