
Alpha- Methylstyrene - (Prop-1-en-2-yl)benzene - 2-Phenylpropene - AMS >99% - 20 000ml = 4x5L
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Description
Alpha-Methylstyrene (AMS)
Synonyms:
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2-Phenylpropene
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(Prop-1-en-2-yl)benzene
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α-Methylstyrene
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AMS
CAS Number: 98-83-9
EC Number: 202-705-0
Chemical Formula: C₉H₁₀
Molar Mass: 118.18 g/mol
Appearance: Colorless to pale yellow liquid with a characteristic odor
Description
Alpha-methylstyrene is an organic compound belonging to the group of aromatic hydrocarbons. It consists of a phenyl group bonded to a propene chain, making it a structural analog of styrene with a methyl group at the alpha position. It is a flammable, volatile liquid used primarily as a monomer or comonomer in polymer chemistry.
Chemical and Physical Properties
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Density: 0.91 g/cm³ (20 °C)
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Melting Point: −23 °C
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Boiling Point: 165–167 °C
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Flash Point: 39 °C (closed cup)
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Autoignition Temperature: 510 °C
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Solubility in Water: Practically insoluble
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Solubility in Organic Solvents: Miscible with alcohol, ether, and most organic solvents
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Vapor Pressure: ~2.4 mmHg at 20 °C
Applications
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Polymer Industry: Used as a comonomer in the production of AMS-containing resins such as AMS-SAN (α-methylstyrene-acrylonitrile).
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Coatings and Resins: Intermediate for synthetic resins and specialty polymers.
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Organic Synthesis: Solvent and reagent in polymerization and chemical synthesis.
⚠️ Not intended for use in food or pharmaceutical applications.
Safety Information
Signal Word: ⚠️ Warning
GHS Hazard Statements
H226 (> 99.9%): Flammable liquid and vapor [Warning Flammable liquids]
H304 (10%): May be fatal if swallowed and enters airways [Danger Aspiration hazard]
H315 (12.2%): Causes skin irritation [Warning Skin corrosion/irritation]
H318 (11.9%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
H319 (88.1%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
H335 (99.6%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
H411 (> 99.9%): Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P273, P280, P301+P316, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P305+P354+P338, P317, P319, P321, P331, P332+P317, P337+P317, P362+P364, P370+P378, P391, P403+P233, P403+P235, P405, and P501