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        Poly(styrene-co-acrylonitrile)

        CAS No.: 9003-54-7
        Formula: C33H33N3X2
        Molecular Weight: 471.64
        Suppliers: All(0) China Suppliers(0) Products(2)
        • Description
        • Basic Info
        • Safety Info
        • MSDS
        • Price
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        • Supplier Reference
        What is Poly(styrene-co-acrylonitrile)

        Prop-2-enenitrile, commonly known as acrylonitrile, and styrene are key monomers in the production of synthetic polymers and copolymers. Acrylonitrile is a versatile chemical used in the manufacture of acrylic fibers, plastics, and synthetic rubber, while styrene is a fundamental building block for polystyrene and various copolymers like ABS (acrylonitrile-butadiene-styrene). When combined, these monomers form styrene-acrylonitrile (SAN) copolymers, which are valued for their excellent chemical resistance, rigidity, and clarity. These materials are widely used in automotive parts, electronics, packaging, and household goods. Together, prop-2-enenitrile and styrene play a critical role in modern industrial applications, offering durability, versatility, and performance in a range of products.

        Preparation Process: Prop-2-enenitrile (acrylonitrile) can be prepared via the ammoxidation of propylene. Propylene, ammonia, and oxygen are passed over a catalyst (e.g., bismuth phosphomolybdate) at 400–500°C, yielding acrylonitrile, water, and byproducts. Styrene is produced through the dehydrogenation of ethylbenzene. Ethylbenzene is vaporized and passed over a catalyst (e.g., iron(III) oxide with potassium oxide) at 600–650°C under reduced pressure, forming styrene and hydrogen. Alternatively, ethylbenzene can undergo oxidation to ethylbenzene hydroperoxide, followed by reaction with propylene to yield styrene and propylene oxide (POSM process). Both methods are industrially significant.

        Usage Scenarios: Prop-2-enenitrile (acrylonitrile) and styrene are key monomers in polymer production. Acrylonitrile is primarily used to synthesize polyacrylonitrile (PAN), a precursor for carbon fibers, and in the production of acrylonitrile-butadiene-styrene (ABS) plastics, nitrile rubber, and adhesives. Styrene is widely employed to manufacture polystyrene (PS) for packaging, insulation, and disposable products, as well as in styrene-butadiene rubber (SBR) for tires. Copolymerization of acrylonitrile and styrene produces styrene-acrylonitrile (SAN) resin, used in automotive parts, appliances, and consumer goods. Both compounds are essential in industrial applications due to their durability, chemical resistance, and versatility in creating high-performance materials.

