Send Inquiry

Request To Call Back

Tetra Methyl Ammonium Bromide

Get a Price/Quote

Tetra Methyl Ammonium Bromide Specification

Purity
>= 99%

Poisonous
Yes

Taste
Odorless, slightly bitter

HS Code
29239000

Form
Powder / Crystals

Molecular Formula
C4H12BrN

Smell
Odorless

Solubility
Soluble in water, alcohol

Shape
Crystalline

Ph Level
Neutral (aqueous solution)

Density
1.398 Gram per cubic centimeter(g/cm3)

Other Names
Tetramethylammonium bromide, TMAB

Molecular Weight
184.06 g/mol

Melting Point
51-55C

Boiling point
Not applicable (decomposes before boiling)

Storage
Store in tightly closed container, cool dry area

Structural Formula
[(CH3)4N]Br

Classification
Quaternary ammonium compound

Chemical Name
Tetra Methyl Ammonium Bromide

CAS No
64-20-0

EINECS No
200-875-8

Grade
Reagent Grade

Standard
Analytical grade

Type
Quaternary ammonium salt

Usage
Laboratory, research, chemical industry

Main Material
Tetra Methyl Ammonium Bromide

Application
Organic synthesis, phase transfer catalyst, analytical reagent

Packaging
HDPE bottles, polybags, fiber drums

Stability
Stable under normal conditions

pH of 5% Solution
6.5 7.5

Hazard Statement
Non-flammable, handle with care

Moisture Content
<0.5%

Incompatibilities
Strong oxidizers

Finish
Fine/Free-flowing

Shelf Life
2 years under proper storage conditions

Handling
Use gloves and safety glasses during handling

EC Number
200-875-8

Contact
Skin/eye contact may cause mild irritation

Appearance
White crystalline powder

Tetra Methyl Ammonium Bromide Trade Information

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

Main Domestic Market
All India

About Tetra Methyl Ammonium Bromide

Tetramethylammonium bromide (TMAB, Tetramethylammoniumbromide or TMABr) is bromide salt of tetramethylammonium with the chemical formula (CH₃)4NBr. It is a white crystalline solid that is soluble in water and polar organic solvents. It is used in synthesis of polyamides, dithioacetals, alkyl-substituted pyrroles, organobromine compounds, etc. It is also used as a surfactant in the manufacture of detergents and in electroplating. This quaternary ammonium compound is also a source of bromide ion in organic synthesis reactions due to its solubility and relatively low toxicity compared to other bromide salts.

FAQ

1. Tetramethylammonium bromide: what is it?

Ans - Four methyl groups are joined to an ammonium ion to form the chemical molecule tetra methyl ammonium bromide (TMAB). It is a colourless, crystalline solid that can dissolve in polar solvents like water.

2. What applications does tetramethylammoniumbromide have?

Ans - The main applications of TMAB are in the printing, electronics, and plastics sectors as an antistatic agent. Additionally, it functions as a biocide in antifouling coatings, a surfactant, and a way to lower surface tension in paints and inks.

3. Is bromide of tetramethylammonium poisonous?

Ans - The eyes, skin, and mucous membranes may become irritated by TMAB, which is a mildly hazardous substance. Care should be taken when handling it, and protective clothes should be worn.

4. What type of storage should be used for tetramethylammonium bromide?

Ans - Away from heat sources, spark sources, and open flames, TMAB should be stored in a cool, dry, and well-ventilated place. Additionally, it should be maintained away from potent oxidising substances and acids.

5. What safe disposal methods are there for tetra methyl ammonium bromide?

Ans - According to all applicable municipal, state, and federal laws, TMAB should be disposed of. With the use of an appropriate reagent, it can be neutralised before being disposed of in accordance with the rules that apply.

Optimal Applications of TMAB

Tetra Methyl Ammonium Bromide finds its primary use in laboratories, research institutions, and chemical industries. It serves as an effective phase transfer catalyst and an analytical reagent, facilitating organic reactions and improving yield efficiency. With its high purity and reagent grade quality, TMAB is a preferred choice for precision chemical processes.

Safe Handling and Storage Practices

TMAB, although low in toxicity, may cause mild irritation upon skin or eye contact. Always use gloves and safety glasses during handling. Store the compound in HDPE bottles, polybags, or fiber drums, tightly sealed and in a cool, dry area to preserve its shelf life. Avoid contact with strong oxidizers to maintain stability.

FAQ's of Tetra Methyl Ammonium Bromide:

Q: How should Tetra Methyl Ammonium Bromide be stored for maximum shelf life?

A: Store TMAB in tightly closed containers, such as HDPE bottles or fiber drums, in a cool, dry environment. Avoid exposure to moisture and heat to maintain its 2-year shelf life and ensure long-term stability.

Q: What is the main purpose of TMAB in the chemical industry?

A: Tetra Methyl Ammonium Bromide is used mainly as a phase transfer catalyst and an analytical reagent in organic synthesis. Its high purity makes it ideally suited for laboratory and industrial applications that require precise chemical reactions.

Q: When should gloves and safety glasses be worn while handling TMAB?

A: Personal protective equipment like gloves and safety glasses should be worn at all times when handling TMAB, as it can cause mild irritation if it comes in contact with skin or eyes.

Q: Where can TMAB be used in laboratory processes?

A: TMAB is commonly employed in organic synthesis, analytical testing, and as a phase transfer catalyst in laboratory environments. It is suitable for use in chemical research and preparation of complex compounds.

Q: What precautions should be taken during the handling of TMAB?

A: During handling, ensure to avoid contact with strong oxidizers and always use gloves and safety glasses. Handle the compound in well-ventilated areas to minimize the risk of irritation and maintain safety.

Q: How is Tetra Methyl Ammonium Bromide beneficial in organic synthesis?

A: TMAB acts as a phase transfer catalyst, which facilitates the transfer of reactants between different phases in organic synthesis, thereby enhancing reaction efficiency and product yield.

Q: Is Tetra Methyl Ammonium Bromide dangerous or poisonous if accidentally ingested?

A: TMAB is considered to have low toxicity, but it is not intended for consumption. In case of accidental ingestion or exposure, seek medical advice promptly for appropriate care.

Tell us about your requirement