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98-83-9 - alpha-Methylstyrene, 99%, stab. with 10-20 ppm 4-tert-butylcatechol - Isopropenylbenzene - L03609 - Alfa Aesar

L03609 alpha-Methylstyrene, 99%, stab. with 10-20 ppm 4-tert-butylcatechol

CAS Number
98-83-9
Synonyms
Isopropenylbenzene

Size Price ($) Quantity Availability
100ml 24.00
500ml 27.00
2500ml 81.00
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alpha-Methylstyrene, 99%, stab. with 10-20 ppm 4-tert-butylcatechol

MDL
MFCD00008859
EINECS
202-705-0

Chemical Properties

Formula
C9H10
Formula Weight
118.18
Melting point
-23°
Boiling Point
166-169°
Flash Point
45°(113°F)
Density
0.909
Refractive Index
1.5380
Solubility
Soluble in water.( 0,1 g/L) at 25°C.

Applications

α-Methylstyrene (AMS) is used in the synthesis of (acrylonitrile-styrene-acrylic copolymer)/(α-methylstyrene-acrylonitrile copolymer). It is used in the manufacture of plasticizers, resins and polymers.

Notes

Store at 4°C. Incompatible materials are Strong oxidizing agents, Peroxides, Organometallic compounds, Metallic salts.

Literature References

Ray L. Sweany; Jack Halpern. Hydrogenation of .alpha.-methylstyrene by hydridopentacarbonylmanganese (I). Evidence for a free-radical mechanism.J. Am. Chem. Soc.1977, 99 (25), 8335-8337.

Toshinobu Higashimura; Masami Kamigaito; Makoto Kato; Toshiyuki Hasebe; Mitsuo Sawamoto.Macromolecules.1977, 26 (11), 2670-2673.

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).

GHS Hazard and Precautionary Statements

Hazard Statements: H226-H319-H335-H411-H401

Flammable liquid and vapour. Causes serious eye irritation. May cause respiratory irritation. Toxic to aquatic life with long lasting effects. Toxic to aquatic life.

Precautionary Statements: P210-P261-P273-P280-P240-P303+P361+P353-P305+P351+P338-P304+P340-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Avoid breathing dust/fume/gas/mist/vapours/spray. Avoid release to the environment. Wear protective gloves/protective clothing/eye protection/face protection. Ground/bond container and receiving equipment. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Beilstein
969405
Hazard Class
3
Packing Group
III
Harmonized Tariff Code
2902.90
TSCA
Yes
RTECS
WL5075300

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