Tetra Propyl Ammonium Hydroxide Aqueous Solution

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Tetra Propyl Ammonium Hydroxide Aqueous Solution

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Tetra Propyl Ammonium Hydroxide Aqueous Solution Specification

Boiling point
Approx. 100C (varies with concentration)

Melting Point
Not applicable (liquid)

Particle Size
Not applicable (solution)

Residue on Ignition
0.05%

Place of Origin
China

Molecular Weight
173.31 g/mol

EINECS No
224-976-9

Assay
20-40% as TPAOH

Molecular Formula
C12H29NO

Ph Level
13-14 (strongly alkaline)

Moisture (%)
Balance to 100%

HS Code
29239000

Storage
Store in tightly closed container, cool and dry place, away from acids

Heavy Metal (%)
0.001%

Viscosity
2-5 mPas (at 25C, concentration-dependent)

Other Names
Tetrapropylammonium hydroxide; TPAOH

CAS No
4499-86-9

Type
Aqueous Solution

Grade
Industrial/Reagent Grade

Usage
Catalyst, Zeolite Template, Phase Transfer Catalyst, Laboratory Reagent

Purity
20%-40% (commonly 25% solution)

Appearance
Clear to slightly hazy liquid

Application
Zeolite synthesis, catalyst, laboratory research, phase transfer catalyst

Raw Material
Propylamine, Ammonia

Smell
Ammonia-like odor

Color
Colorless to pale yellow

Form
Liquid

Stability
Stable under recommended storage conditions

UN Number
2922

Solubility
Miscible with water

Refractive Index (nD 20C)
1.3801.400 (solution)

Shelf Life
12 months (if unopened and properly stored)

Packaging
25 kg/Drum, 200 kg/Drum or as required

Density at 20C
0.921.05 g/cm (concentration dependent)

Hazard Class
Corrosive (Class 8)

Tetra Propyl Ammonium Hydroxide Aqueous Solution Trade Information

Main Export Market(s)
Australia, Central America, South America, Western Europe, Middle East, Asia, Eastern Europe, North America, Africa

Main Domestic Market
All India

About Tetra Propyl Ammonium Hydroxide Aqueous Solution

Tetra propyl ammonium hydroxide aqueous solution (TPAH) is a quaternary ammonium compound that is used as a catalyst and surfactant in various chemical reactions. Its chemical formula is C12H29NOH. The compound is typically supplied as a concentrated aqueous solution containing 40-50% of the compound by weight. It is a colorless to yellowish liquid with a characteristic ammoniacal odor. TPAH is used in organic synthesis reactions as a catalyst to promote various reactions, such as the synthesis of epoxides and the hydrolysis of esters. It is also used as a surfactant in the production of detergents and other specialty chemicals.

As with other quaternary ammonium compounds, TPAH should be handled with care due to its potential for skin and eye irritation. Protective equipment such as gloves and goggles should be worn when handling it. It should also be stored in a cool, dry place away from sources of ignition and incompatible materials.

FAQ

1. What is tetra propyl ammonium hydroxide aqueous solution?

Ans - Tetra propyl ammonium hydroxide aqueous solution is an aqueous solution composed of tetra propyl ammonium cation (CH3CH2CH2CH2N+) and hydroxide anion (OH-). It is used as a surfactant in industrial processes.

2. What are the uses of tetra propyl ammonium hydroxide aqueous solution?

Ans - Tetra propyl ammonium hydroxide aqueous solution is used as a surfactant in a variety of industrial processes, such as cleaning, degreasing, and emulsification. It is also used in the production of detergents, industrial solvents, and lubricants.

3. What are the safety precautions for handling tetra propyl ammonium hydroxide aqueous solution?

Ans - When handling tetra propyl ammonium hydroxide aqueous solution, it is important to wear protective clothing, gloves, safety glasses, and a face mask. It is also important to avoid inhalation of vapors and skin contact with the solution.

4. How should tetra propyl ammonium hydroxide aqueous solution be stored?

Ans - Tetra propyl ammonium hydroxide aqueous solution should be stored in a cool, dry place away from direct sunlight. It should also be kept away from heat sources and in a tightly sealed container.

Key Applications and Uses

TPAOH is widely utilized as a zeolite structure-directing agent, catalyst, and phase transfer catalyst. Its strong alkalinity and purity (commonly 25% solution) make it ideal for laboratory research and fine chemical synthesis. Industries value TPAOH for its efficiency in creating high-quality zeolites and as a reagent in various organic reactions.

Safe Handling and Storage Recommendations

Due to its corrosive nature (Class 8; UN 2922), TPAOH should be handled using appropriate protective equipment. Store the solution in tightly closed containers in a cool, dry place away from acids. Proper storage maintains product stability and extends its shelf life up to 12 months. Always consult the Material Safety Data Sheet (MSDS) before use.

FAQ's of Tetra Propyl Ammonium Hydroxide Aqueous Solution:

Q: How should Tetra Propyl Ammonium Hydroxide Aqueous Solution be stored for maximum stability?

A: To ensure maximum stability and shelf life, store TPAOH in tightly sealed containers in a cool, dry location, away from acids and incompatible materials. Avoid exposure to air and direct sunlight. Unopened and properly stored, the solution remains stable for up to 12 months.

Q: What is the primary usage of TPAOH in industrial applications?

A: TPAOH is principally used as a structure-directing agent in zeolite synthesis, as well as a catalyst and phase transfer catalyst in organic reactions. It is highly valued in laboratory research for preparing advanced materials and in the manufacture of specialty chemicals.

Q: When should I use TPAOH as a phase transfer catalyst?

A: TPAOH is suitable for use as a phase transfer catalyst in processes requiring the transfer of ionic species between aqueous and organic phases. Its strong alkalinity supports efficient reaction rates and improved yields in applications such as organic synthesis and fine chemical production.

Q: Where is Tetra Propyl Ammonium Hydroxide Aqueous Solution typically manufactured and supplied from?

A: This product is commonly manufactured and exported from China and India, with reputable suppliers offering industrial and reagent grade variants. It is distributed globally in customized packaging, commonly 25 kg and 200 kg drums.

Q: What safety precautions should be observed when handling TPAOH?

A: Due to its strongly alkaline and corrosive properties, always wear suitable protective clothing, gloves, and safety goggles when handling TPAOH. Work in a well-ventilated space and consult the MSDS for detailed hazard and first aid guidance. Avoid any contact with acids and incompatible substances.

Q: How does the concentration and purity of TPAOH affect its applications?

A: TPAOH is available in concentrations of 20-40%, with 25% being standard. Higher purity and concentration can enhance performance in zeolite synthesis and catalytic applications by ensuring consistent results and reducing impurities in final products.

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