تترا اتیل آمونیوم هیدروکساید 822149 مرک

تترا اتیل آمونیوم هیدروکساید 822149 مرک Tetraethylammonium hydroxide 822149 merck (20% aqueous solution) for synthesis Description Catalogue Number 822149 Product Information HS Code 2923 90 00 Structure formula Image Physicochemical Information Boiling point 102C (1013hPa) Density 1.01g/cm3 (20C) Flash point >110C Melting Point <-25C pH value >13 (H₂O, 20C) Safety Information according to GHS Hazard Pictogram(s) Hazard Statement(s) H314: Causes severe skin burns and eye damage. Precautionary Statement(s) P280: Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician. Storage class 8B Non-combustible, corrosive hazardous materials WGK WGK 2 water endangering Disposal 13 Bases and alcoholates should be diluted if necessary by carefully stirring them into water and then neutralized (protective gloves, fume cupboard!) with hydrochloric acid (Cat. No. 100312). Before placing in container D, check the pH with pH universal indicator strips (Cat. No. 109535). Safety Information Hazard Symbols Corrosive Categories of danger corrosive R Phrase R 35 Causes severe burns. S Phrase S 26-36/37/39-45 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). Storage and Shipping Information Storage Store below +30C. Transport Information Declaration (railroad and road) ADR, RID UN 3267 , 8, II Declaration (transport by air) IATA-DGR UN 3267 , 8, II Declaration (transport by sea) IMDG-Code UN 3267 , 8, II, Segregation Group: 18 (Alkalis) Specifications Assay (acidimetric) 19.0 - 21.0% Density (d 20 C/ 4 C) 1.006 - 1.011