ALDRICH CHEMICAL SUB OF SIGMA-ALDRICH -- 21726-3 SODIUM THIOSULFATE, 99% - SODIUM THIOSULFATE MATERIAL SAFETY DATA SHEET NSN: 6810014465186 Manufacturer's CAGE: 60928 Part No. Indicator: A Part Number/Trade Name: 21726-3 SODIUM THIOSULFATE, 99% =========================================================================== General Information =========================================================================== Item Name: SODIUM THIOSULFATE Company's Name: ALDRICH CHEMICAL CO INC./SUB OF SIGMA-ALDRICH CORP Company's Street: 1001 W. ST. PAUL AVE Company's P. O. Box: 355 Company's City: MILWAUKEE Company's State: WI Company's Country: US Company's Zip Code: 53201 Company's Emerg Ph #: 414-273-3850 Company's Info Ph #: 414-273-3850/FAX -4979 Record No. For Safety Entry: 001 Tot Safety Entries This Stk#: 001 Status: SE Date MSDS Prepared: 28NOV95 Safety Data Review Date: 30OCT97 Supply Item Manager: CX MSDS Serial Number: CFLHN Specification Number: UNKNOWN Hazard Characteristic Code: N1 Unit Of Issue: BT Unit Of Issue Container Qty: 250 GRAMS Type Of Container: BOTTLE Net Unit Weight: 250 GRAMS =========================================================================== Ingredients/Identity Information =========================================================================== Proprietary: NO Ingredient: SODIUM THIOSULFATE Ingredient Sequence Number: 01 Percent: 99 NIOSH (RTECS) Number: XN6476000 CAS Number: 7772-98-7 OSHA PEL: NOT ESTABLISHED ACGIH TLV: NOT ESTABLISHED Other Recommended Limit: NONE RECOMMENDED =========================================================================== Physical/Chemical Characteristics =========================================================================== Appearance And Odor: WHITE CRYUSTALLINE POWDER Boiling Point: NP Melting Point: NP Vapor Pressure (MM Hg/70 F): NP Vapor Density (Air=1): NP Specific Gravity: 1.667 Decomposition Temperature: NP Evaporation Rate And Ref: NP Solubility In Water: NP Percent Volatiles By Volume: NP pH: NP Corrosion Rate (IPY): NP =========================================================================== Fire and Explosion Hazard Data =========================================================================== Flash Point: NON-COMBUSTIBLE Flash Point Method: NP Lower Explosive Limit: NP Upper Explosive Limit: NP Extinguishing Media: USE EXTINGUISHING MEDIA APPRORIATE TO SURROUNDING FIRE CONDITIONS. Special Fire Fighting Proc: WEAR SELF-CONTAINED BREATHING APPARATUS & PROTECTIVE CLOTHING TO PREVENT CONTCT W/SKIN/EYES. Unusual Fire And Expl Hazrds: EMITS TOXIC FUMES UNDER FIRE CONDITIONS. =========================================================================== Reactivity Data =========================================================================== Cond To Avoid (Stability): PROTECTIVE FROM MOISTURE. Materials To Avoid: INCOMPATABLE W/LEAD,SILVER & MERCURY SALTS,AND IODINES. STRONG ACIDS, STRONG OXIDIZING AGENTS. Hazardous Decomp Products: SURLFUR OXIDES Conditions To Avoid (Poly): NOT APPLICABLE =========================================================================== Health Hazard Data =========================================================================== LD50-LC50 Mixture: NONE SPECIFIED BY MANUFACTURER. Route Of Entry - Inhalation: YES Route Of Entry - Skin: YES Route Of Entry - Ingestion: YES Health Haz Acute And Chronic: MAY BE HARMFUL BY INHAL/INGEST OR SKIN ABSORPTION.CAUSES EYE/SKIN IRRIT.MATLS IS IRRIT TO MUCOUS MEMBRANES & UPPER RESPIRATORY TRACT.TO THE BEST OF OUR KNOWLEDGE CHEM/PHSY/TOXICOLOGICAL PROPERTIES HAVE NOT BEEN THOROUGHLY INVESTIGATED. Carcinogenicity - NTP: NO Carcinogenicity - IARC: NO Carcinogenicity - OSHA: NO Signs/Symptoms Of Overexp: HARMFUL BY INHAL/INGEST/SKIN ABSORPTION.EYE/ SKIN/MUCOUS MEMBRANES/UPPER RESPIRATORY TRACT IRRIT. Med Cond Aggravated By Exp: NONE SPECIFIED BY MANUFACTURER. Emergency/First Aid Proc: IN CASES OF CONTACT IMMED FLUSH EYES W/ COPIOUS AMTS OF WATER FOR @LEAST 15MINS.IN CASE