Material Safety Data Sheet Sodium bisulfite, reagent ACS Section 1 - Chemical Product and Company Identification MSDS Name: Sodium bisulfite, reagent ACS Catalog Numbers: 41944-0000, 41944-0010, 41944-0025, 41944-1000 Synonyms: Sodium hydrogen sulfite Acros Organics BVBA Company Identification: Janssen Pharmaceuticalaan 3a 2440 Geel, Belgium Acros Organics Company Identification: (USA) One Reagent Lane Fair Lawn, NJ 07410 For information in the US, call: 800-ACROS-01 For information in Europe, call: +32 14 57 52 11 Emergency Number, Europe: +32 14 57 52 99 Emergency Number US: 201-796-7100 CHEMTREC Phone Number, US: 800-424-9300 CHEMTREC Phone Number, Europe: 703-527-3887 Hazard Symbols: Section 2 - Composition, Information on Ingredients CAS# Chemical Name: % EINECS# 7631-90-5 Sodium bisulfite 231-548-0 XN Risk Phrases: 22 31 Section 3 - Hazards Identification EMERGENCY OVERVIEW Harmful if swallowed. Contact with acids liberates toxic gas. Potential Health Effects Eye: Skin: May cause eye irritation. Causes redness and pain. May cause skin irritation. May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material. Causes redness and
pain. May be harmful if absorbed through the skin. Ingestion: Harmful if swallowed. May cause irritation of the digestive tract. Inhalation: May cause respiratory tract irritation. May be harmful if inhaled. Chronic: Eyes: Skin: Ingestion: Inhalation: Notes to Physician: General Information: Extinguishing Media: General Information: Spills/Leaks: Handling: Storage: Section 4 - First Aid Measures Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid. Wash mouth out with water. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. Section 5 - Fire Fighting Measures As in any fire, wear a self-contained breathing apparatus in pressuredemand, MSHA/NIOSH (approved or equivalent), and full protective gear. Use extinguishing media most appropriate for the surrounding fire. DO NOT USE WATER! Use dry chemical. Section 6 - Accidental Release Measures Use proper personal protective equipment as indicated in Section 8. Vacuum or sweep up material and place into a suitable disposal container. Provide ventilation. Section 7 - Handling and Storage Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Use only in a chemical fume hood. Store and handle protected from air. Store in a cool, dry place. Store in a tightly closed container. Keep away from acids. Section 8 - Exposure Controls, Personal Protection Engineering Controls: Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 7631-90-5: United Kingdom, WEL - TWA: 5 mg/m3 TWA United Kingdom, WEL - STEL: 15 mg/m3 STEL
Belgium - TWA: 5 mg/m3 VLE France - VME: 5 mg/m3 VME Malaysia: 5 mg/m3 TWA Netherlands: 5 mg/m3 MAC Spain: 5 mg/m3 VLA-ED Personal Protective Equipment Eyes: Wear chemical splash goggles. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. 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 Respirators: approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. Section 9 - Physical and Chemical Properties Physical State: Crystalline powder Color: white Odor: sulfurous odor - pungent odor ph: 4-5 (25% aq. sol.) Vapor Pressure: Not available Viscosity: Not available Boiling Point: Not available Freezing/Melting Point: 150 deg C dec Autoignition Temperature: Not available Flash Point: Not available Explosion Limits: Lower: Not available Explosion Limits: Upper: Not available Decomposition Temperature: Not available Solubility in water: 300 g/l water Specific Gravity/Density: 1.4800g/cm3 Molecular Formula: NaHSO3 Molecular Weight: 104.06 Section 10 - Stability and Reactivity Chemical Stability: Stable under normal temperatures and pressures. Oxidizes when
Conditions to Avoid: Incompatibilities with Other Materials Hazardous Decomposition Products Hazardous Polymerization RTECS#: exposed to air. High temperatures, incompatible materials, dust generation, exposure to air, temperatures above 150 C, exposure to moist air or water. Oxidizing agents, acids, aluminum. Oxides of sulfur, sodium oxide. Will not occur. Section 11 - Toxicological Information CAS# 7631-90-5: VZ2000000 LD50/LC50: Carcinogenicity: RTECS: CAS# 7631-90-5: Oral, rat: LD50 = 2 gm/kg;. Sodium bisulfite - IARC: Group 3 (not classifiable) Other: Not available See actual entry in RTECS for complete information. Section 12 - Ecological Information Section 13 - Disposal Considerations Dispose of in a manner consistent with federal, state, and local regulations. Section 14 - Transport Information IATA IMO RID/ADR Shipping Name: Not available Not available Not available Hazard Class: UN Number: Packing Group: USA RQ: CAS# 7631-90-5: 5000 lb final RQ; 2270 kg final RQ European/International Regulations Section 15 - Regulatory Information European Labeling in Accordance with EC Directives Hazard Symbols: XN Risk Phrases: R 22 Harmful if swallowed. R 31 Contact with acids liberates toxic gas. Safety Phrases:
S 25 Avoid contact with eyes. S 46 If swallowed, seek medical advice immediately and show this container or label. WGK (Water Danger/Protection) Canada CAS# 7631-90-5: 1 CAS# 7631-90-5 is listed on Canada's DSL List </ TD> US Federal TSCA CAS# 7631-90-5 is listed on the TSCA Inventory. Section 16 - Other Information MSDS Creation Date: 11/08/1996 Revision #2 Date 8/07/2000 Revisions were made in Sections: General revision. The information above is believed to be accurate and represents the best information currently available to us. However, we make no warranty of merchantibility or any other warranty, express or implied, with respect to such information, and we assume no liability resulting from its use. Users should make their own investigations to determine the suitability of the information for their particular purposes. In no event shall the company be liable for any claims, losses, or damages of any third party or for lost profits or any special, indirect, incidental, consequential, or exemplary damages howsoever arising, even if the company has been advised of the possibility of such damages. --------------------------------------------------------------------------------