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| AZULENE Basic information |
| AZULENE Chemical Properties |
| Melting point | 98-100 °C(lit.) | | Boiling point | 242 °C(lit.) | | density | 1.0530 | | refractive index | 1.5736 (estimate) | | Fp | 241-243°C | | storage temp. | Store at +2°C to +8°C. | | solubility | Soluble in organic solvents. | | form | Fine Crystalline Powder | | color | Dark blue | | Merck | 14,926 | | BRN | 969517 | | Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. | | InChIKey | CUFNKYGDVFVPHO-UHFFFAOYSA-N | | CAS DataBase Reference | 275-51-4(CAS DataBase Reference) | | EPA Substance Registry System | Azulene (275-51-4) |
| Hazard Codes | N | | Risk Statements | 51/53 | | Safety Statements | 61 | | RIDADR | UN 3077 9/PG 3 | | WGK Germany | 2 | | RTECS | CO4570000 | | F | 8 | | TSCA | Yes | | HS Code | 29029000 | | Toxicity | LD50 orl-rat: >4 g/kg DRUGAY 6,13,82 |
| AZULENE Usage And Synthesis |
| Chemical Properties | Blue Crystal | | Uses | Azulene is used as an additive in ointments. It is an active ingredient in cosmetics, shaving creams and other topicals. It is used as antioxidant and in anti-inflammatory activities. It is involved in the colorimetric determination of furfural. It acts as ligand for low valent metals and forms pi complexes with both cyclopentadienyl and cylcloheptatrienyl ligands in organometallic chemistry. It is also used as precursor for the preparation of (azulene)Mo2 (CO)6 and (azulene)Fe2 (CO)5. | | Uses | azulene is renowned as an anti-inflammatory, calming, and soothing agent. excellent for sensitive skin, azulene is a german chamomile derivative with a characteristic deep blue color. Careful, it stains! | | Definition | A blue
crystalline compound having a seven-membered
ring fused to a five-membered ring. It
converts to naphthalene on heating. | | Definition | azulene: A blue crystalline compound,C10H8; m.p. 99°C. It contains afive-membered ring fused to a sevenmemberedring and has aromaticproperties. When heated it is convertedinto naphthalene. | | Definition | ChEBI: A mancude carbobicyclic parent consisting of a cycloheptatriene and cyclopentadiene rings. | | Synthesis Reference(s) | Journal of the American Chemical Society, 75, p. 2386, 1953 DOI: 10.1021/ja01106a030Tetrahedron Letters, 23, p. 495, 1982 DOI: 10.1016/S0040-4039(00)86871-9 | | Safety Profile | Poison by intraperitoneal,intravenous, and subcutaneous routes. When heated todecomposition it emits acrid smoke and irritating vapors. | | Purification Methods | Crystallise azulene from EtOH. It has UV max 270nm (log 4.72) in hexane. [Platner & Magyar Helv Chim Acta 25 581 1942, Beilstein 5 IV 1636.] |
| AZULENE Preparation Products And Raw materials |
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