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Science <br />Chemicals & Laboratory Equipment <br />Material Safety Data Sheet <br />Sodium hydroxide MSDS <br />Section 1: Chemical Product and Company Identification <br />Product Name: Sodium hydroxide <br />Catalog Codes: SLS3298, SLS1081, SLS2503, SLS3925, <br />SLS1705 <br />CAS #: 1310 -73 -2 <br />RTECS: WB4900000 <br />TSCA: TSCA 8(b) inventory: Sodium hydroxide <br />CI #: Not available. <br />Synonym: Caustic Soda <br />Chemical Name: Sodium Hydroxide <br />Chemical Formula: NaOH <br />Contact Information: <br />Sciencelab.com, Inc. <br />14025 Smith Rd. <br />Houston, Texas 77396 <br />US Sales: 1- 800 - 901 -7247 <br />International Sales: 1- 281 - 441 -4400 <br />Order Online: Sciencel-ab.com <br />CHEMTREC (24HR Emergency Telephone), call: <br />1- 800 -424 -9300 <br />International CHEMTREC, call: 1- 703 - 527 -3887 <br />For non - emergency assistance, call: 1- 281 - 441 -4400 <br />Section 2: Composition and Information on Ingredients <br />Composition: <br />Name CAS # % by Weight <br />Sodium hydroxide 1310 -73 -2 100 <br />Toxicological Data on Ingredients: Sodium hydroxide LD50: Not available. LC50: Not available. <br />Section 3: Hazards Identification <br />Potential Acute Health Effects: <br />Very hazardous in case of skin contact (corrosive, irritant, permeator), of eye contact (irritant, corrosive), of ingestion, <br />of inhalation. The amount of tissue damage depends on length of contact. Eye contact can result in corneal damage or <br />blindness. Skin contact can produce inflammation and blistering. Inhalation of dust will produce irritation to gastro- intestinal or <br />respiratory tract, characterized by burning, sneezing and coughing. Severe over - exposure can produce lung damage, choking, <br />unconsciousness or death. Inflammation of the eye is characterized by redness, watering, and itching. Skin inflammation is <br />characterized by itching, scaling, reddening, or, occasionally, blistering. <br />Potential Chronic Health Effects: <br />CARCINOGENIC EFFECTS: Not available. MUTAGENIC EFFECTS: Mutagenic for mammalian somatic cells. <br />TERATOGENIC EFFECTS: Not available. DEVELOPMENTAL TOXICITY: Not available. The substance may be toxic to <br />mucous membranes, upper respiratory tract, skin, eyes. Repeated or prolonged exposure to the substance can produce target <br />organs damage. Repeated exposure of the eyes to a low level of dust can produce eye irritation. Repeated skin exposure can <br />produce local skin destruction, or dermatitis. Repeated inhalation of dust can produce varying degree of respiratory irritation or <br />lung damage. <br />P. 1 <br />