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SANFRESH DK-500 , San-Dia Polymers, Ltd. , MSDS No. 034390002Date Prepared :March 22 , 2004MATERIAL SAFETY DATA SHEET1. Product and Company IdentificationProduct name :SANFRESH DK-500Intended use :Super absorbent polymerMSDS No.:034390002ManufactureName:San-Dia Polymers, Ltd.Address :No.10 Chuo Bldg., 5-6, Honcho 1-chome, Nihonbashi, Chuo-ku, Tokyo103-0023, JapanTelephone number (Information) :+81-(0)3-5200-1212Fax number :+81-(0)3-5200-3318Division to be contactedName: PL Group / Sanyo Chemical Industries, Ltd.Address :11-1, Ikkyo Nomoto-cho, Higashiyama-ku, Kyoto 605-0995, Japan Emergency telephone number:+81-(0)75-541-4330Telephone number (Information) :+81-(0)75-541-6369Fax number :+81-(0)75-531-21392. Composition/Information on IngredientsSubstance/Preparation:SubstanceChemical Name/Generic Name CAS RN # Wt. %Cross-linked acrylic acid polymer sodium salt Proprietary Approx. 98Water Approx. 2 Ingredients contributing to the hazard:None3. Hazards IdentificationMost Important Hazards:Health Effects:Powder may mechanically injure cornea .Particulate causes nose and throat irritation if inhaled .Environmental Effects:No information is availableSpecific Hazards:Exposure to low levels of dust can result in lung irritationand inflammation.ClassificationEU:Not applicable4. First-Aid MeasuresGeneral information:Always seek medical attention if symptoms develop that are possibly due toexposure through skin or eye contact or through inhalation or ingestion. Inhalation :Remove to fresh air and restore breathing.Skin contact:Flush affected skin with water.Eye contact :Immediately flush eyes with plenty of water for at least 15 minutes including under eyelids. Seek medical attention.Ingestion:Give 1 or 2 glasses of milk or water. Do not induce vomiting. If vomiting should occur spontaneously, keep airway clear. Seek medical attention.5.Fire-fighting MeasuresExtinguishing mediaSuitable:Carbon dioxide, dry chemical, foam, water fogNot suitable:Water jetSpecific hazards:Generate toxic gases (carbon oxides, hydrocarbons etc.)in a fire.Specific methods:Keep away from sources of ignition and use appropriateextinguishing media. Firefighters should be upwindposition.Protection of firefighters:Wear self-contained positive pressure breathingapparatus and full firefighting protective clothing.6. Accidental Release MeasuresPersonal precautions:Wear adequate personal protective clothing and equipment. Environmental precautions :Do not discharge into drains and surface waters.Methods for cleaning up:Stop leaks. Provide adequate ventilation to spill area.Avoid ignition sources such as sparks, flame and staticbuildup.Use explosion-proof equipment.Clean up spills immediately by sweeping up, shoveling upor vacuum and put in a labeled waste container for disposal.Avoid creating explosive concentrations of dust. Information for prevention of secondary hazards:Isolate the hazard area and deny entry for unnecessaryand unprotected personnel.Wet powders and solutions are very slippery.7.Handling and StorageHandlingTechnical measures:Local ventilation is required when dusty conditions.Equip eye wash facility, safety shower in the work area.Precautions:May form flammable dust-air mixtures. Avoid ignition sourcessuch as sparks, static buildup.Avoid contact with eyes, skin and clothing.Avoid breathing fume or dust.Safe handling advice:Wash hands and face thoroughly after handling.StorageTechnical measures:Store in a well-ventilated area.Storage conditions:This product has some possibility of coloring by storing in hotand humid conditions for a long time.Store in a cool and dry place away from heat, sparks and flame.Keep container tightly closed.:Do not place the paper bags on the ground or floor withoutpallets.This product is hygroscopic.Incompatible products:Strong oxidizing agents etc.8. Exposure Controls/Personal ProtectionEngineering measures to reduce exposure:Provide local exhaust ventilation.Control parameterLimit valuesACGIH TLV (2003):Nuisance dust and particulate ; TWA 10mg/m3San-Dia recommend limit ; 0.05mg/m3Personal protective equipmentRespiratory protection:Wear dust mask. Use an approved dust respirator forconcentration in excess of the applicable exposure limit.Hand protection:Wear impervious gloves.Eye protection:Wear safety glasses.Skin and body protection:Wear suitable clothing.Hygiene measures:Eye wash facility, safety shower9. Physical and Chemical PropertiesPhysical stateForm:PowderColor:WhiteOdor:No specific odorpH:6.2 (0.5% suspension in physiological salt soln.)Specific temperature/temperature range at which changes in physical state occurMelting point:Decompose below melting point.Boiling point:Not applicableDecomposition temperature:Approx.250 FFlash point:None (Cleveland Open Cup)Vapor pressure:Not applicableVapor density:Not applicableAutoignition temperature:492 918 F (similar product)Explosion properties:Minimum explosive concentration; >1,200g/m3(similar product) Bulk density:Approx. 