RISK ASSESSMENT.
Experiment 1: Silver(II) Pyridine Complexes.
Report to a demonstrator as soon as possible, any chemical which is ingested, or which is in contact with the eyes. In the latter case, wash
immediately with a copious flow of water from the tap provided with a rubber hose for that purpose.
Compound.
Hazard.
Handling.
Spillage.
Disposal.
Potassium
Peroxodisulphate
Oxidiser, irritant
Avoid skin contact
Wash off with
plenty of water.
Wash down sink
with excess water
Silver nitrate
Corrosive
Wear gloves,
use fume cupboard.
Wash off with
plenty of water.
Wash down sink
with excess water
Pyridine
Toxic, flammable
Wear gloves,
use fume cupboard,
avoid naked flames.
Wash off with
plenty of water
Consumed in
experiment
Potassium hydroxide
Corrosive
Wear gloves,
avoid water.
Sweep up
Small amounts, flush
down sink with excess
water. Large amounts,
hand to demonstrator.
5% m/v sodium
hydroxide
Corrosive
Wear gloves
Wash off with
plenty of water
Pour down sink
with excess water
Silver(II) oxide
Oxidiser, irritant
Avoid skin contact
Wash off with
plenty of water
Wash down sink
with excess water
RISK ASSESSMENT.
Experiment 1: Silver(II) Pyridine Complexes (Continued).
Compound.
Hazard.
Handling.
Spillage.
Disposal.
Silver oxalate
Toxic
Wear gloves
Wash off with
plenty of water
Wash down sink
with excess water
[Ag(py)4]S2O8
Toxic, oxidiser
Wear gloves
Wash off with
plenty of water
Wash down sink
with excess water
0.1M Iron(II)
ammonium sulphate
Irritant
Avoid skin contact
Wash off with
plenty of water
Pour down sink
with excess water
Dilute sulphuric acid
Corrosive
Wear gloves
Wash off with
plenty of water
Pour down sink
with excess water
0.05M oxalic acid
Toxic
Wear gloves
Wash off with
plenty of water
Pour down sink
with excess water
0.02M potassium
permanganate
Oxidiser, irritant
Avoid skin contact
Wash off with
plenty of water
Pour down sink
with excess water
0.1M ammonium
thiocyanate
Irritant
Avoid skin contact
Wash off with
plenty of water
Pour down sink
with excess water
Ferric alum
Irritant
Avoid skin contact
Wash off with
plenty of water
Wash down sink
with excess water
RISK ASSESSMENT.
Experiment 2: Inorganic Reactions of Sodium Borohydride.
Report to a demonstrator as soon as possible, any chemical which is ingested, or which is in contact with the eyes. In the latter case, wash
immediately with a copious flow of water from the tap provided with a rubber hose for that purpose.
Compound.
Hazard.
Handling.
Spillage.
Disposal.
Ether
Flammable, toxic
Avoid naked flames
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
Petroleum ether (40-60°)
Flammable, toxic
Avoid naked flames
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
Dichloromethane
Harmful by inhalation
Wear gloves, avoid
inhalation of vapour
Wash off with
plenty of water
To chlorinated
waste solvent bottle
Copper(I) chloride
Harmful
Avoid skin contact
Wash off with
plenty of water
Wash down sink
with excess water
Triphenylphosphine
Harmful, irritant
Avoid skin contact
Wash off with
plenty of water
Hand to demonstrator
Sodium borohydride
Toxic, corrosive
Avoid skin contact
Wash off with
plenty of water
Hand to demonstrator
Magnesium sulphate
None
Avoid skin contact
Wash off with
plenty of water
Hand to demonstrator
RISK ASSESSMENT.
Experiment 2: Inorganic Reactions of Sodium Borohydride (Continued).
Compound.
Hazard.
Handling.
Spillage.
Disposal.
Chloroform
Harmful
Avoid skin contact
Mop up and allow to
evaporate in fume
cupboard
To chlorinated
waste solvent bottle
Toluene
Harmful, flammable
Avoid naked flames.
