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Science <br />Lah.corn <br />Chemicals & Laboratory Equipment <br />Product Name: Methyl tert-butyl ether <br />Catalog Codes: SLM2152 <br />CAS#: 1634-04-4 <br />RTECS: KN5250000 <br />TSCA: TSCA 8(b) inventory: Methyl tert-butyl ether <br />CI#: Not available. <br />Synonym: <br />Chemical Name: Methyl tert-Butyl Ether <br />Chemical Formula: C5 -H12-0 <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: ScienceLab.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 />Methyl {tert-}butyl ether 1634-04-4 100 <br />Toxicological Data on Ingredients: Methyl tert-butyl ether: ORAL (LD50): Acute: 4000 mg/kg [Rat]. 5960 mg/kg [Mouse]. <br />VAPOR (LC50): Acute: 23576 ppm 4 hour(s) [Rat]. <br />Section 3: Hazards Identification <br />Potential Acute Health Effects: <br />Extremely hazardous in case of eye contact (irritant), of ingestion. Very hazardous in case of skin contact (irritant), of <br />inhalation. Hazardous in case of skin contact (permeator). Inflammation of the eye is characterized by redness, watering, and <br />itching. Skin inflammation is characterized by itching, scaling, reddening, or, occasionally, blistering. <br />Potential Chronic Health Effects: <br />Extremely hazardous in case of eye contact (irritant), of ingestion. Very hazardous in case of skin contact (irritant), of <br />inhalation. Hazardous in case of skin contact (permeator). CARCINOGENIC EFFECTS: Not available. MUTAGENIC <br />EFFECTS: Not available. TERATOGENIC EFFECTS: Not available. DEVELOPMENTAL TOXICITY: Not available. The <br />substance is toxic to lungs, the nervous system, mucous membranes. Repeated or prolonged exposure to the substance can <br />produce target organs damage. Repeated or prolonged inhalation of vapors may lead to chronic respiratory irritation. <br />Section 4: First Aid Measures <br />