About Sodium Hydroxide
- Synonyms: Sodium Hydroxide
- INCI Name: Sodium hydroxide
- CAS: 1310-73-2
- Einecs: 215-185-5
- Viscosity: Solid
- Solublity: Soluble in water
- Storage: Cool, dark dry area, air tight container preferred
- Appearance: Fine white granules
- Odor: Medium characterisitic odor
- Natural: Synthetic
- Packaging: 500 lb is 10 x 50 lb bags, 2000 lb is 40 x 50 lb bags
- Shelf life: Suggested retest date 1 year from purchase
Usage / Benefits
- Industries: Chemical manufacturing, pulp and paper, textiles, soap and detergent production, petroleum refining, water treatment, food processing, pharmaceuticals, glass manufacturing, aluminum processing, metallurgy, energy production, cosmetics and personal care products, wastewater treatment, construction.
- Applications: pH regulation, soap and detergent manufacturing, pulp and paper processing, water treatment, petroleum refining, textile processing, food preparation (such as curing olives), chemical synthesis (such as producing biodiesel), glass production, metal extraction and processing, drain cleaning, paint stripping, aluminum production, wastewater neutralization, epoxy resin hardening, pharmaceutical ingredient manufacturing.
- Benefits: Effective cleaning and degreasing, efficient pH adjustment, vital in biodiesel production, essential in soap and detergent manufacturing, key in water treatment processes, crucial in petroleum refining, facilitates textile processing, aids in food preparation and curing, enables chemical synthesis, assists in glass production, essential in metal processing, effective in drain cleaning, utilized in paint stripping, plays a key role in aluminum production, necessary for wastewater neutralization, integral in pharmaceutical manufacturing.
- Products Uses: Soap and detergent manufacturing, pulp and paper bleaching, water softening and treatment, petroleum refining, biodiesel production, textile processing, food curing and preparation, chemical synthesis and production, glass manufacturing, metal extraction and processing, drain and oven cleaning, paint stripping, aluminum hydroxide production, wastewater neutralization, epoxy resin hardening, pharmaceutical ingredient preparation.
- Safety: Generally safe, however keep out of eyes and do not eat.
- Cautions: Not for ingestion, keep away from pets and children who may attempt to eat.
- External Use Only: Even if food grade, we do not provide items for ingestion, all of our items are for external use only.
Dangerous, corrosive and Hazardous material. For professional use only. This is a special order item and can take a few days to ship.
Discontinued - 20 Lb size is 10 x 2 Lb Jars.
Discontinued - 50 Lb size is 1 x 50 Lb Pail. Ships as hazmat. Will require signature for delivery. Pricing includes Hazmat Fee
500 Lb size is 10 x 50 Lb Bags (commercial delivery only)
2000 Lb Size is 40 x 50 Lb Bags (commercial delivery only)
Sodium Hydroxide, commonly known as lye or caustic soda, is an inorganic compound with the formula NaOH. It is a white, odorless, and highly caustic metallic base and alkali salt. In the realms of personal care, cosmetics, and particularly soap making, sodium hydroxide has found indispensable applications due to its unique chemical properties.
Human civilizations have used sodium hydroxide for centuries, primarily in soap making. Ancient societies obtained it from the ashes of burned wood or seaweed, which they then combined with fats to produce soap – a process that's conceptually similar to how many traditional soaps are made today.
Central Role in Soap Making
At its core, soap making is a process of saponification, where fats or oils react with an alkali - in most cases, sodium hydroxide. When sodium hydroxide reacts with triglycerides in the oils, it breaks them down into their constituent fatty acids. These acids then combine with sodium ions to form soap. This process transforms oils, which do not mix with water, into soap, which has the unique property of being attracted to both oil and water. This allows soap to lift away grease and dirt from the skin effectively.
Advancements in Personal Care Products
Sodium hydroxide has seen applications beyond traditional soap bars. In personal care products, it's commonly used to adjust pH levels. Maintaining the right pH is essential for the product's efficacy, stability, and skin compatibility. Given that many ingredients can be acidic, sodium hydroxide serves as a counterbalance, ensuring the finished product is neither too acidic nor too alkaline.
Role in Hair Care
In the realm of hair care, sodium hydroxide has a specialized application in hair relaxers. These products, designed to straighten curly or coiled hair, work by breaking down the hair's protein structure. Sodium hydroxide facilitates this process, allowing the hair to be reshaped. However, due to its caustic nature, it's crucial that these products are used carefully to prevent scalp burns or hair damage.
