Acenaphthene
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Category：Pharmaceutical Materials Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
CAS Number: 83-32-9
Molecular Formula: C12H10
Molecular Weight: 154.21
Appearance: White needles or crystalline powder
Melting Point: 90-94°C
Boiling Point: 279°C
Usage: Mainly used as a dye intermediate.
| Attribute | Details |
|---|---|
| Chemical Name | Acenaphthene |
| CAS Number | 83-32-9 |
| Synonyms | 1.2-Dihydroacenaphthylene; Acenaphthylene, 1.2-dihydro-; Acenaphthene, 1.8-ethylenenaphthalene; Dihydroacenaphthene; Naphthacene, 1.2.3.4.4a,5.6.7-octahydro-1.4a-dimethyl- |
| Molecular Formula | C12H10 |
| Molecular Weight | 154.21 g/mol |
| Appearance | White needle-like crystals |
| Physical Properties | Melting Point: 93-94°C; Boiling Point: 279°C; Density: 1.024 g/cm³ (at 20°C); Flash Point: 120°C; Solubility: Insoluble in water, slightly soluble in ethanol, soluble in chloroform, benzene, toluene, glacial acetic acid, and petroleum ether |
| Chemical Properties | Undergoes Birch reduction to form 2a,3-acenaphthylene. Oxidation with potassium permanganate yields 1.8-naphthalic anhydride. Electrophilic substitution mainly occurs at the 5-position, such as bromination, nitration, and alkylation. |
| Main Uses | Used as an intermediate in the production of dyes, pesticides, and pharmaceuticals. Also employed in the synthesis of polyester resins, polyester fibers, and fluorescent pigments. |
| Safety Information | Considered a toxic substance. May cause irritation to eyes, skin, and respiratory tract. Handle with caution, avoiding contact with oxidants. Store in a cool, dry place, away from heat and sources of ignition. |
| Production Method | Primarily extracted from coal tar. Obtained by fractional distillation of coal tar wash oil, followed by further purification. |
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