8.22336.1000 THİOGLYCOLİC ACİD MERCK

Description Catalogue Number 822336 Synonyms Mercaptoacetic acid, 2-Mercaptoethanoic acid Description Thioglycolic acid Product Information CAS number 68-11-1 EC index number 607-090-00-6 EC number 200-677-4 Hill Formula C₂H₄O₂S Chemical formula HSCH₂COOH Molar Mass 92.12 g/mol HS Code 2930 90 98 Structure formula Image Structure formula Image Quality Level MQ200 Applications Application Thioglycolic acid for synthesis. CAS 68-11-1, EC Number 200-677-4, chemical formula HSCH₂COOH. Physicochemical Information Boiling point 220 °C (1013 hPa) (decomposition) Density 1.325 g/cm3 Flash point 130 °C Melting Point -16 °C pH value 1.5 (10 g/l, H₂O, 20 °C) Vapor pressure 0.5 hPa (25 °C) Toxicological Information LD 50 oral LD50 Rat 73 mg/kg Safety Information according to GHS Hazard Pictogram(s) Hazard Pictogram(s) Hazard Pictogram(s) Hazard Statement(s) H301 + H311 + H331: Toxic if swallowed, in contact with skin or if inhaled. H314: Causes severe skin burns and eye damage. H317: May cause an allergic skin reaction. Precautionary Statement(s) P261: Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray. P270: Do not eat, drink or smoke when using this product. P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P304 + P340 + P310: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Signal Word Danger RTECS AI5950000 Storage class 6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects WGK WGK 1 slightly hazardous to water Disposal 6 Sulfides and sulfites as well as other reducing substances, inorganic cyanides and isonitriles: Stir into sodium hypochlorite solution (Cat. No. 105614) and, if necessary, leave to react for several days. Caution: some substances may show a violent reaction! Draw off any toxic or flammable gases that may be formed. Excess oxidant should be neutralized with sodium thiosulfate (Cat. No. 106513). Container D or E. Safety Information Categories of danger toxic, corrosive Storage and Shipping Information Storage Store at +2°C to +8°C. Transport Information Declaration (railroad and road) ADR, RID UN 1940 , 8, II Declaration (transport by air) IATA-DGR UN 1940 , 8, II Declaration (transport by sea) IMDG-Code UN 1940 , 8, II, Segregation Group: 1 (Acids) Specifications Assay (iodometric) ≥ 95.0 % Density (d 20 °C/ 4 °C) 1.325 - 1.335 Identity (IR) passes test The assay stated on the certificate of analysis refers to the date of examination. A gradual substance-specific content reduction, especially at higher temperatures, must be expected. The average content reduction at the required storage temperature of +2°c to +8°C is about 1% per month.

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