alpha-Methylstyrene

• Catalog No.: L03609
• CAS Number: 98-83-9
• M. F.: C9H10
• M. W.: 118.1757
• Purity: 99%, stab. with 10-20 ppm 4-tert-butylcatechol

SYNONYMS

• Title: α-甲基苯乙烯
• IUPAC name: prop-1-en-2-ylbenzene
• IUPAC Traditional name: α-methylstyrol
• Synonyms: Isopropenylbenzene

DATABASE IDS

• MDL Number: MFCD00008859
• Beilstein Number: 969405
• CAS Number: 98-83-9
• EC Number: 202-705-0

PROPERTIES

• Purity: 99%, stab. with 10-20 ppm 4-tert-butylcatechol
• Boiling Point: 166-169°C
• Density: 0.909
• Flash Point: 45°C(113°F)
• Melting Point: -23°C
• Refractive Index: 1.5380
• GHS Hazard statements: H226-H319-H335-H411-H401
• European Hazard Symbols: Irritant (Xi)
• European Hazard Symbols: Nature polluting (N)
• GHS Precautionary statements: P210-P241-P303+P361+P353-P305+P351+P338-P405-P501A
• Risk Statements: 10-36/37-51/53
• RTECS: WL5075300
• Safety Statements: 61
• TSCA Listed: 是
• Hazard Class: 3
• UN Number: UN2303
• Packing Group: III

REFERENCES

• For asymmetric ene-reaction with methyl glyoxylate, catalyzed by a chiral binaphthyl (see (R)-(+)-1,1'-Bi(2-naphthol), L08305) Ti(O-i-Pr)₄ complex to give methyl (2R)-3-hydroxy-4-phenyl-4-pentenoate, see: Org. Synth. Coll., 9, 596 (1998):
  
• In the presence of trichloroacetic acid, has been reported for the protection of 5-substituted tetrazoles as their N-cumyl derivatives. Deprotection was effected by catalytic transfer hydrogenolysis: J. Org. Chem., 64, 9301 (1999).