A-NAPHTHOQUINONE
1,4-Naphthoquinone
CAS: 130-15-4
Molecular Formula: C10H6O2
A-NAPHTHOQUINONE - Names and Identifiers
| Name | 1,4-Naphthoquinone |
| Synonyms | 1,4-Naftochinon A-NAPHTHOQUINONE 1,4-naphtoquinone 1,4-Naphthoquinone 1,4-Naphthaquinone 1,4-Naphthylquinone Dapoxetine Impurity R 1,4-napthaquinone,Naphthoquinone нафтахинон, нафталин-1,4-дион, α-Naphthoquinone, п-нафтахинон, 1,4-Naphthoquinone, Naphthalene-1,4-dion |
| CAS | 130-15-4 |
| EINECS | 204-977-6 |
| InChI | InChI=1/C10H6O2/c11-9-5-6-10(12)8-4-2-1-3-7(8)9/h1-6H |
| InChIKey | FRASJONUBLZVQX-UHFFFAOYSA-N |
A-NAPHTHOQUINONE - Physico-chemical Properties
| Molecular Formula | C10H6O2 |
| Molar Mass | 158.15 |
| Density | 1,42 g/cm3 |
| Melting Point | 119-122°C(lit.) |
| Boling Point | 243.22°C (rough estimate) |
| Flash Point | 141 °C |
| Water Solubility | insoluble |
| Solubility | 0.09g/l |
| Appearance | Powder |
| Color | Khaki |
| Merck | 14,6395 |
| BRN | 878524 |
| PH | 6.1 (10g/l, H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Incompatible with strong reducing agents, strong oxidizing agents. |
| Refractive Index | 1.5300 (estimate) |
| Physical and Chemical Properties | Characteristic yellow crystals. melting point 126~128 ℃ relative density 1.422g/cm3 solubility slightly soluble in water. Soluble in ether, chloroform, benzene, acetic acid. |
| Use | Used in the synthesis of pesticide fungicide 2, 3-dichloro-1, 4-naphthoquinone, also used in the synthesis of dye intermediate anthraquinone; Used in the preparation of dyes, drugs, fungicides, also used as polymerization regulator of synthetic rubber and resin |
A-NAPHTHOQUINONE - Risk and Safety
| Risk Codes | R25 - Toxic if swallowed R26 - Very Toxic by inhalation R36/37/38 - Irritating to eyes, respiratory system and skin. R43 - May cause sensitization by skin contact R50 - Very Toxic to aquatic organisms R34 - Causes burns R11 - Highly Flammable |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S38 - In case of insufficient ventilation, wear suitable respiratory equipment. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S28A - S24 - Avoid contact with skin. S16 - Keep away from sources of ignition. |
| UN IDs | UN 2811 6.1/PG 1 |
| WGK Germany | 3 |
| RTECS | QL7175000 |
| FLUKA BRAND F CODES | 8 |
| TSCA | Yes |
| HS Code | 29146910 |
| Hazard Note | Very Toxic |
| Hazard Class | 6.1 |
| Packing Group | I |
| Toxicity | LD50 orally in Rabbit: 190 mg/kg LD50 dermal Rat 202 mg/kg |
A-NAPHTHOQUINONE - Upstream Downstream Industry
| Downstream Products | Sodium silicate |
A-NAPHTHOQUINONE - Reference Information
| LogP | 1.71-1.77 at 25℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| biological activity | 1,4-Naphthoquinone is a potential pharmacophore that inhibits the activities of monoamine oxidase MAO and DNA topoisomerase, DNA topoisomerase activity correlates with antitumor activity. |
| Use | for the synthesis of pesticide fungicide 2, 3-dichloro-1, 4-naphthoquinone, also used in the synthesis of dye intermediate anthraquinone used in anthraquinone production. 2, 3-dichloronaphthoquinone, produced by the chlorination of naphthoquinone, is an important agricultural fungicide, which is used to control wheat head smut, rice blast, potato late blight and vegetable seedling blight. used in organic synthesis, preparation of dye intermediate anthraquinone, pesticide fungicide, herbicide, used in synthetic rubber, synthetic resin polymerization regulator, etc. |
| production method | 1-naphthol, 1-Naphthylamine, 1, 4-aminonaphthol and naphthalene are used as raw materials, naphthoquinone can be obtained by oxidation. The oxidizing agent may be chromic anhydride, sodium dichromate, potassium dichromate, air, or the like. An industrially advantageous process is the production of naphthoquinone by catalytic oxidation of naphthalene in the presence of barium pentoxide. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:54:55
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