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p.pp 0 2 0 HealthFireReactivityPersonalProtection 200EMaterial Safety Data SheetSodium metabisulfite MSDSSection 1: Chemical Product and Company Identification Product Name: Sodium metabisulfite Catalog Codes: SLS3025 CAS#: 7681-57-4 RTECS: VZ2000000 TSCA: TSCA 8(b) inventory: Sodium metabisulfite CI#: Not available. Synonym: Disodium disulfite; Disodium pyrosulfite; Sodium Pyrosulfite; Sodium Metabisulphite Chemical Name: Pyrosulfurous acid, disodium salt Chemical Formula: Na2S2O5 Contact Information: Sciencelab.com, Inc. 14025 Smith Rd. Houston, Texas 77396 US Sales: 1-800-901-7247 International Sales: 1-281-441-4400 Order Online: ScienceLab.com CHEMTREC (24HR Emergency Telephone), call: 1-800-424-9300 International CHEMTREC, call: 1-703-527-3887 For non-emergency assistance, call: 1-281-441-4400 Section 2: Composition and Information on Ingredients Composition: Name CAS #% by Weight Sodium metabisulfite 7681-57-4 100 Toxicological Data on Ingredients: Sodium metabisulfite: ORAL (LD50): Acute: 1131 mg/kg [Rat]. DERMAL (LD50): Acute: >2000 mg/kg [Rat]. >1000 mg/kg [Guinea pig]. Section 3: Hazards Identification Potential Acute Health Effects: Hazardous in case of skin contact (irritant), of ingestion, of inhalation. Slightly hazardous in case of skin contact (permeator), of eye contact (irritant). Potential Chronic Health Effects: Slightly hazardous in case of skin contact (sensitizer), of ingestion, of inhalation (lung irritant). CARCINOGENIC EFFECTS: 3 (Not classifiable for human.) by IARC. MUTAGENIC EFFECTS: Mutagenic for bacteria and/or yeast. TERATOGENIC EFFECTS: Not available. DEVELOPMENTAL TOXICITY: Not available. The substance may be toxic to upper respiratory tract, skin, eyes. Repeated or prolonged exposure to the substance can produce target organs damage. Section 4: First Aid Measures A38