Hexamethonium hydroxide solution - ca. 25% in Water , CAS No.556-81-0

CAS: 556-81-0 Cat. No.: H462921 Molecular Weight: 236.39 EC Number: 611-300-1
AVAILABLE TO ORDER
GRADE & PURITY ca. 25% in Water
Synonyms
Hexamethonium Dihydroxide (ca. 25% in Water) | H1762 | Hexamethoniun | Q27288307 | 1,6-Hexanediaminium, N1,N1,N1,N6,N6,N6-hexamethyl-, hydroxide (1:2) | trimethyl-[6-(trimethylazaniumyl)hexyl]azanium;dihydroxide | HEXAMETHONIUM HYDROXIDE | SCHEMBL178044 |
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25ml
H462921-25ml
3
$17.90
100ml
H462921-100ml
1
$51.90
Enter a quantity for the sizes you want to add.
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Why this grade

ca. 25% in Water for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Hexamethonium Dihydroxide (ca. 25% in Water) | H1762 | Hexamethoniun | Q27288307 | 1, 6-Hexanediaminium, N1, N1, N1, N6, N6, N6-hexamethyl-, hydroxide (1:2) | trimethyl-[6-(trimethylazaniumyl)hexyl]azanium;dihydroxide | HEXAMETHONIUM HYDROXIDE | SCHEMBL178044 |
Specifications & Purity
ca. 25% in Water
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Names and Identifiers
Canonical SmilesC[N+](C)(C)CCCCCC[N+](C)(C)C.[OH-].[OH-]
IUPAC Nametrimethyl-[6-(trimethylazaniumyl)hexyl]azanium;dihydroxide
InChIKeyGYLUMIIRFKDCKI-UHFFFAOYSA-L
INCHI1S/C12H30N2.2H2O/c1-13(2,3)11-9-7-8-10-12-14(4,5)6;;/h7-12H2,1-6H3;2*1H2/q+2;;/p-2
Isomeric SMILES C[N+](C)(C)CCCCCC[N+](C)(C)C.[OH-].[OH-]
Molecular Weight 236.39
Reaxy-Rn 8169313
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=8169313&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic nitrogen compounds
ClassOrganonitrogen compounds
SubclassQuaternary ammonium salts
Intermediate Tree Nodes Not available
Direct ParentHexamethonium compounds
Alternative Parents Tetraalkylammonium salts  Organopnictogen compounds  Organic salts  Organic oxoanionic compounds  Organic oxides  Hydrocarbon derivatives  Amines  
Molecular FrameworkAliphatic acyclic compounds
Substituents Hexamethonium - Tetraalkylammonium salt - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organic salt - Organic hydroxide - Amine - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as hexamethonium compounds. These are organic compounds containing a N,N,N,N',N',N'-hexamethylhexane-1,6-diaminium moiety.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

8 results found

Lot NumberCertificate TypeDateItem
D2613328Certificate of AnalysisMar 10, 2026 H462921
D2613329Certificate of AnalysisMar 10, 2026 H462921
J2430419Certificate of AnalysisOct 18, 2024 H462921
J2430420Certificate of AnalysisOct 18, 2024 H462921
L2314320Certificate of AnalysisDec 01, 2023 H462921
L2314321Certificate of AnalysisDec 01, 2023 H462921
L2314327Certificate of AnalysisDec 01, 2023 H462921
L2314328Certificate of AnalysisDec 01, 2023 H462921
Chemical and Physical Properties
SensitivityAir sensitive;Heat sensitive
Molecular Weight236.390 g/mol
XLogP3
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count2
Rotatable Bond Count7
Exact Mass236.246 Da
Monoisotopic Mass236.246 Da
Topological Polar Surface Area2.000 Ų
Heavy Atom Count16
Formal Charge0
Complexity121.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count3
Solution Calculators
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