0.6 g/ml (at 25 )SolubilityWater:Insoluble, swellableEthyl acetate:InsolubleToluene:InsolubleMethyl alcohol InsolubleOctanol/water partition coefficient:No dataViscosity:Not applicable10. Stability and ReactivityStability:Stable under normal conditionsHazardous reaction:Not occur. No self-reactivityConditions to avoid:NoneMaterials to avoid:Strong oxidizing agents etc.Hazardous decomposition products:Carbon oxides, hydrocarbons etc.11. Toxicological InformationAcute toxicityAcute oral toxicity:LD50 >5,000mg/kg (rat)(similar product)Acute dermal toxicity:No information is available.Acute inhalation toxicity:Exposure to low levels of dust can result in lung irritationand inflammation.Local effectsAcute dermal irritation:Negative (human, patch test, of product) (similar product)Non-irritant (rabbit, of product, 2% preparation) (similar product)Cumulative irritation; Non-irritant (rabbit, 14days, 2% preparation)(similar product)Acute eyes irritation:Non-irritant (rabbit, eye washed group, of product) (similar product)Minimal irritation (rabbit, eye unwashed group, of product)(similar product) Sensitization:No information is available.Chronic toxicity:No information is available.Long term toxicity:No information is available.Specific effectsCarcinogenicity:Not listed on IARC Monographs.Mutagenicity:Negative (Ames test)(similar product)12. Ecological InformationMobility:No information is available.Persistence/Degradability:No information is available.Bioaccumulation:No information is available.EcotoxicityToxicity to fish:No information is available.13. Disposal ConsiderationsWaste from residue:Incinerate under controlled conditions in accordance withfederal, state and local regulations. Any disposal practicemust be in compliance with all local and national regulations. Contaminated packaging:Dispose in accordance with federal, state and local laws andregulations.14. Transport InformationInternational regulationsLand:Transport in accordance with your country and regions regulations ( RID, ADR, DOT etc.).Sea:Transport in accordance with IMDG Code.Air:Transport in accordance with ICAO-TI/IATA-DGR.UN ClassificationUN Class:Not applicableUN No.:Not applicableProper Shipping Name:Not applicable15. Regulatory InformationInventory statusUS TSCA:ListedEU EINECS:Listed. Meets EU polymer definition.CANADA DSL:ListedAUSTRALIA AICS:ListedCHINA IECSC:ListedKOREA ECL:Listed16. Other InformationEU classificationsClassification:Not applicableSymbol (s) :Not applicableRisk phrase (s):Not applicablePlease use this product in such specific applications as described below on the responsibility of user after implementation of effective precaution measures.1. Production and/or application for directly contact with food or raw material of food.2. Production and/or application for contact with food or raw material of food, through the absorbed water with this material.3. Production and/or application for directly contact with eyes and mouth.4. Production and/or application for eating by accident.Storage1. Absorbent polymer has some possibility of coloring in hot and humid conditions.Absorbent polymer absorbs water, rain and so on. Keep containers tightly closed instoring absorbent goods containing absorbent polymer.2. Water gel of absorbent polymer becomes liquid state gradually by exposing to light fora long time.In case of use as water gel, please avoid exposing water gel to the direct sunlight.Date printed:To the best of our knowledge, the information contained herein is accurate. However, neither SAN-DIA nor any of its subsidiaries assumes any liability whatsoever for the accuracy or completeness of the information contained herein. Final determination of suitability of any material is the sole responsibility of the user. All materials may present unknown health hazards and should be used with caution. Although certain hazards are described herein, we cannot guarantee that these are the only hazards which exist.。