Do not inhale vapour
Mop up and allow to
evaporate in fume hood
To non-chlorinated
waste solvent bottle
Ethanol
Flammable, toxic
Avoid naked flames
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
RISK ASSESSMENT.
Experiment 3: Nickel Triphenylphosphine Complexes.
Report to a demonstrator as soon as possible, any chemical which is ingested, or which is in contact with the eyes. In the latter case, wash
immediately with a copious flow of water from the tap provided with a rubber hose for that purpose.
Compound.
Hazard.
Handling.
Spillage.
Disposal.
Nickel salts
Irritant
Wear gloves
Wash off with
plenty of water
Wash down sink
with excess water
Triphenylphosphine
Harmful, irritant
Avoid skin contact
Wash off with
plenty of water
Hand to demonstrator
Ethanol
Flammable, toxic
Avoid naked flames
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
Ether
Flammable, toxic
Avoid naked flames
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
Isopropanol
Flammable, toxic
Avoid naked flames
and skin contact
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
Sodium thiocyanate
Irritant
Avoid skin contact
Wash off with
plenty of water
Pour down sink
with excess water
Nitromethane
Toxic
Avoid skin contact
and inhalation
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
RISK ASSESSMENT.
Experiment 4: A Representative Cyclophosphazene.
Report to a demonstrator as soon as possible, any chemical which is ingested, or which is in contact with the eyes. In the latter case, wash
immediately with a copious flow of water from the tap provided with a rubber hose for that purpose.
Compound.
Hazard.
Handling.
Spillage.
Disposal.
4-nitrophenol
Toxic
Avoid skin contact
Wash of with
plenty of water
Hand to demonstrator
Ethanol
Flammable, toxic
Avoid naked flames
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
Potassium hydroxide
Toxic, corrosive
Wear gloves,
avoid water.
Sweep up
Small amounts, flush
down sink with excess
water. Large amounts,
consult demonstrator.
Tetra n-butylammonium
bromide
Toxic
Avoid skin contact
Wash off with
plenty of water
Wash down sink with
excess water
Dimethylformamide
Toxic, irritant
Avoid skin contact
Wash of with
plenty of water
To non-chlorinated
waste solvent bottle
1-butanol
Flammable, toxic
Avoid naked flames
and skin contact
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
Hexachlorotriphosphazene
Very toxic, corrosive
Wear gloves
Wash off with
plenty of water
Hand to demonstrator
RISK ASSESSMENT.
Experiment 5: Preparation and Characterisation of Organotin compounds.
Report to a demonstrator as soon as possible, any chemical which is ingested, or which is in contact with the eyes. In the latter case, wash
immediately with a copious flow of water from the tap provided with a rubber hose for that purpose.
Compound.
Hazard.
Handling.
Spillage.
Disposal.
Tin Powder
None.
No Special
Precautions
Sweep up.
To waste bins
provided
Benzyl bromide
Toxic
Wear gloves
Wash off with
plenty of water
To chlorinated
waste solvent bottle
Glacial Acetic Acid
Corrosive
Wear gloves
Wash off with
Plenty of water
Pour down sink
with plenty of water
Ethyl acetate
Flammable, toxic
Avoid naked flames
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
Petroleum ether (40-60°)
Flammable, toxic
Avoid naked flames
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
Toluene
Harmful, flammable
Avoid naked flames,
do not inhale vapour
Mop up and allow to
evaporate in fume hood
To non-chlorinated
waste solvent bottle
RISK ASSESSMENT.
Experiment 6: Preparation and Spectra of Chromium(III) Complexes.
Report to a demonstrator as soon as possible, any chemical which is ingested, or which is in contact with the eyes. In the latter case, wash
immediately with a copious flow of water from the tap provided with a rubber hose for that purpose.
Compound.
Hazard.
Handling.
Spillage.
Disposal.
1,2 diaminoethane
Flammable, corrosive
Can cause dermatitis
Avoid naked flames
Wear gloves
Wash off with
plenty of water
Pour only very small
amounts down sink with
excess water.
