How long can you store sodium hydroxide?

NaOH is stable long term. Storing above 70°F is recommended for concentrated caustic to prevent freezing and promote fluidity. Tank capacities range from 35 to 100,000 gallons….Storage Tank Components.

SODIUM HYDROXIDE MATERIAL RESISTANCE CHART
MATERIAL	NAOH 20\%	NAOH 50\%
BRASS	GOOD / MINOR	NOT RECOMMENDED / SEVERE

How do you know if sodium hydroxide is bad?

Symptoms of eating or drinking sodium hydroxide may include bleeding, throwing up or diarrhea. A drop in blood pressure may also occur. Damage may appear days after exposure. Contact with skin can cause irritation or severe burns.

How do you find the expiry date of a chemical?

Look at the label of COA. It should say the date of expiration. That is it. Someone might use expired chemicals only for teaching purposes but again a knowledgeable person should confirm the activity.

Do chemicals have an expiry date?

Raw material chemicals and pure chemicals for lab use often do not require expiration dates. Shelf life is defined as the period of time a product is consid- ered usable for each application, taking into account physical and/ or chemical changes.

What is the shelf life of caustic soda?

one year
It should be stored in closed tanks made of alkali-resistant materials. The guaranteed shelf life for this product is one year from the date of production. Caustic soda is regulated by GOST R 55064-2012.

What is sodium hydroxide stored in?

Storage/Stability Sodium hydroxide stock solutions should be stored in plastic containers. Glass containers should be completely avoided in the preparation and storage of sodium hydroxide solutions.

Why is sodium hydroxide harmful?

Contact with very high concentrations of sodium hydroxide can cause severe burns to the eyes, skin, digestive system or lungs, resulting in permanent damage or death. Prolonged or repeated skin contact may cause dermatitis. Repeated inhalation of sodium hydroxide vapor can lead to permanent lung damage.

Does sodium carbonate go bad?

We have lab tested our individually wrapped tablets for potency over time. At 36 months, InTheSwim tablets still have 98\% of their original available chlorine, when stored in constant 50-70° F temps with a tightly closed bucket lid. In the right conditions, trichlor tablets can remain viable for over 5 years.

Does sodium carbonate expire?

Sodium Carbonate stored in a cool dry environment should remain chemically stable indefinitely, however after a period of 12 months the product may become lumpy even when stored under these conditions.

Does sodium hydroxide get old?

The shelf life of sodium hydroxide pellets is up to 3 years from the manufacturing date; however it’s best used within 1 year. Sodium hydroxide is an alkaline compound that’s highly reactive to water.

How do you store sodium hydroxide at home?

Sodium hydroxide stock solutions should be stored in plastic containers. Glass containers should be completely avoided in the preparation and storage of sodium hydroxide solutions.