WARNING oil of wintergreen (98% methyl 2-hydroxybenzoate) Causes skin irritation, serious eye oil of wintergreen irritation and may cause respiratory ca 2.5 g irritation. DANGER 2.0 mol dm3 aqueous 2.0 mol dm-3 Causes severe skin and eye sodium hydroxide, NaOH(aq) NaOH(aq) damage ca. 25 cm3 Wear goggles 2.00 mol dm–3 aqueous 2.00 mol dm-3 Currently not classified as hazardous at this hydrochloric acid, HCl(aq) HCl(aq) concentration ca. 5 cm3 PAG 6.2 Preparation of benzoic acid – Identity / amount required Label Hazard information per learner or methyl benzoate, WARNING C6H5COOCH3(l) methyl benzoate Harmful if swallowed. May cause skin c. 2 cm3 irritation and serious eye irritation. DANGER 2.0 mol dm3 aqueous 2.0 mol dm–3 Causes severe skin burns and eye sodium hydroxide, NaOH(aq) NaOH(aq) damage c. 10 cm3 Wear splash-proof goggles
oil of wintergreen oil of wintergreen (98% methyl 2-hydroxybenzoate) ca 2.5 g WARNING Causes skin irritation, serious eye irritation and may cause respiratory irritation. 2.0 mol dm-3 NaOH(aq) 2.0 mol dm3 aqueous sodium hydroxide, NaOH(aq) ca. 25 cm3 DANGER Causes severe skin and eye damage Wear goggles 2.00 mol dm-3 HCl(aq) 2.00 mol dm–3 aqueous hydrochloric acid, HCl(aq) ca. 5 cm3 Currently not classified as hazardous at this concentration PAG 6.2 – Preparation of benzoic acid Label Identity / amount required per learner or Hazard information methyl benzoate methyl benzoate, C6H5COOCH3(l) c. 2 cm3 WARNING Harmful if swallowed. May cause skin irritation and serious eye irritation. 2.0 mol dm–3 NaOH(aq) 2.0 mol dm3 aqueous sodium hydroxide, NaOH(aq) c. 10 cm3 DANGER Causes severe skin burns and eye damage Wear splash-proof goggles
Required%20chemicals%20for%20OCR%20Chemistry%20PAG%20Activities%20v1.0.docx