Trimethylphenylammonium hydroxide solution

CAS 1899-02-1(CH3)3N(OH)C6H5Acids & Bases

Trimethylphenylammonium hydroxide solution (CAS 1899-02-1), with the linear formula (CH3)3N(OH)C6H5 and a molecular weight of 153.22 g/mol, is a strong organic base supplied by Tech Serve Solutions. This aqueous solution, typically around 25%, serves as a valuable reagent in organic synthesis and various chemical processes requiring a potent, non-metallic hydroxide. Its properties make it suitable for applications where traditional inorganic bases may be less effective or introduce unwanted metallic ions.

IUPAC: Phenyltrimethylammonium hydroxide,TMAH
Synonyms: Phenyltrimethylammonium hydroxideTMAH

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Trimethylphenylammonium hydroxide solution ((CH3)3N(OH)C6H5) — chemical structure, CAS 1899-02-1; Chemistry, fine chemical supplied by Tech Serve Solutions

Acids & BasesBasesChemical SynthesisOrganic BasesSynthetic Reagents

01 /Applications

Organic Synthesis Reagent

Utilised as a strong base in various organic transformations, facilitating reactions such as deprotonation and elimination. Its organic nature can offer advantages in solubility and reactivity compared to inorganic bases.

Catalysis

Can function as a catalyst or co-catalyst in certain organic reactions. Its hydroxide functionality is key to its catalytic activity in promoting specific chemical pathways.

Chemical Intermediate

Serves as a building block or reactant in the synthesis of more complex organic molecules. It is employed in multi-step synthesis routes within the pharmaceutical and fine chemical industries.

pH Adjustment

Used for precise pH control in specific aqueous chemical processes where a strong organic base is preferred. Its concentration allows for fine-tuning of reaction conditions.

02 /Properties

Molecular weight	153.22
Linear formula	(CH3)3N(OH)C6H5
Refractive index	n20/D 1.395
Concentration	~25% in H2O (1.68 M)

03 /Safety & handling

GHS hazard pictogram: Corrosive (GHS05) — Corrosive

Danger

Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

P280Wear protective gloves, clothing and eye/face protection
P305IF IN EYES
P310Immediately call a POISON CENTER or doctor

Protective equipment	Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Transport (UN / ADR)	UN 3267 8 / PGII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	C
Risk statements (R)	34
Safety statements (S)	26-36/37/39-45

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

1899-02-1

MDL number

MFCD00041899

Beilstein registry

3917033

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Trimethylphenylammonium hydroxide solution used for?

Trimethylphenylammonium hydroxide solution (CAS 1899-02-1) is primarily used as a strong organic base in organic synthesis, catalysis, and as a chemical intermediate for producing complex molecules.

What are the CAS number and chemical formula for Trimethylphenylammonium hydroxide solution?

The CAS number is 1899-02-1, and its linear formula is (CH3)3N(OH)C6H5.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Trimethylphenylammonium hydroxide solution with a concentration of approximately 25% in water (1.68 M). This is generally considered a technical or research grade. TSS does not represent this product as USP, BP, or EP grade.

How should Trimethylphenylammonium hydroxide solution be handled safely?

This compound is corrosive and causes severe skin burns and eye damage (H314). Handle with extreme caution using appropriate personal protective equipment, including faceshields, gloves, and respirators. Ensure adequate ventilation and follow all safety guidelines.

Is Trimethylphenylammonium hydroxide solution shipped internationally?

Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Trimethylphenylammonium hydroxide solution.

How can I request a quote or sample?

To request a quote or sample, please contact our sales department through the website or by phone, providing the product name and CAS number (1899-02-1).