        Poly(styrene-co-acrylonitrile) Basic Info
        Chemical Name Poly(styrene-co-acrylonitrile)
        Synonyms POLY(STYRENE/ACRYLONITRILE);AS resin;fn20;fn25;sn20;sn25;snp2;litac;luran;san-c
        CAS No. 9003-54-7
        Molecular Formula C33H33N3X2
        Molecular Weight 471.64
        PSA 23.79000
        LogP 3.02558
        Safely Info
        RTECS AT6978000
        Hazard Class -
        Safety Statements 9-61-53-45-16-24/25
        HS Code 39032000
        WGK Germany -
        Packing Group -
        RIDADR -
        Risk Statements 22
        Hazard Codes Xn
        Caution Statement P264-P270-P301+P312-P330-P501
        Hazard Declaration H302
        Symbol GHS07
        Signal Word Warning
        Poly(styrene-co-acrylonitrile) Price
        United States: $500-$700
        China: $300-$500
        Russia: $400-$600
        Germany: $600-$800
        India: $200-$400
        Japan: No results
        Brazil: $300-$500
        South Korea: $400-$600
        Philippines: No results
        United Kingdom: $600-$800
        France: $500-$700
        Mexico: $300-$500
        Canada: $500-$700
        South Africa: $200-$400
        Egypt: No results
        Turkey: $400-$600
        Thailand: $300-$500
        Indonesia: $200-$400
        MSDS
        MSDS
        Name: Poly(styrene-acrylonitrile) 25 wt.% acrylonitrile average MW ca. Material Safety Data Sheet
        Synonym: None
        CAS: 9003-54-7
        Section 1 - Chemical Product   MSDS Name:Poly(styrene-acrylonitrile) 25 wt.% acrylonitrile average MW ca. Material Safety Data Sheet
        Synonym:None
        Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
        CAS# Chemical Name content EINECS#
        9003-54-7 Poly(styrene-acrylonitrile) 100 unlisted
        Hazard Symbols: T F
        Risk Phrases: 11 23/24/25 38 45
        Section 3 - HAZARDS IDENTIFICATION
          EMERGENCY OVERVIEW
        Highly flammable. Toxic by inhalation, in contact with skin and if swallowed. Irritating to skin. May cause cancer.
        Potential Health Effects
        Eye:
        Causes severe eye irritation. May result in corneal injury.
        Lachrymator (substance which increases the flow of tears). Causes redness and pain.
        Skin:
        Causes skin irritation. May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material.
        Prolonged and/or repeated contact may cause defatting of the skin and dermatitis. May be harmful if absorbed through the skin.
        Ingestion:
        Symptoms may include: headache, excitement, fatigue, nausea, vomiting, stupor, and coma. Causes gastrointestinal irritation with nausea, vomiting and diarrhea. May be harmful if swallowed.
        Inhalation:
        Inhalation of high concentrations may cause central nervous system effects characterized by nausea, headache, dizziness, unconsciousness and coma. May cause cyanosis (bluish discoloration of skin due to deficient oxygenation of the blood). May cause irritation of the respiratory tract with burning pain in the nose and throat, coughing, wheezing, shortness of breath and pulmonary edema. May be harmful if inhaled. Exposure to high concentrations may cause weakness, asphyxia, and death.
        Chronic:
        May cause cancer in humans. Prolonged skin contact results in systemic toxicity and ulceration after a latency period of several hours with the affected skin resembling a second degree thermal burn.
        Section 4 - FIRST AID MEASURES
          Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
        Skin:
        Get medical aid. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
        Wash clothing before reuse. Destroy contaminated shoes.
        Ingestion:
        Do not induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately. Wash mouth out with water.
        Inhalation:
        Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. Do NOT use mouth-to-mouth resuscitation. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask.
        Notes to Physician:
        Antidote: Always have a cyanide antidote kit on hand when working with cyanide compounds. Get medical advice to use.
        Section 5 - FIRE FIGHTING MEASURES
          General Information:
        As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Dusts at sufficient concentrations can form explosive mixtures with air. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
        Use water spray to keep fire-exposed containers cool. Containers may explode in the heat of a fire. May polymerize explosively when involved in a fire.
        Extinguishing Media:
        For small fires, use dry chemical, carbon dioxide, water spray or alcohol-resistant foam. For large fires, use water spray, fog or alcohol-resistant foam. Do NOT use straight streams of water. Cool containers with flooding quantities of water until well after fire is out.
        Section 6 - ACCIDENTAL RELEASE MEASURES
          General Information: Use proper personal protective equipment as indicated in Section 8.
        Spills/Leaks:
        Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the Protective Equipment section. Remove all sources of ignition.
        Provide ventilation.
        Section 7 - HANDLING and STORAGE
          Handling:
        Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well-ventilated area. Minimize dust generation and accumulation. Use spark-proof tools and explosion proof equipment. Do not get in eyes, on skin, or on clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Do not ingest or inhale. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames.
        Storage:
        Keep away from heat and flame. Keep away from sources of ignition.
        Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
        Flammables-area.
        Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
          Engineering Controls:
        Use process enclosure, local exhaust ventilation, or other engineering controls to control airborne levels below recommended exposure limits. Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. See 29CFR 1910.1045 for regulations applying to all occupational exposures to acrylonitrile.
        Exposure Limits CAS# 9003-54-7: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
        Skin:
        Wear appropriate protective gloves to prevent skin exposure.
        Clothing:
        Wear appropriate protective clothing to prevent skin exposure.
        Respirators:
        Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.
        Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
         
