M80903

α-Methylstyrene

99%, contains 15 ppm p-tert-butylcatechol as inhibitor

• Sinonimo/i: 2-Phenylpropene, Isopropenylbenzene
• Formula condensata: C₆H₅C(CH₃)=CH₂
• Numero CAS: 98-83-9
• Peso molecolare: 118.18
• Beilstein: 969405
• Numero CE: 202-705-0
• Numero MDL: MFCD00008859
• Codice UNSPSC: 12162002
• ID PubChem: 24897221
• NACRES: NA.23

Proprietà

• Densità del vapore: 4.1 (vs air)
• Livello qualitativo: 200
• Tensione di vapore: 2.1 mmHg ( 20 °C)
• Saggio: 99%
• Stato: liquid
• Temp. autoaccensione: 1065 °F
• contiene: 15 ppm p-tert-butylcatechol as inhibitor
• Limite di esplosione: 6.1 %
• Indice di rifrazione: n20/D 1.538 (lit.)
• P. ebollizione: 165-169 °C (lit.)
• Punto di fusione: −24 °C (lit.)
• Densità: 0.909 g/mL at 25 °C (lit.)
• Temperatura di conservazione: 2-8°C
• Stringa SMILE: CC(=C)c1ccccc1
• InChI: 1S/C9H10/c1-8(2)9-6-4-3-5-7-9/h3-7H,1H2,2H3; XYLMUPLGERFSHI-UHFFFAOYSA-N

Descrizione

Descrizione generale

-Methylstyrene is an aromatic alkyl-substituted styrene monomer with a relatively high boiling point. It is widely used as a monomer to synthesize thermoplastic composite resins applied in adhesives, and coatings that require high-temperature stability. It can also participate as a precursor in regioselective and diastereoselective synthesis of natural products, pharmaceuticals, and other structurally diverse compounds.

Applicazioni

α-Methylstyrene can be used:

• As a monomer to prepare “Phene” monomer for photopolymerizable dental resin composites to reduce their polymerization shrinkage. α-Methylstyrene has a low double bond concentration suitable for the preparation of low volumetric shrinkage and shrinkage stress resilient resin composites.
• As a monomer to prepare poly(α-methylstyrene) polymer which can be used as an additive to fabricate organic thin film transistors. This polymer promotes the growth of uniformly aligned semiconductor crystals with significantly improved orientation.
• As a precursor to synthesize 3,4-dihydropyrans with therapeutic potential.

Informazioni sulla sicurezza

• Pittogrammi: GHS02,GHS08,GHS07,GHS09
• Avvertenze: Danger
• Indicazioni di pericolo: H226,H304,H317,H319,H335,H361fd,H411
• Consigli di prudenza: P210 - P273 - P280 - P301 + P310 - P303 + P361 + P353 - P331
• Classi di pericolo: Aquatic Chronic 2 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Repr. 2 - Skin Sens. 1B - STOT SE 3
• Organi bersaglio: Respiratory system
• Codice della classe di stoccaggio: 3 - Flammable liquids
• Classe di pericolosità dell'acqua (WGK): WGK 2
• Punto d’infiammabilità (°F): 114.8 °F - closed cup
• Punto d’infiammabilità (°C): 46 °C - closed cup
• Dispositivi di protezione individuale: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter