Material Safety Data Sheet Sodium Thiosulfate, Pentahydrate. Section 1 - Chemical Product and Company Identification

Transcription

1 ISO9001:2000 Certified Material Safety Data Sheet Section 1 - Chemical Product and Company Identification MSDS Name: Catalog Numbers: LC24990 Synonyms: Company Identification: LabChem, Inc. 200 William Pitt Way Pittsburgh, PA Company Phone Number: (412) Emergency Phone Number: (800) CHEMTREC Phone Number: (800) Section 2 - Composition, Information on Ingredients CAS# Chemical Name: Percent Sodium Thiosulfate 100 Section 3 - Hazards Identification Emergency Overview Appearance: White Crystals. Caution! May cause irritation to eyes and skin. May cause irritation to respiratory and digestive tracts. Target Organs: None. Potential Health Effects Eye: May cause mild eye irritation. May cause skin irritation. Ingestion: Ingestion may cause sore throat, coughing, nausea, abdominal pain. Inhalation: Inhalation may cause coughing, respiratory irritation, dyspnea, pulmonary edema. Chronic: Exposure may result in mucous membrane irritation, dermatitis, conjunctivitis

2 Section 4 - First Aid Measures Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids until no evidence of chemical remains. Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. Ingestion: Give conscious victim 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid. Inhalation: Move victim to fresh air immediately. Give artificial respiration if necessary. If breathing is difficult, give oxygen. Get medical aid. Notes to Physician: Treat symptomatically and supportively. Section 5 - Fire Fighting Measures General Information: Negligible fire and explosion hazard when exposed to heat or flame. Move container if possible, avoid breathing vapors or dust. Extinguishing Media: For small fires, use water spray, dry chemical, carbon dioxide or chemical foam. Autoignition Temperature: Not applicable. Flash Point: Not applicable. NFPA Rating: CAS# : Not published. Explosion Limits: Lower: No information Upper: No information Section 6 - Accidental Release Measures General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Absorb spills with absorbent (vermiculite, sand, fuller's earth) and place in plastic bags for later disposal. Scoop material into suitable (plastic or glass) container, label for disposal. Section 7 - Handling and Storage - 2 -

3 Handling: Avoid prolonged or repeated contact with skin. Avoid ingestion and inhalation. Use with adequate ventilation. Storage: Store at room temperature. Keep away from heat and incompatible substances. Section 8 - Exposure Controls, Personal Protection Engineering Controls: Use adequate ventilation to keep airborne concentrations low. Exposure Limits: Chemical Name: ACGIH NIOSH OSHA Sodium Thiosulfate OSHA Vacated PELs: 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 Wear appropriate gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. Respirators: Follow the OSHA respirator regulations found in 29CFR Always use a NIOSH-approved respirator when necessary. Section 9 - Physical and Chemical Properties Physical State: Crystals. Color: White. Odor: Odorless. ph: Vapor Pressure: No information found. Vapor Density: No information found. Evaporation Rate: No information found. Viscosity: No information found. Boiling Point: No information found. Freezing/Melting Point: 48.5 C Decomposition Temperature: >45 C Solubility in water: Soluble. 680g/L (20 C) Specific Gravity/Density: 1.73 Molecular Formula: Na 2 S 2 O 3 5H 2 O - 3 -

4 Molecular Weight: Section 10 - Stability and Reactivity Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Sodium nitrite, metal nitrates, chlorine solutions, acids. Hazardous Decomposition Products: Hydrogen sulfide, sodium oxide, sulfur oxides (SOx), including sulfur oxide and sulfur dioxide. Hazardous Polymerization: Has not been reported. Section 11 - Toxicological Information RTECS: CAS# : XN LD50/LC50: CAS# : No information found. Carcinogenicity: CAS# : Not listed as a carcinogen by ACGIH, IARC, NIOSH, NTP, OSHA, or CA Prop 65. Epidemiology: Sodium thiosulfate is an eye, skin, mucous membrane irritant. Large doses have a cathartic action. Teratogenicity: Reproductive: Mutagenicity: Neurotoxicity: Section 12 - Ecological Information No information found. Section 13 - Disposal Considerations Dispose of in accordance with Federal, State, and local regulations. Section 14 - Transport Information - 4 -

5 US DOT Shipping Name: Not regulated. Hazard Class: UN Number: Packing Group: Material Safety Data Sheet US Federal Section 15 - Regulatory Information TSCA: CAS# is listed on the TSCA Inventory. SARA Reportable Quantities (RQ): CERCLA/SARA Section 313: OSHA - Highly Hazardous: US State State Right to Know: California Regulations: European/International Regulations Canadian DSL/NDSL: CAS# is listed on Canada's DSL List. Canada Ingredient Disclosure List: CAS# is not listed on Canada's Ingredient Disclosure List. Section 16 - Other Information MSDS Creation Date: March 7, 2005 Revision Date: May 30, 2007 Information in this MSDS is from available published sources and is believed to be accurate. No warranty, express or implied, is made and LabChem Inc. assumes no liability resulting from the use of this MSDS. The user must determine suitability of this information for his application