merck 1.00573.2500

Description GRADE VALUE ACS,ISO,Reag. Ph Eur DESCRİPTİON Catalogue Number 100573 Synonyms o-Phosphoric acid, Orthophosphoric acid PRODUCT INFORMATİON Grade ACS,ISO,Reag. Ph Eur HS Code 2809 20 00 PHYSİCOCHEMİCAL INFORMATİON Boiling point 158 °C (1013 mbar) Density 1.71 g/cm3 (20 °C) Melting Point 21 °C pH value < – 0.5 (100 g/l, H₂O, 20 °C) Vapor pressure 2 hPa (20 °C) Viscosity kinematic 30.5 mm2/s (20 °C) Solubility (20 °C) soluble SAFETY INFORMATİON ACCORDİNG TO GHS Hazard Pictogram(s) Hazard Statement(s) H314: Causes severe skin burns and eye damage. H290: May be corrosive to metals. Precautionary Statement(s) P280: Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P309: IF exposed or if you feel unwell: P310: Immediately call a POISON CENTER or doctor/ physician. 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 Storage class 8B Non-combustible, corrosive hazardous materials WGK WGK 1 slightly water endangering Disposal 12 Inorganic acids and anhydrides thereof should first be diluted or hydrolyzed by stirring carefully into ice water and then neutralized (protective gloves, fume cupboard!) with sodium hydroxide solution (Cat. No. 105587). Before filling into container D, check the pH with pH universal indicator strips (Cat. No. 109535). Fuming sulfuric acid should be carefully stirred dropwise into 40 % sulfuric acid (Cat. No. 109286). Ensure that plenty of ice is available for cooling! When sufficiently cool, treat the highly concentrated sulfuric acid as described above. Analogous to this procedure, other anhydrides can be converted into their corresponding acids. Acid gases (e.g. hydrogen halide, chlorine, phosgene, sulfur dioxide) can be introduced into dilute sodium hydroxide solution and after neutralization disposed of in container

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