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AdvanSix Alpha Methylstyrene (AMS)

CAS Number
98-83-9
EC Number
202-705-0
Chemical Name
Alpha Methyl Styrene (AMS)
Chemical Family
Styrenics

Alpha methylstyrene (AMS), also known as isopropyl benzene, is used as an intermediate in the production of acrylonitrile butadiene styrene (ABS), acrylic resins, adhesives, paints and coatings. AdvanSix is the largest AMS producer in the U.S., and meets the highest purity product requirements for key industry segments. AdvanSix offers customers a variety of shipping options, including rail cars, bulk tank trucks, iso containers, and bulk marine. Applications include:Building & ConstructionAdhesives, sealants and caulks.Automotive & Transportation Electrical and electronic systems, exterior and body parts, interior parts and lighting, tires, sealants for bonding and assembly applications, and aerospace and automotive lubricants and functional fluids.Adhesives & Sealants Construction adhesives, sealants and caulks and DIY repair adhesives.Printing & PackagingPaper and packaging bookbinding, case and carton sealing, flexible packaging, rigid packaging, labeling, reseal and reclosure, tapes, labels, graphic adhesives, coatings for cans, film, foil, sheets, and overprint varnishes, flexible food films, form fill seal packaging, and for digital, electrophotography and electrostatic, flexography and gravure printing.Paints & Coatings Industrial coil and metal coatings.Electrical & Electronics Devices and assemblies for consumer and automotive electronics, and parts and components for housing and enclosure applications.Home & Personal Care Feminine hygiene applications and adult incontinence and baby diapers.Pharmaceuticals & HealthcareDisposable nonwovens.

Properties

Physical Form
Liquid

Product families

Applications

Industrial — Chemical & Industrial Manufacturing
  • Chemical Manufacturing
  • Resin Manufacturing

Product Families

Base Chemicals & Intermediates — Monomers & Oligomers
  • Styrenics

Other characteristics

Synonyms

1-Methyl-1-Phenylethylene, 2-Phenyl Propylene, 2-Phenylpropane, 2-Phenylpropene, alpha-Methyl Styrene, AMS, Isopropenyl Benzene, Isopropyl Benzene, α-Methylstyrene

Labeling Claims

Alcohol-free, Benzene-free, High Purity, Ketone-free, Kosher, Low Water Content; Alcohol-free; Benzene-free; High Purity; Ketone-free; Kosher; Low Water Content

Markets
Industrial
Appearance
Clear water white liquid
Technology
Base Chemicals & Intermediates
Packaging Type
Bulk
Base Chemicals End Uses
  • ABS Resins
  • Agrochemicals
  • Aryl-Alkyl Silicone Fluids
  • Metal
  • Para Cumyl Phenol
  • Styrenic Acrylic Resins
  • Styrenic Resins
  • Tackifying Resins
Base Chemicals Functions
  • Intermediate
  • Monomer
Certifications and Compliance
  • Kosher
  • REACH (Europe)

Technical data

Table 1 of 2

6 rows
CharacteristicValueUnitMethod
Colormax. 20D-1209—
Specific Gravity (25°C)0.903 - 0.908——
Specific Gravity (25°C)0.903 - 0.908—D-268
Inhibitor Content (p-TBC)10 - 20ppmD-6144
Phenol Contentmax. 20ppmD-3160
Puritymin. 99.3wt%D-6144

Table 2 of 2

14 rows
CharacteristicValueUnitMethod
Autoignition Temperature573.9 (1065)°C (°F)—
Boiling Point (760 mm)165.1 (329.2)°C (°F)—
Density (at 25°C (77°F))7.562lb/gal—
Explosive Limits (by volume in air)1.9 - 6.1——
Flash Point47.8 (118)°C (°F)Closed Cup
Flash Point57.8 (136)°C (°F)Open Cup
Melting Point-22.8°C—
Molecular Weight118.2——
Refractive Index (at 20°C)1.5386——
Specific Gravity (at 20°C/68°F))0.91——
Vapor Density (Air = 1.0)4.1——
Viscosity of Liquid (at 40°C (104°F))0.73cP—

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