Caustic Soda Lye

Caustic Soda Lye Specification

Flash Point
Non-flammable

Molecular Formula
NaOH

Packaging Type
HDPE drums, Tankers

Purity
47% to 50%

Storage Instructions
Store in tightly sealed containers in a cool, dry, and well-ventilated area

Shelf Life
12 months

Density
1.52 Gram per cubic centimeter(g/cm3)

Usage
Industrial chemical processing

Ph Level
>13

CAS No
1310-73-2

Molecular Weight
40.00 g/mol

Melting Point
12 C (approx.)

Size
As per requirement

Physical State
Liquid

Boiling point
145 C (approx.)

Grade
Industrial Grade

Type
Alkali

Application
Soap and detergent manufacturing, paper and pulp industry, water treatment, textile processing

Appearance
Clear, colorless liquid

Purity(%)
47-50%

Color
Colorless

pH (1% solution)
~14

Solubility
Completely soluble in water

Viscosity
Approximately 6 centipoise at 20 C

Freezing Point
12-14 C

Hazard Class
8 (Corrosive)

UN Number
1824

Reactivity
Reacts with acids and metals

Transport Information
Handle with corrosion-resistant materials

Odor
Odorless

About Caustic Soda Lye

CAS No	1310-73-2
Packaging Size	200 Litre
Form	Liquid
Packing Type	Barrel
Formula	NaOH
Molar mass	39.997 g/mol
Density	2.13 g/cm3
Boiling Point	1,388 deg C (2,530 deg F; 1,661 K)
IUPAC ID	Sodium oxidanide, Sodium hydroxide
Soluble in	Water, Ethanol, Methanol
Melting Point	323 deg C (613 deg F; 596 K)

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Versatile Industry Applications

Caustic Soda Lye serves as a crucial reagent in various sectors, from soap and detergent manufacturing to the pulp and paper, textile, and water treatment industries. Its highly alkaline nature enables efficient cleaning, de-greasing, and the breakdown of organic materials, making it a vital choice for large-scale industrial operations.

Safe Handling & Storage Guidance

Due to its corrosive properties and reactivity, handling Caustic Soda Lye requires corrosion-resistant equipment and protective gear. It should be stored in tightly sealed containers, away from acids and metals, in a cool, dry, and well-ventilated space. Adhering to these practices preserves quality and extends shelf life.

FAQ's of Caustic Soda Lye:

Q: How should Caustic Soda Lye be stored safely?

A: Caustic Soda Lye should be stored in tightly sealed containers made of corrosion-resistant materials, such as HDPE drums or specialized tankers. The storage area must be cool, dry, and well-ventilated to prevent moisture ingress and ensure safety.

Q: What are the main industrial uses of Caustic Soda Lye?

A: Caustic Soda Lye is primarily used in soap and detergent manufacturing, the paper and pulp industry, water treatment facilities, and textile processing. Its strong alkaline nature allows for effective cleaning, process efficiency, and pH adjustment in these sectors.

Q: When should personal protective equipment (PPE) be used with Caustic Soda Lye?

A: Personal protective equipment like gloves, goggles, and chemical-resistant clothing should be used whenever handling Caustic Soda Lye to protect against its corrosive properties. This is essential during transfer, mixing, or any process involving direct or indirect contact with the liquid.

Q: Where is Caustic Soda Lye typically applied during the water treatment process?

A: In water treatment, Caustic Soda Lye is added to adjust pH levels, enhance coagulation, and neutralize acidic components. Its application varies based on facility requirements but is usually introduced at designated dosing points within the treatment system.

Q: What precautions are necessary when transporting Caustic Soda Lye?

A: During transport, Caustic Soda Lye must be contained in corrosion-resistant HDPE drums or tanker vehicles. All handling must comply with hazardous material regulations, particularly due to its classification as a corrosive substance (Hazard Class 8, UN Number 1824).

Q: How does Caustic Soda Lye benefit industrial chemical processes?

A: Caustic Soda Lye provides high alkalinity, facilitating chemical reactions such as saponification in soap making, fiber processing in textiles, and efficient removal of impurities in pulp and water treatment, thereby enhancing product quality and process effectiveness.

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