[Cr(OH2)6]Cl3
Toxic
Wear gloves, avoid
inhalation of particles
Wash off with
plenty of water
Wash down sink with
excess water
Potassium oxalate/
Oxalic acid dihydrate
Toxic, corrosive
Wear gloves
Sweep up
Wash down sink
with excess water
Potassium dichromate
Toxic, potential
carcinogen
Wear gloves, avoid
inhalation of particles
Wash off with
plenty of water
Wash down sink with
excess water
Zinc
None
none
Sweep up
To waste bin provided
Ethanol
Flammable, toxic
Avoid naked flames
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
Methanol
Flammable, toxic
Avoid naked flames
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
Urea
Harmful, irritant
Avoid skin contact
Wash off with
plenty of water
Hand to demonstrator
Acetylacetone
Harmful
Use in fume cupboard
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
RISK ASSESSMENT.
Experiment 7: Isomerism and Coordination Geometries.
Report to a demonstrator as soon as possible, any chemical which is ingested, or which is in contact with the eyes. In the latter case, wash
immediately with a copious flow of water from the tap provided with a rubber hose for that purpose.
Compound.
Hazard.
Handling.
Spillage.
Disposal.
Cobalt chloride
Irritant
Wear gloves
Wash off with
plenty of water
Wash down sink
with excess water
Ethanol
Flammable, toxic
Avoid naked flames
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
Ether
Flammable, toxic
Avoid naked flames
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
1,2-diaminoethane
Flammable, corrosive.
Can cause dermatitis
Avoid naked flames,
wear gloves
Wash off with
plenty of water
Pour down sink
with excess water
Nickel chloride
hexahydrate
Irritant
Wear gloves
Wash off with
plenty of water
Wash down sink
with excess water
Nickel(II) dimethylglyoxime
Harmful
Avoid skin contact
Wash off with
plenty of water
Wash down sink
with excess water
Bis-tetraethylammonium
tetrachloronickel(II)
Harmful
Avoid skin contact
Wash off with
plenty of water
Wash down sink
with excess water
Care should be taken in handling the 1,2-diaminoethane solution as it can induce dermatitis.
RISK ASSESSMENT.
Experiment 7: Isomerism and Coordination Geometries (Continued).
Compound.
Hazard.
Handling.
Spillage.
Disposal.
Chloroform
Harmful
Avoid skin contact
Mop up and allow to
evaporate in fume
cupboard
To chlorinated
waste solvent bottle
Nitromethane
Toxic
Avoid skin contact
and inhalation
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
Conc. hydrochloric acid
Corrosive
Wear gloves
Neutralise with sodium
carbonate and wash with
water
Neutralise and wash
down sink with plenty
of water
RISK ASSESSMENT.
Experiment 8: Electrochemical Methods in Inorganic Chemistry
Report to a demonstrator as soon as possible, any chemical which is ingested, or which is in contact with the eyes. In the latter case, wash
immediately with a copious flow of water from the tap provided with a rubber hose for that purpose.
Compound.
Hazard.
Handling.
Spillage.
Disposal.
Conc. ammonia solution
Corrosive, irritant
Wear gloves, use in
fume cupboard
Wash off with
plenty of water
Wash down sink
with excess water
Potassium ferricyanide
None
No special precautions
Wash off with
plenty of water
Wash down sink
with excess water
50% Nitric acid
solution
Corrosive
Wear gloves
Wash off with
plenty of water
Wash down sink
with excess water
Dilute sodium hydroxide
solution
Corrosive, toxic
No special precautions
at this concentration
Wash off with
plenty of water
Wash down sink
with excess water
Dilute sulphuric acid
solution
Corrosive
No special precautions
at this concentration
Wash off with
plenty of water
Wash down sink
with excess water
Conc. sulphuric acid
Corrosive
Wear gloves
Neutralise with sodium
carbonate and wash with
water
Neutralise and wash
down sink with plenty
of water
Ethanol
Flammable, toxic
Avoid naked flames
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
Ether
Flammable, toxic
Avoid naked flames
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
RISK ASSESSMENT.
Experiment 8: Electrochemical Methods in Inorganic Chemistry (Continued).
Compound.
Hazard.
