1,2-Naphthoquinone
1,2-Naphthoquinone
CAS: 524-42-5
Molecular Formula: C10H6O2
1,2-Naphthoquinone - Names and Identifiers
| Name | 1,2-Naphthoquinone |
| Synonyms | 1,2-Naftochinon o-Naphthoquinone 1,2-Naphthaquinone 1,2-Naphthoquinone BETA-NAPHTHOQUINONE NAPHTHOQUINONE, 1,2- 1,2-Naphthalenedione 1,2-NAPHTHALENEDIONE naphthalene-1,2-dione Dapoxetine Impurity S 1,2-naphthoquinone (beta) 1,2-dihydro-1,2-diketo-naphthalene |
| CAS | 524-42-5 |
| EINECS | 208-360-2 |
| InChI | InChI=1/C10H6O2/c11-9-6-5-7-3-1-2-4-8(7)10(9)12/h1-6H |
1,2-Naphthoquinone - Physico-chemical Properties
| Molecular Formula | C10H6O2 |
| Molar Mass | 158.15 |
| Density | 1.450 g/cm3 (25℃) |
| Melting Point | 139-142 °C (dec.) (lit.) |
| Boling Point | 243.22°C (rough estimate) |
| Flash Point | 117.4°C |
| Vapor Presure | 0.00147mmHg at 25°C |
| Appearance | Crystalline Mass or Waxy Solid |
| Color | Colorless or white to pale yellow |
| Merck | 14,6394 |
| BRN | 606546 |
| Storage Condition | 2-8°C |
| Refractive Index | 1.5300 (estimate) |
| MDL | MFCD00001698 |
| Use | Used in the manufacture of dyes, etc., and also used in other organic synthesis |
1,2-Naphthoquinone - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. R34 - Causes burns R11 - Highly Flammable R25 - Toxic if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S16 - Keep away from sources of ignition. S37/39 - Wear suitable gloves and eye/face protection S28A - |
| UN IDs | 2811 |
| WGK Germany | 3 |
| RTECS | QL7000000 |
| HS Code | 29146990 |
| Hazard Note | Irritant |
1,2-Naphthoquinone - Reference
| Reference Show more | 1. [IF=1.986] Yixin Leng et al."Differentiation of isomers of oxygenated polycyclic aromatic hydrocarbons by laser desorption laser post-ionization time-of-flight mass spectrometry."Int J Mass Spectrom. 2021 Sep;467:116618 |
1,2-Naphthoquinone - Introduction
Slightly soluble in water, soluble in ethanol, ether and benzene. Can not volatilize with steam.
Last Update：2022-10-16 17:25:51
1,2-Naphthoquinone - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 20:52:54
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