Question

Risk assessment for: Synthesis of isoamyl acetate via Fischer esterification Student Name: Chemical Potential hazards How could you be exposed to this hazard? given the exposure, Level of risk what is negative (probability) 0–4 outcome? Suggested protective measure Isopentyl alcohol Glacial acetic acid conc. Sulfuric acid aq 5% sodium bicarbonate anhydrous sodium sulfate isopenyl acetate

Answer 1

Chemical name Potential hazards Negative outcome Level of risk 1) Inhalation ISOPENTYL ALCOHOL 2) Skin contact Suggested protective measures 1) Avoid eating, drinking in places where chemicals are handled or stored. 2) Do not take contaminated clothing home 3) Wash hands properly before intake of food or fluids. 4) Provision of eye wash fountains 5) Monitor airborne chemical concentrations 1) Inhalation can cause irritation in nose, lungs and throat 2) Eye contact can cause burning in eyes and possible damage 3) Skin contact can cause burning, prolonged exposure can cause drying and cracking of skin 4) Prolonged exposure can cause vomiting, nausea and diarrhoea. 3) Eye contact GLACIAL ACETIC ACID 1) Eye contact 2) Skin contact 3) Inhalation 4) Ingestion 1) Can cause severe skin burns 2) Eye damage 3) Ingestion can cause damage to internal organs 4) It is toxic when inhaled 1) Use of gloves, goggles and apron 2) Keep acid away from heat and flame 3) Eye wash and disinfectant soap must be kept ready CONC SUFURIC ACID 1) Inhalation 2) Ingestion 3) Eye contact 4) Skin contact 1) Ingestion can cause serious damage to gastrointestinal tract 2) Can cause holes in stomach 3) Corrode if skin comes in contact 4) Severe eye damage causing blindness 1) Use of complete protective gear 2) Rubber gloves and goggles must be used while handling acid 3) Use of apron and face shield 4) Immediate medical attention to affected person Contact with damaged skin Irritation to damaged skin 0.5 Use of gloves AQUEOUS 5% SODIUM BICARBONATE ANHYDROUS SODIUM SULFATE 1) Inhalation 1) Use mask and gloves 2) Clean up spills immediately 2) Ingestion 1) Eye irritation, redness and pain 2) Ingesting can cause vomiting, naseua and diarrhea 3) Inhalation may cause respiratory tract irritation 3) Eye contact ISOPENTYL ACETATE Eye contact Skin contact Inhalation 1) Wearing gloves and goggles 2) 1) Eye irritation 2) Inhalation can cause nose and lungs irritation 3) Skin burning 3) 2) Eye wash should be kept ready