Hexamethonium hydroxide solution

CAS 556-81-0(CH3)3N(OH)(CH2)6N(OH)(CH3)3Acids & Bases

Hexamethonium hydroxide solution (CAS: 556-81-0) is a quaternary ammonium compound available as an aqueous solution, typically around 0.1 M. Its linear formula is (CH3)3N(OH)(CH2)6N(OH)(CH3)3 and it has a molecular weight of 236.39 g/mol. This compound serves as a strong organic base and is utilised in various chemical synthesis applications, particularly where a diammonium hydroxide is required. It is supplied by Tech Serve Solutions for laboratory and industrial use.

IUPAC: N,N,N,N′,N′,N′-Hexamethylhexamethylenediammonium dihydroxide
Synonyms: N,N,N,N′,N′,N′-Hexamethylhexamethylenediammonium dihydroxide

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Hexamethonium hydroxide solution ((CH3)3N(OH)(CH2)6N(OH)(CH3)3) — chemical structure, CAS 556-81-0; Chemistry, fine chemical supplied by Tech Serve Solutions

Acids & BasesBasesChemical SynthesisOrganic BasesSynthetic Reagents

01 /Applications

Organic Synthesis Reagent

Utilised as a strong organic base in various synthetic transformations. Its diammonium structure allows for specific reactivity in organic chemistry processes.

pH Adjustment

As a strong base, it can be employed for precise pH adjustments in aqueous solutions during chemical reactions or analytical procedures.

Research and Development

A valuable reagent for researchers exploring new synthetic pathways or studying the properties of quaternary ammonium compounds.

02 /Properties

Molecular weight	236.39
Linear formula	(CH3)3N(OH)(CH2)6N(OH)(CH3)3
Concentration	~0.1 M in H2O
Storage temperature	2-8°C
Impurities tested	≤0.01% halides (as bromide)

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 / PGIII
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

556-81-0

MDL number

MFCD00677130

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 Hexamethonium hydroxide solution used for?

Hexamethonium hydroxide solution is primarily used as a strong organic base in chemical synthesis and for pH adjustments in laboratory settings.

What are the CAS number and formula for Hexamethonium hydroxide solution?

The CAS number is 556-81-0 and the linear formula is (CH3)3N(OH)(CH2)6N(OH)(CH3)3.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Hexamethonium hydroxide solution at a concentration of approximately 0.1 M in water, with ≤0.01% halides (as bromide) impurities. This is a technical/research grade product and is not represented as USP, BP, or EP grade.

How should Hexamethonium hydroxide solution be handled?

This compound is corrosive and causes severe skin burns and eye damage. Appropriate personal protective equipment, including face shields, gloves, and respirators, must be worn. Handle in a well-ventilated area and follow all safety guidelines outlined in the Safety Data Sheet.

How is Hexamethonium hydroxide solution shipped and exported?

Hexamethonium hydroxide solution is classified under UN 3267, Class 8, Packing Group III. Tech Serve Solutions adheres to all international shipping and export regulations for hazardous materials.