OF CONTACT IMMED WASH SKIN W/COPIOUS AMTS OF WATER.IF INHAL REMOVE TO FRESH AIR.IF NOT BREATHING GIVE ART RESP.IF BREATHING IS DIFFICULT GIVE OXYGEN.IF SWALLOWED WASH OUT MOUTH W/WATER PROVIDED PERSON IS CONSCIOUS.CALL DR. =========================================================================== Precautions for Safe Handling and Use =========================================================================== Steps If Matl Released/Spill: WEAR SELF-CONTAINED BREATHING APPARATUS, RUBBER BOOTS & HEAVY RUBBER GLOVES.SWEEP UP PLACE IN BAG & HOLD FOR WASTE DISPOSAL.AVOD RAISING DUST.VENTILATE AREA & WASH SPILL SITE AFTER MATERIAL PICKUP IS COMPLETE. Neutralizing Agent: NONE SPECIFIED BY MANUFACTURER. Waste Disposal Method: OBSERVE ALL LOCAL, STATE AND FEDERAL ENVIRO REGULATIONS.SM QUANT:CAUTIOUSLY ADD TO LG STIRRED EXCESS OF WATER.ADJUST PH TO NEUTRAL SEPARATE ANY INSOLUBLE SOLIDS OR LIQ & PKG THEM FOR HAZ WASTE DISPO.FLUSH AQU SOLN DOWN DRAIN W/PLENTY OF WATER(SUPPLE) Precautions-Handling/Storing: DONT BREATHE DUST.AVOID CONTACT W/EYE/SKIN/ CLOTHING.AVOID PROL/REP EXPOSURE.IRRITANT.KEEP TIGHTLY CLOSED.HYGROSCOPIC. STORE IN COOL DRY PLACE. Other Precautions: AVOID CONTACT W/ACID. =========================================================================== Control Measures =========================================================================== Respiratory Protection: WEAR APPROPRIATE NIOSH/MSHA APPROVED RESPIRATOR. Ventilation: MECHANICL EXHAUST REQUIRED. Protective Gloves: CHEM-RESISTANT GLOVES Eye Protection: SAFETY GOGGLES Other Protective Equipment: OTHER PROTECTIVE CLOTHING.SAFETY SHOWER & EYE BATH. Work Hygienic Practices: WASH CONTAMINATED CLOTHING BEFORE REUSE.WASH THOROUGHLY AFTER HNDLG. Suppl. Safety & Health Data: DISPOSAL:HYDROLYSIS & NEUTRALIZATION RXS MAY GENERATE HEAT & FUMES WHICH CAN BE CONTROLLED BY RATE OF ADDITION. =========================================================================== Transportation Data =========================================================================== Trans Data Review Date: 97303 DOT PSN Code: ZZZ DOT Proper Shipping Name: NOT REGULATED BY THIS MODE OF TRANSPORTATION IMO PSN Code: ZZZ IMO Proper Shipping Name: NOT REGULATED FOR THIS MODE OF TRANSPORTATION IATA PSN Code: ZZZ IATA Proper Shipping Name: NOT REGULATED BY THIS MODE OF TRANSPORTATION AFI PSN Code: ZZZ AFI Prop. Shipping Name: NOT REGULATED BY THIS MODE OF TRANSPORTATION Additional Trans Data: PER MSDS:CONTACT ALDRICH CHEMICAL COMPANY FOR TRANSPORTATION INFO. =========================================================================== Disposal Data =========================================================================== =========================================================================== Label Data =========================================================================== Label Required: YES Technical Review Date: 30OCT97 Label Date: 28NOV95 Label Status: G Common Name: 21726-3 SODIUM THIOSULFATE, 99% Chronic Hazard: NO Acute Health Hazard-Slight: X Contact Hazard-Slight: X Fire Hazard-None: X Reactivity Hazard-None: X Special Hazard Precautions: IRRITANT.IRRIT EYES/RESP SYSTEM/SKIN.WEAR SUITABLE PROTECTIVE CLOTHING.TARGET ORGANS:EYE/SKIN/RESP TRACT.DONT BREATHE DUST.AVOID CONTACT W/EYE/SKIN/CLOTHING.AVOID PROL/REP EXPOSURE.IRRITANT. KEEP TIGHTLY CLOSED.HYGROSCOPIC.STORE IN COOL DRY PLACE. FIRST AID: IN CASES OF CONTACT IMMED FLUSH EYES W/COPIOUS AMTS OF WATER FOR @LEAST 15MINS.IN CASE OF CONTACT IMMED WASH SKIN W/COPIOUS AMTS OF WATER.IF INHAL REMOVE TO FRESH AIR.IF NOT BREATHING GIVE ART RESP.IF BREATHING IS DIFFICULT GIVE OXYGEN.IF SWALLOWED WASH OUT MOUTH W/WATER PROVIDED PERSON IS CONSCIOUS.CALL DR. Protect Eye: Y Protect Skin: Y Protect Respiratory: Y Label Name: ALDRICH CHEMICAL CO INC./SUB OF SIGMA- ALDRICH CORP Label Street: 1001 W. ST. PAUL AVE Label P.O. Box: 355 Label City: MILWAUKEE Label State: WI Label Zip Code: 53201 Label Country: US Label Emergency Number: 414-273-3850