Applications in Cosmetic Formulations
Modern cosmetic formulations often comprise a myriad of ingredients, each serving a unique purpose. Sodium hydroxide, in this context, is primarily used as a pH adjuster. A well-balanced pH ensures the active ingredients in cosmetics remain effective and ensures the product's overall stability. It's especially crucial in products that are designed for sensitive areas, like the face, where pH imbalances can lead to skin irritation or breakouts.
Safety and Precautions
While sodium hydroxide is invaluable in the cosmetic and personal care industry, its caustic nature demands respect. In high concentrations, it can cause burns and irritation. As such, manufacturers take great care to use it judiciously and ensure that the final product is safe for consumers. Protective equipment, including gloves and goggles, is a must when working with sodium hydroxide in its raw form. In finished products, however, it's typically present in such minimal amounts or has reacted with other ingredients in a way that it poses no risk to the user.
One of the significant advantages of sodium hydroxide in personal care products, especially soap, is its environmental profile. Soaps made with sodium hydroxide are biodegradable, meaning they break down over time and have a lesser environmental impact compared to some synthetic detergents. However, as with all ingredients, it's essential to source and use sodium hydroxide responsibly to minimize environmental footprint.
Sodium Hydroxide Uses
Sodium hydroxide, commonly known as lye or caustic soda, is a potent base with the chemical formula NaOH. Its unique chemical properties make it invaluable in a variety of industries and applications, particularly in personal care, soap making, and cosmetics.
The most traditional use of sodium hydroxide is in the production of soaps through a process called saponification. In this process, sodium hydroxide reacts with fats or oils to produce soap. The reaction breaks down oils into glycerol and fatty acid salts (the primary constituents of soap), allowing the resulting soap to effectively clean by emulsifying and removing oils and dirt.
Personal Care Products
In the personal care industry, sodium hydroxide is employed to maintain and adjust the pH levels of various products. The correct pH balance ensures that personal care products, like lotions and creams, remain effective and gentle on the skin.
Sodium hydroxide plays a critical role in hair relaxers designed to straighten curly or coiled hair. By breaking down the protein structure of hair, sodium hydroxide allows hair to be reshaped into a straighter form. Due to its potency, it's crucial to use hair relaxers according to their instructions to prevent potential harm to the hair or scalp.
Sodium hydroxide is used in various cosmetic formulations, mainly as a pH adjuster. By ensuring that cosmetic products have a balanced pH, sodium hydroxide ensures that the active ingredients remain effective, enhancing the product's overall performance and stability.
Many industrial and household cleaning agents contain sodium hydroxide due to its powerful degreasing and cleaning capabilities. Its ability to break down organic substances makes it effective in removing stubborn stains and residues.
In the textile sector, sodium hydroxide is utilized in the processing of cotton and dyeing of synthetic fibers. It's also used in the desizing process, where it helps remove the size material from the weave, making the fabric ready for the next stage of production.
Sodium Hydroxide Benefits
Effective Cleaning and Degreasing
Used widely in soap and detergent manufacturing, Sodium Hydroxide has powerful cleaning and degreasing properties.
Efficient pH Adjustment
Sodium Hydroxide serves as a crucial agent for pH regulation in various industrial processes, including water treatment.
An essential catalyst in biodiesel production, facilitating the transesterification process.
Essential in Petroleum Refining
Plays a vital role in the refining of petroleum products, contributing to the overall efficiency of the process.
Utilized in textile processing to aid in dyeing, washing, and bleaching of fabrics.
Food Curing and Preparation
Involved in certain food preparation and curing processes, such as olive curing.
Enabler of Chemical Synthesis
Used in various chemical synthesis processes, including the production of plastics, solvents, and other chemicals.
Contributes to the glass manufacturing process, aiding in the melting and refining of raw materials.
Facilitates metal extraction and processing, including the production of aluminum hydroxide.
Drain and Oven Cleaning
Used in commercial drain and oven cleaners for effective removal of clogs and grime.
Serves as a neutralizing agent in wastewater treatment, ensuring environmental compliance.
Plays a critical role in the production of various pharmaceutical ingredients and formulations.