        Physical State: Solid
        Color: almost colorless
        Odor: Not available.
        pH: Not available.
        Vapor Pressure: Not available.
        Viscosity: Not available.
        Boiling Point: Not available.
        Freezing/Melting Point: Not available.
        Autoignition Temperature: Not applicable.
        Flash Point: Not applicable.
        Explosion Limits, lower: Not available.
        Explosion Limits, upper: Not available.
        Decomposition Temperature:
        Solubility in water: soluble in butanone, chloroform, thf
        Specific Gravity/Density: 1.080
        Molecular Formula: [CH2CH(C6H5)-]x[-CH2CH(CN)-]y
        Molecular Weight:
        Section 10 - STABILITY AND REACTIVITY
          Chemical Stability:
        Stable under normal temperatures and pressures. Stable. However, it may undergo explosive polymerization if uninhibited.
        Conditions to Avoid:
        Incompatible materials, light, ignition sources, dust generation, excess heat.
        Incompatibilities with Other Materials:
        Oxidizing agents, acids, bases, copper, copper alloys, heat, light, bromine, silver nitrate, benzyl trimethylammonium hydroxide, peroxides.
        Hazardous Decomposition Products:
        Hydrogen cyanide, nitrogen oxides, carbon monoxide, carbon dioxide.
        Hazardous Polymerization: Has not been reported
        Section 11 - TOXICOLOGICAL INFORMATION
          RTECS#:
        CAS# 9003-54-7: AT6978000 LD50/LC50:
        CAS# 9003-54-7: Oral, mouse: LD50 = 1 gm/kg; Oral, rat: LD50 = 1800 mg/kg.
        Carcinogenicity:
        Poly(styrene-acrylonitrile) - Not listed by ACGIH, IARC, or NTP.
        Other:
        See actual entry in RTECS for complete information.
        Section 12 - ECOLOGICAL INFORMATION
          Ecotoxicity:
        Fish: Bluegill/Sunfish: 28mg/L; 24HFish: Fathead Minnow: 10,000ug/L; 96H; Flow-throughDaphnia: Water Flea: 13mg/L; 24H
        Section 13 - DISPOSAL CONSIDERATIONS
          Dispose of in a manner consistent with federal, state, and local regulations.
        Section 14 - TRANSPORT INFORMATION
         
        IATA
        Shipping Name: Not regulated.
        Hazard Class:
        UN Number:
        Packing Group:
        IMO
        Shipping Name: Not regulated.
        Hazard Class:
        UN Number:
        Packing Group:
        RID/ADR
        Shipping Name: Not regulated.
        Hazard Class:
        UN Number:
        Packing group:
        Section 15 - REGULATORY INFORMATION
         
        European/International Regulations
        European Labeling in Accordance with EC Directives
        Hazard Symbols: T F
        Risk Phrases:
        R 45 May cause cancer.
        R 11 Highly flammable.
        R 23/24/25 Toxic by inhalation, in contact with skin
        and if swallowed.
        R 38 Irritating to skin.
        Safety Phrases:
        S 53 Avoid exposure - obtain special instructions
        before use.
        S 45 In case of accident or if you feel unwell, seek
        medical advice immediately (show the label where
        possible).
        WGK (Water Danger/Protection)
        CAS# 9003-54-7: No information available.
        Canada
        CAS# 9003-54-7 is listed on Canada's DSL List.
        CAS# 9003-54-7 is not listed on Canada's Ingredient Disclosure List.
        US FEDERAL
        TSCA
        CAS# 9003-54-7 is listed on the TSCA inventory.

        SECTION 16 - ADDITIONAL INFORMATION
        N/A
        SDS 1.0
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