CHEMICAL AND PHYSICAL PROPERTIES
Physical Description | 1,2-naphthoquinone appears as golden yellow needles or brown powder. Decomposes to a bluish-black color on standing. (NTP, 1992) |
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Color/Form | Golden yellow needles |
Odor | Odorless |
Melting Point | 293 to 297 °F (Decomposes) (NTP, 1992) |
Solubility | less than 1 mg/mL at 70 °F (NTP, 1992) |
Density | 1.45 (NTP, 1992) - Denser than water; will sink |
Vapor Pressure | 0.000099 [mmHg] |
Decomposition | When heated to decomp it emits acrid smoke and fumes. |
Kovats Retention Index | 264.1 |
Other Experimental Properties | 1,2-Naphthoquinone is involatile /(non-volatile)/ in steam, and is a relatively weak oxidizing agent. |
Chemical Classes | Other Classes -> Aromatic Ketones |
SAFETY INFORMATION
Signal word | Warning |
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Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
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 | 158.15 g/mol |
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XLogP3 | 1.5 |
Hydrogen Bond Donor Count | 0 |
Hydrogen Bond Acceptor Count | 2 |
Rotatable Bond Count | 0 |
Exact Mass | 158.036779430 g/mol |
Monoisotopic Mass | 158.036779430 g/mol |
Topological Polar Surface Area | 34.1 Ų |
Heavy Atom Count | 12 |
Formal Charge | 0 |
Complexity | 253 |
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
1,2-naphthoquinone appears as golden yellow needles or brown powder. Decomposes to a bluish-black color on standing. (NTP, 1992)