Sodium Hydroxide Formula
Sodium Hydroxide, also known as lye or caustic soda, has a chemical formula that reflects its composition:
1. Chemical Composition
The chemical formula for Sodium Hydroxide is NaOH.
2. Molar Mass
Sodium Hydroxide's molar mass is approximately 40.00 grams per mole.
3. Composition Breakdown
Sodium Hydroxide consists of one sodium atom (Na), one oxygen atom (O), and one hydrogen atom (H).
Uses of Sodium Hydroxide
Sodium Hydroxide's formula reveals its composition of sodium, oxygen, and hydrogen atoms. This compound has a wide range of industrial applications, including soap and detergent production, water treatment, and chemical synthesis.
Sodium Hydroxide in Hair Care
Sodium Hydroxide, also known as lye or caustic soda, is a strong alkali that has various applications in hair care. It plays a crucial role in certain treatments and products, but its use also requires caution and understanding. Here's an overview of Sodium Hydroxide's properties, applications, and safety considerations in hair care.
Chemical Properties of Sodium Hydroxide
- Alkaline Nature: With a high pH, Sodium Hydroxide is highly alkaline, making it effective in breaking down bonds in hair structure.
- Reactivity: It reacts readily with other substances, which can be both beneficial and risky, depending on the application and handling.
Applications in Hair Care
- Hair Relaxers: Sodium Hydroxide is a key ingredient in hair relaxers used to permanently straighten curly or kinky hair.
- Texturizers: It can be used in lower concentrations to soften curls without fully straightening them.
- pH Adjustment: In certain formulations, it may be used to adjust the pH level of hair care products.
Benefits of Sodium Hydroxide in Hair Treatments
- Straightening Effect: Its ability to break down bonds in the hair allows for effective straightening in relaxer treatments.
- Controlled Texture: Used in texturizers, it can give more manageability to curly hair.
Safety Considerations and Precautions
- Professional Handling: Due to its caustic nature, Sodium Hydroxide treatments should be performed by trained professionals.
- Skin Irritation: It can cause burns or irritation if improperly handled, emphasizing the need for proper safety measures.
- Aftercare: Following treatments with Sodium Hydroxide, specialized aftercare products and routines are typically recommended to maintain hair health.
- Alternatives: Some individuals may prefer alternatives to Sodium Hydroxide, such as no-lye relaxers, due to potential sensitivities or personal preferences.
Sodium Hydroxide and Hair
Sodium Hydroxide, commonly known as lye, is used in hair care for a specific process called "chemical hair straightening" or "hair relaxing." This process involves altering the hair's natural structure to achieve straighter results:
1. Hair Straightening Process
Sodium Hydroxide is used in hair straightening products to break down the disulfide bonds in the hair's keratin protein structure. This allows the hair to be reshaped and set in a straightened form.
2. Permanent Effect
The effects of using Sodium Hydroxide for hair straightening are usually permanent until new hair growth occurs. This is because the disulfide bonds are chemically altered, resulting in a long-lasting change in the hair's texture.
While Sodium Hydroxide-based hair straightening can provide desired results, it's important to note that the process involves chemical alteration of the hair, which can lead to potential hair damage and breakage if not done correctly.
4. Professional Application
Chemical hair straightening with Sodium Hydroxide should ideally be performed by experienced professionals who understand the process and its effects on different hair types.
After undergoing a Sodium Hydroxide-based hair straightening treatment, proper aftercare is crucial. This typically involves using specialized shampoos and conditioners that are formulated to maintain the treated hair's condition and manage its potential dryness.
Alternatives and Precautions
Due to the potentially harsh nature of Sodium Hydroxide-based treatments, individuals seeking straightened hair may also consider alternatives, such as heat-based styling tools or milder hair relaxing methods that use different ingredients.
Before undergoing any hair straightening treatment involving Sodium Hydroxide, it's advisable to consult with a professional stylist to understand the process, potential outcomes, and post-treatment care.
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Typical Delivery Times to Major US Cities
|Major Cities||Total Business Days +1 / -1|
|Alabama (AL) - Montgomery, Birmingham||1|
|Alaska (AK) - Juneau, Anchorage||7|
|Arizona (AZ) - Phoenix, Tucson||4|
|Arkansas (AR) - Little Rock, Fayetteville||2|
|California (CA) - Sacramento, Los Angeles, San Francisco, San Diego, Sacramento, San Jose||4|
|Colorado (CO) - Denver, Colorado Springs||3|
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