Handling.
Spillage.
Disposal.
Ammonium vanadate
Toxic
Wear gloves
Wash off with
plenty of water
Wash down sink
with excess water
Copper sulphate
Toxic
Wear gloves
Wash off with
plenty of water
Wash down sink
with excess water
Manganese sulphate
Toxic
Wear gloves
Wash off with
plenty of water
Wash down sink
with excess water
Potassium bromide
Toxic
Wear gloves
Wash off with
plenty of water
Wash down sink
with excess water
Potassium iodide
Toxic
Wear gloves
Wash off with
plenty of water
Wash down sink
with excess water
Potassium sulphate
Toxic
Wear gloves
Wash off with
plenty of water
Wash down sink
with excess water
Silver nitrate
Corrosive
Wear gloves,
use fume cupboard.
Wash off with
plenty of water.
Pour down sink
with excess water
Sodium molybdate
Irritant
Wear gloves
Wash off with
plenty of water
Wash down sink
with excess water
RISK ASSESSMENT.
Experiment 9: Preparation of -Arene Ruthenium Complexes
Report to a demonstrator as soon as possible, any chemical which is ingested, or which is in contact with the eyes. In the latter case, wash
immediately with a copious flow of water from the tap provided with a rubber hose for that purpose.
Compound.
Hazard.
Handling.
Spillage.
Disposal.
Ruthenium trichloride
Toxic
Avoid skin contact
Wash off with
Plenty of water
To ruthenium
residues bottle
Ethanol
Flammable, toxic
Avoid naked flames
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
-terpinene
Flammable, irritant
Harmful
Avoid naked flames
Mop up and allow to
evaporate in fume
Cupboard
To non-chlorinated
waste solvent bottle
Methanol
Flammable, toxic
Avoid naked flames
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
Diethyl Ether
Flammable, toxic
Avoid naked flames
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
Chloroform
Harmful
Avoid skin contact
Mop up and allow to
evaporate in fume
cupboard
To chlorinated
waste solvent bottle
Triphenylphosphine
Harmful, irritant
Avoid skin contact
Wash off with
plenty of water
Hand to demonstrator
RISK ASSESSMENT.
Experiment 10: Preparation of a Macrocyclic Ligand and its Complexes
Report to a demonstrator as soon as possible, any chemical which is ingested, or which is in contact with the eyes. In the latter case, wash
immediately with a copious flow of water from the tap provided with a rubber hose for that purpose.
Compound.
Hazard.
Handling.
Spillage.
Disposal.
1,2 diaminoethane
Flammable, corrosive
Can cause dermatitis
Avoid naked flames
Wear gloves
Wash off with
plenty of water
Pour only very small
amounts down sink with
excess water.
Methanol
Flammable, toxic
Avoid naked flames
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
Conc. Hydrobromic Acid
Corrosive
Wear gloves
Wash off with
Plenty of water
Wash down sink
with excess water
Diethyl Ether
Flammable, toxic
Avoid naked flames
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
Acetone
Flammable
Avoid naked flames
Wash off with
Plenty of water
To non-chlorinated
waste solvent bottle
Cobalt(II) Nitrate
Hexahydrate
Irritant
Wear gloves
Wash off with
plenty of water
Wash down sink
with excess water
30% Hydrogen Peroxide
Causes Burns
Wear gloves
Wash off with
Plenty of water
Wash down sink
with excess water
Care should be taken in handling the 1,2-diaminoethane solution as it can induce dermatitis.
RISK ASSESSMENT.
Experiment 10: Preparation of a Macrocyclic Ligand and its Complexes (Continued).
Compound.
Hazard.
Handling.
Spillage.
Disposal.
Sodium Hydrogen
Carbonate
Harmless
No precautions
necessary
Wash off with
plenty of water
Wash down sink
with excess water
Ethanol
Flammable, toxic
Avoid naked flames
Wash off with
plenty of water
To non-chlorinated
waste solvent bottle
Saturated Ammonium
Hexafluorophosphate
Irritant
Avoid contact with skin
Wash off with
plenty of water
Wash down sink
with excess water