Powders

Powdered USP boric acid  (BOR062237)
Antiseptic and antifungal.

Citric acid (CIT11670)  
Acts as anti-limescale. Scales, cleans or dissolves white deposits and is an incredible antioxidant.

Baking soda or sodium bicarbonate (SOD63101)
Manufacturing of food products and fire suppressants.

Borax or hydrated sodium borate (BOR09372)
Exceptionally clean salt that facilitates the melting of different metals. It is often used as a disinfectant in the industry.  

Soda ash or sodium carbonate (CAL051395)
Sodium carbonate is a neutralizing agent. It is used in manufacturing soap, and it is a softener.

Calcium chloride (CAL1170321)
It is used as a sweeping compound and for de-icing.

Sodium hydroxide or pearled or liquid caustic soda (SOD14466)
Manufacturing of paper pulp and different chemicals: plastics, synthesis textiles, household or industrial cleaning products, soaps or for processing aluminum or water.

Sodium metabisulfite (SOD63512)
Preservative.  

Aluminum sulphate (ALU37186) (powder or liquid)
Used in water treatment and gardening.  

Copper sulphate (COP19812)
Fungicide and bactericide properties. Treatment of algae (swimming pool).  

Sodium tripolyphosphate (SOD66887)
Softening agent, food preservative.