α-methylstyrene(AMS) 99.3% colorless transparent liquid
TDS 9 Inquiries
98-83-9
Industrial Grade
99.3%
180kg iron drum
2025-06-13
Ethyl chloroacetate,Methyl chloroacetate,2-Thiophenecarboxaldehyde,Zinc Sulfide,DCOIT,Trichloroisocyanuric Acid
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Product Description
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Seller Information
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Inquiry History
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DescriptionCertificatesBasic Info
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Product Name:
α-Methylstyrene
Other Name:Benzene,(1-methylethenyl)-;Styrene,α-methyl-;Benzene,isopropenyl-;(1-Methylethenyl)benzene;Isopropenylbenzene;α-Methylstyrene;β-Phenylpropylene;1-Propene,2-phenyl-;α-Methylstyrol;1-Methyl-1-phenylethylene;1-Phenyl-1-methylethylene;2-Phenylpropene;2-Phenyl-1-propene;2-Phenyl-2-propene;Methylstyrene;1-Methyl-1-phenylethene;1-Methylvinyl benzene;NSC 9400;α-Methylvinylbenzene;2-Phenylpropylene;2-Phenyl-1-propylene;Prop-1-en-2-ylbenzene;K 150 (styrene);2256721-46-5
CAS No.:98-83-9
Molecular Formula:C9H10
InChIKeys:InChIKey=XYLMUPLGERFSHI-UHFFFAOYSA-N
Molecular Weight:118.18
Exact Mass:118.18
BRN:969405
EC Number:202-705-0
UNII:D46R9753IK
ICSC Number:0732
NSC Number:9400
UN Number:2303
DSSTox ID:DTXSID9025661
Color/Form:Colorless liquid ...
HScode:2902909090
Categories:
Characteristics-
PSA:
0
XLogP3:3.38
Appearance:Clear colorless Liquid
Density:0.9106 g/cm3
Melting Point:-23.2 °C
Boiling Point:165.4 °C
Flash Point:114 °F
Refractive Index:1.510
Water Solubility:H2O: insoluble
Storage Conditions:2-8°C
Vapor Pressure:2.1 mm Hg ( 20 °C)
Vapor Density:4.1 (vs air)
Toxicity:Oral-rat LD50: 4900 mg/kg; Oral-Mouse LD50: 4500 mg/kg
Flammability characteristics:Flammable; spicy and irritating smoke is released in the fire;
Explosive limit:0.9-6.6%(V)
Odor:... Characteristic odor.
OH:5.20e-11 cm3/molecule*sec
Experimental Properties:Ionization potential: 8.35 electron volts (eV)|Hydroxyl radical reaction rate constant = 5.2X10-11 cu cm/molecule-sec @ 25 °C
Air and Water Reactions:Flammable. Oxidizes readily in air to form unstable peroxides that may explode spontaneously [Bretherick, 1979 p.151-154, 164]. Insoluble in water.
Reactive Group:Hydrocarbons, Aromatic
Reactivity Alerts:Highly Flammable
Reactivity Profile:ISOPROPENYLBENZENE is easily peroxidizable; the peroxide may initiate exothermic polymerization of the bulk material. Reacts violently with strong oxidizing agents [Handling Chemicals Safely, 1980 p. 866; Bretherick, 1979 p. 160].
Autoignition Temperature:1066 °F (USCG, 1999)|1066 °F (574 °C)|574 °C
Heat of Combustion:4863.73 kJ/mol at 25 °C (gas at constant pressure)
Ionization Potential:8.35 eV
Flammable Limits:1.9% (lower flammable limit) ; 6.1% (upper flammable limit)|Class II Combustible Liquid: Fl.P. at or above 100°F and below 140°F.
Heat of Vaporization:404.55 J/g at 25 °C; 326.35 J/g at boiling point
Critical Temperature & Pressure:Critical temperature: 384 °C; Critical pressure: 4.36 MPa
Hazard IdentificationClassification of the substance or mixture
Flammable liquids, Category 3
Eye irritation, Category 2
Specific target organ toxicity â single exposure, Category 3
Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 2
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H226 Flammable liquid and vapour
H319 Causes serious eye irritation
H335 May cause respiratory irritation
H411 Toxic to aquatic life with long lasting effects
Precautionary statement(s) Prevention P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P233 Keep container tightly closed.
P240 Ground and bond container and receiving equipment.
P241 Use explosion-proof [electrical/ventilating/lighting/...] equipment.
P242 Use non-sparking tools.
P243 Take action to prevent static discharges.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
P264 Wash ... thoroughly after handling.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P271 Use only outdoors or in a well-ventilated area.
P273 Avoid release to the environment.
Response P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse affected areas with water [or shower].
P370+P378 In case of fire: Use ... to extinguish.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P319 Get medical help if you feel unwell.
P391 Collect spillage.
Storage P403+P235 Store in a well-ventilated place. Keep cool.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
NO open flames, NO sparks and NO smoking. Above 54°C use a closed system, ventilation and explosion-proof electrical equipment. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store only if stabilized. Store in an area without drain or sewer access. Fireproof. Well closed. Separated from strong oxidants.DURING STORAGE IT IS FREQUENTLY STABILIZED WITH TERT-BUTYL CATECHOL AS INHIBITOR.
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Seller Information
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Business Type:
Trader
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Main Products:
Ethyl chloroacetate,Methyl chloroacetate,2-Thiophenecarboxaldehyde,Zinc Sulfide,DCOIT,Trichloroisocyanuric Acid
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Location:
NO.2577, DONGFANG ROAD,WEIFANG,CHINA
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Payment Terms:
TT against copy of documents,D/P,TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
300
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Total Annual Revenue:
$25 million-$50 million
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Total Employees:
11-50
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Year of Establishment:
2004
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Inquiry History9 Inquiries
Country Product Purchase Quantity Date Posted 
Japan
AMS
1000 KG Nov 10, 2023 
Philippines
alpha-methylstyrene
10 KG Mar 15, 2026 
United Kingdom
Alpha methyl styrene
25 KG Mar 12, 2025 
India
Alpha Methylene styren
50 MT Jul 6, 2024 
Australia
2-Phenyl-1-propene
1 KG Feb 13, 2024 
Russia
α-Methylstyrene
100 MT Jan 30, 2026 
South Korea
Butyl Acrylate
100 MT Mar 25, 2024
South Korea
alpha-methylstyrene
200 MT Feb 27, 2024
South Korea
alpha-methylstyrene
200 MT Feb 22, 2024 Post an enquiry for this product
