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Exposure Guidelines: <br /> Ingredient OSHA PEL ACGIH TLV <br /> Water Not established Not established <br /> III Ammonium Thiosulfate Not established Not established <br /> Sodium Sulfite Not established Not established <br /> Sodium Acetate Not established Not established <br /> Acetic Acid 10 ppm 10 ppm <br /> Sodium Thiosulfate Not established Not established <br /> Aluminum Sulfate Not established Not established <br /> Sodium Borate 10 mg/m3 5 mg/m3 <br /> TWA =time weighted average STEL = short term limit (c) = ceiling <br /> I SECTION 9. PHYSICAL AND CHEMICAL PROPERTIES <br /> 1 <br /> Appearance: <br /> Slightly yellow liquid Odor: Vinegar <br /> Boiling Point: approx. 100°C Odor Threshold: No data-- — <br /> Specific Gravity: 1.28 Reactivity with Water: None <br /> Vapor Pressure: approx. 15 mm Hg Melting Point: No data <br /> Evaporation Rate: 1 (water=1) Freezing Point: No data <br /> Percent Volatile: approx. 45 Percent VOC: approx. 11 <br /> Solubility in Water: Completely Vapor Density: No data <br /> IIIpH: 4.9 <br /> Water-Oil Partition Coefficient: No data <br /> !SECTION 10. STABILITY AND REACTIVITY I <br /> Hazardous polymerization will not occur if product is used and stored as directed. <br /> Product is stable if used and stored as directed. <br /> Hazardous Decomposition Products: Ammonia. Sulfur dioxide. <br /> Materials to avoid: Strong bases. Hypohalites. Bleach. Oxidizers. <br /> Conditions to avoid: Excessive heat. <br /> !SECTION 11. TOXICOLOGICAL INFORMATION l <br /> LD50: > 5000 mg/kg oral, rat <br /> Acute Overexposure: Irritating by contact with skin and eyes. May cause blackening of the skin <br /> and hyperkeratosis. Irritating to gastrointestinal tract. May cause vomiting <br /> and diarrhea. Irritating to respiratory tract. May cause allergic type respiratory <br /> reactions. <br /> Chronic Overexposure: Chronic dermatitis. May cause central nervous system depression. May <br /> cause hypertrophy of lymph nodes. May cause circulatory disturbances that <br /> can lead to ischemic lesions on the heart and liver. <br /> S <br /> Page3 of 4 <br /> 55411002 <br />