AdvanSix Alpha Methylstyrene (AMS)

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 & Construction

Adhesives, 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 & Packaging

Paper 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 & Healthcare

Disposable nonwovens.

Chemical Name: Alpha Methyl Styrene (AMS)

CAS Number: 98-83-9

Chemical Family: Styrenics

Labeling Claims: Ketone-free, Alcohol-free, Benzene-free, Kosher, High Purity, Low Water Content

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

Technical Data Sheet

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Identification & Functionality

Chemical Family: Styrenics
Chemical Name: Alpha Methyl Styrene (AMS)
Base Chemicals Functions: Intermediate,
Monomer
CAS No.: 98-83-9
EC No.: 202-705-0
Technologies: Base Chemicals & Intermediates
Product Families: Base Chemicals & Intermediates — Monomers & Oligomers
Styrenics

Features & Benefits

Labeling Claims: Alcohol-free,
Benzene-free,
High Purity,
Ketone-free,
Kosher,
Low Water Content

Applications & Uses

Markets: Industrial
Applications: Industrial — Chemical & Industrial Manufacturing
Chemical Manufacturing,
Resin Manufacturing
Base Chemicals End Uses: ABS Resins,
Agrochemicals,
Aryl-Alkyl Silicone Fluids,
Metal,
Para Cumyl Phenol,
Styrenic Acrylic Resins,
Styrenic Resins,
Tackifying Resins

Properties

Physical Form: Liquid
Appearance: Clear water white liquid
Typical Properties
Physico-Chemical Properties

	Value	Units	Test Method / Conditions
Color	max. 20	D-1209	-
Specific Gravity (25°C)	0.903 - 0.908	-	-
Specific Gravity (25°C)	0.903 - 0.908	-	D-268
Inhibitor Content (p-TBC)	10 - 20	ppm	D-6144
Phenol Content	max. 20	ppm	D-3160
Purity	min. 99.3	wt%	D-6144

	Value	Units	Test Method / Conditions
Autoignition Temperature	573.9 (1065)	°C (°F)	-
Boiling Point (760 mm)	165.1 (329.2)	°C (°F)	-
Density (at 25°C (77°F))	7.562	lb/gal	-
Explosive Limits (by volume in air)	1.9 - 6.1	-	-
Flash Point	47.8 (118)	°C (°F)	Closed Cup
Flash Point	57.8 (136)	°C (°F)	Open Cup
Melting Point	-22.8	°C	-
Molecular Weight	118.2	-	-
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))	0.73	cP	-
Viscosity of Liquid (at 60°C (140°F))	0.59	cP	-
Viscosity of Liquid (at 80°C (176°F))	0.48	cP	-

Regulatory & Compliance

Certifications & Compliance: Kosher,
REACH (Europe)

Packaging & Availability

Packaging Type: Bulk