MATERIAL SAFETY DATA SHEET

Product Name: Polystyrene Pellets

Catalog Number: 12025

Hazard Class: Not hazardous

MSDS Updated: 9/16/05

Distributed By: Ladd Research Industries

83 Holly Court

Williston, VT 05495

(802) 658-4961

NON-HAZARDOUS COMPONENTS

CAS Number Percent Exposure Limits

Styrene Polymer (polystyrene) 9003-53-6 99.9% Not Available

PHYSICAL AND CHEMICAL DATA

Appearance and Odor: Colorless, odorless pellet

Melting Point: >100EC

Specific Gravity: 1.05

Solubility in Water: Insoluble

FIRE AND EXPLOSION DATA

Flash Point: 525EC (Cleveland Open Cup)

Explosive Limits: Not applicable

Extinguishing Media: Dry chemical, CO2, water

Special Fire Fighting Methods: Use NIOSH/MSHA approved SCBA and full protective equipment.

HEALTH HAZARD DATA

No primary routes of entry.

No acute or chronic health hazards as specified by manufacturer.

Non-carcinogenic.

EMERGENCY AND FIRST AID

Ingestion: Call physician.

Inhalation: Remove from exposure. If breathing stops begin mouth-to-mouth resuscitation and call physician.

Eyes: Flush with water for at least 15 minutes.

Skin: Wash affected area with soap and water.

REACTIVITY DATA

Stability: Stable

Materials to Avoid: Strong oxidizing agents

Hazardous Decomposition Products: CO and organics of unknown chemical composition.

Hazardous Polymerization: Will not occur

SPILL, DISPOSAL AND STORAGE INFORMATION

In Case of Release or Spill: Sweep up spill and place in containers for salvage or disposal.

Disposal: In accordance with federal, state and local regulations.

Storage: Treat as a combustible solid. Store away from oxidizing materials in a cool, dry place with adequate ventilation.

PROTECTIVE EQUIPMENT AND CONTROL MEASURES

Ventilation: Local exhaust adequate.

Protective Gloves: Impervious gloves (rubber, nitrile, etc.)

Eye Protection: ANSI approved chemical worker goggles

SECTION 313 SUPPLIER NOTIFICATION

Not applicable

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The information presented is believed to be correct and is the most accurate information available to us at this time. However, Ladd Research makes no warranty, express or implied, and assumes no liability for this information and the product described herein.