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Tetra Propyl Ammonium Bromide

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Tetra Propyl Ammonium Bromide Specification

Storage
Store in tightly closed container, in a dry and cool place

Smell
Odorless

Grade
Laboratory Grade, Industrial Grade

Ph Level
Neutral (approx. 5.0-7.0 in 5% solution)

Poisonous
Not classified as poisonous

Shape
Crystalline

Structural Formula
[(C3H7)4N]Br

EINECS No
217-725-8

Melting Point
242-245C

Molecular Weight
266.27 g/mol

Purity
>=99%

Shelf Life
24 months under specified storage conditions

Application
Phase transfer catalyst, organic synthesis, chemical intermediate

Ingredients
Tetra Propyl Ammonium Bromide

Refractive Rate
Not applicable (solid)

CAS No
1941-30-6

Molecular Formula
C12H28BrN

Product Type
Quaternary Ammonium Salt

Usage
Used in phase transfer catalysis and various organic reactions

Taste
Odorless

Appearance
White crystalline powder

Properties
High purity chemical; hygroscopic; excellent phase transfer catalyst; stable under recommended storage conditions

Solubility
Freely soluble in water, soluble in organic solvents

HS Code
29239090

Density
1.14 Gram per cubic centimeter(g/cm3)

Physical Form
Powder

EC Number
217-725-8

Stability
Stable under recommended storage conditions

Vapor Pressure
Negligible

UN Number
Not regulated

Boiling Point
Decomposes before boiling

Auto-ignition Temperature
Not determined

Moisture Content
< 0.5%

Synonyms
Tetrapropylammonium Bromide, TPAB, Tetra-n-propylammonium Bromide

Hazard Class
Non-hazardous for transport

Handling Precautions
Avoid contact with skin and eyes, use personal protective equipment

Packaging
HDPE drums, double lined bags, custom packing on request

Tetra Propyl Ammonium Bromide Trade Information

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

Main Domestic Market
All India

About Tetra Propyl Ammonium Bromide

Tetra propyl ammonium bromide, also called as TPAB or TPABr, is a white crystalline solid that is soluble in water. This quaternary ammonium compound with the molecular formula (C₃H₇)4NBr is used in the synthesis of several organic compounds and as a surfactant in some applications. It is also used as a phase transfer catalyst in organic chemistry reactions to transfer ionic species from an aqueous phase to an organic phase. Propylamine reacts with propyl bromide in the presence of a suitable solvent to form tetra propyl ammonium bromide. It should be handled with care because it can irritate skin and eyes.

FAQ

1. Tetra Propyl Ammonium bromide: What is it?

Ans - Tetra propyl ammonium bromide is an organic chemical used in analytical chemistry and as a surfactant.

2. What applications does tetrapropyl ammonium bromide have?

Ans - In addition to being a surfactant in soaps, detergents, and cosmetics, tetra propyl ammonium bromide also serves as an intermediary in the synthesis of other chemicals. As a reagent, it is also utilised in analytical chemistry.

3. What is tetrapropyl ammonium bromide's chemical formula?

Ans - Tetrapropyl ammonium bromide has the chemical formula C16H38BrN.

4. What is the process for making tetrapropyl ammonium bromide?

Ans - The interaction of bromoethane and ammonium hydroxide in aqueous solution produces tetra propyl ammonium bromide.

5. Is bromide of tetrapropyl ammonium toxic?

Ans - Tetra propyl ammonium bromide is a hazardous substance and needs to be handled carefully. Burning or stinging could result from ingestion or contact with the skin or eyes.

Superior Phase Transfer Catalyst

TPAB is highly effective in phase transfer catalysis, facilitating the migration of reactants between immiscible phases, thereby enhancing the rate and yield of organic reactions. Its remarkable stability and high purity make it immensely valuable for both laboratory experiments and industrial processes that demand consistent, reliable reagents.

Safe Handling and Storage

Though TPAB is considered non-hazardous for transport, users should avoid skin and eye contact and use suitable personal protective equipment when handling it. The powder is hygroscopic, so it must be stored in tightly sealed containers, kept in a cool and dry place, and protected from moisture to maintain its quality and efficacy over an extended shelf life.

FAQ's of Tetra Propyl Ammonium Bromide:

Q: How should Tetra Propyl Ammonium Bromide be stored to maintain its efficacy?

A: It is important to store Tetra Propyl Ammonium Bromide in a tightly closed container, placed in a cool, dry environment. As the substance is hygroscopic, protecting it from moisture exposure preserves its purity and extends its shelf life up to 24 months.

Q: What are the main applications and benefits of using TPAB in synthesis?

A: TPAB is primarily utilized as a phase transfer catalyst, significantly enhancing the efficiency of organic reactions by allowing reactants to interact in immiscible phases. Additionally, its high purity and stability make it ideal for use as an intermediate in chemical synthesis, providing reliable and reproducible results.

Q: When should users employ personal protective equipment while handling TPAB?

A: Personal protective equipment-such as gloves and safety goggles-should always be worn when handling TPAB to avoid direct contact with the skin and eyes, as a precautionary safety measure, even though the compound is not classified as hazardous.

Q: Where is TPAB typically packaged, and what packaging options are available?

A: TPAB is typically packaged in HDPE drums or double-lined bags to ensure product integrity during storage and transport. Manufacturers and exporters can also provide custom packing solutions based on specific client requirements.

Q: What is the process for using TPAB as a phase transfer catalyst?

A: TPAB acts as a phase transfer catalyst by facilitating the migration of anion or cation reactants from one phase to another, typically from aqueous to organic. This process accelerates otherwise sluggish organic reactions and improves overall yields in synthetic procedures.

Q: What grade and purity levels are provided for Tetra Propyl Ammonium Bromide?

A: TPAB is supplied in both laboratory and industrial grades, with a minimum purity of 99%, making it suitable for high-precision chemical applications and large-scale industrial synthesis alike.

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