Page 33 - Feed Lab
P. 33
Reagents and Chemicals Suguna Management System Ver 1.0 / SOP / FQL / P1 - 04 Page 5 of 6
floor level and in labelled cabinets. FAcetic acid - Dangerous when in contact with
chromic acid, sodium peroxide or nitric acid;
FIsolate perchloric acid from organic materials and should be stored away from oxidizing materials.
from sulphuric acid. Do not store perchloric acid on
a wooden shelf. FAcetone - A volatile liquid gives off vapours which
form flammable and explosive mixtures with air; do
FSegregate highly toxic chemicals and carcinogens not mix with chloroform.
from all other chemicals.
FAmmonia (anhydrous) - Irritant, extremely caustic
FDo not store peroxide forming chemicals (e.g. ethyl liquid and gas and reacts violently with strong
ether, dioxin) for more than twelve months or oxidizing agents. Isolate from other chemicals,
beyond the date recommended by the particularly chlorine and strong acids.
manufacturer.
FFormaldehyde - Exposure to high concentrations
FRefrigerate flammables in an explosion/spark-proof
may cause skin irritation and inflammation of
refrigerator.
mucous membranes, eyes, and respiratory tract.
FGlass chemical containers should never be stored FFormic acid - Corrosive and has caustic effects on
on the floor
the skin. Flammable, may form explosive mixtures
FEnsure a containment tray is under the bottles in with air.
case of spillage.
FHydrochloric acid - Aqueous solution is corrosive
FReturn chemicals, supplies, and associated and irritating. Fumes are corrosive and irritating to
equipment to their proper place after use. mucous membranes. Hydrogen is evolved upon
contact with metals. Keep away from oxidizing
FIf a container is to be used for waste, remove, cover
agents.
or deface the original label. Then label it clearly with
a marker or label so that its contents will be obvious. FHydrogen peroxide - Prolonged exposure to
When chemical bottle is empty also remove or vapour irritating to eyes and lungs. Causes skin
deface the label. irritation. May decompose violently if contaminated
with copper, iron, or chromium; store in cool place
FElectrically ground all metal solvent containers prior away from combustible materials.
to transfer of any solvent.
FNitric acid - Corrosive and causes severe burns on
FLiquid chemical bottles should be secured when
contact with skin. Reacts vigorously with aniline,
transporting between laboratories.
hydrogen sulphide, flammable solvents, and
FNever pour toxic or water insoluble flammable hydrazine and metal powders.
solvents down the sink.
FOxalic acid - Forms explosive compound with
FWhen mixing solutions, ALWAYS add the silver and mercury. Oxalates are toxic. Avoid skin
concentrated liquid to the dilute liquid. contact.
FAlways add acid to water. Organics should not be FPotassium cyanide - Highly poisonous when
evaporated in the hood. Use a waste container to ingested. Evolves hydrocyanic acid gas on contact
dispose of them. Organic waste containers must with acids or moisture.
be capped when not in use.
FPotassium hydroxide - Generates heat on
contact with water; store in dry place.
Common laboratory Hazardous chemicals
Material safety data sheets (MSDS) should be easily FSodium hydroxide - In the same class as
retrievable for all chemicals/substances stored in the potassium hydroxide: Isolate from heat and water.
laboratory. When in contact with water liberates excess heat
Prepared by : Approved by :
23 Director - Technical