Hexamethonium hydroxide solution

BGC Id:	974345457544
CAS No:	556-81-0
Synonyms:	1,6-Hexanediaminium,N,N,N,N',N',N'-hexamethyl-, dihydroxide (9CI) ; Ammonium, hexamethylenebis[trimethyl-,dihydroxide (8CI) ; Hexamethylenebis[trimethylammonium hydroxide] (6CI,7CI) ; Diquat-6(OH)2 ; Hexamethonium dihydroxide ; Hexamethonium hydroxide ; 1,6-Hexanediaminium,N1,N1,N1,N6,N6,N6-hexamethyl-, hydroxide (1:2)
Molecular Formula:	C12H30 N2 . 2 H O
Molecular Weight:	236.39468
EINECS:

Verified providers in 2026

The following notable provider has been checked and can be recommended.

Tatva Chintan Pharma Chem Limited

Company type: Leading producer

Phone: +91 75748 48533
Telefax: +91 75748 48534
Country: India

Tatva Chintan is a well established ISO 9001:2008 certifide manufacturer of Phase Transfer Catalyst, Quaternary Hydroxides of Electronic grade, Quaternary Ammonium /Phosphonium / Pyridinium compounds and Specialty Chemicals located in India since 1996. We provide Benzyltrimethylammonium tribromide as well. Our plant facility has been audited by NOVARTIS for HSE and by GSK for QMS. We are approved supp ...

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The last intensive check and update was carried out on 2026/02/02.

Identify

Synonyms:

1,6-Hexanediaminium,N,N,N,N',N',N'-hexamethyl-, dihydroxide (9CI) ; Ammonium, hexamethylenebis[trimethyl-,dihydroxide (8CI) ; Hexamethylenebis[trimethylammonium hydroxide] (6CI,7CI) ; Diquat-6(OH)2 ; Hexamethonium dihydroxide ; Hexamethonium hydroxide ; 1,6-Hexanediaminium,N1,N1,N1,N6,N6,N6-hexamethyl-, hydroxide (1:2)

CAS:

556-81-0

EINECS:

Molecular Formula:

C12H30 N2 . 2 H O

MDL:

SMILES:

CC1=C(C(=O)NC(=C1Br)C)C#N

Properties

Molecular Weight:

236.39468 g·mol−1

Density:

1.0 g/ml

Safety Information

Hazard Symbols: C

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

34 (R)

Safety Codes:

26-36/37/39-45 (S)

WGK Germany:

RID / ADR:

UN 3267 8 / PG 3

Storage temperature:

2-8°C

The following providers cannot be verified precisely. The companies have offered the product in the past, but despite all care, the companies could not confirm it 100 percent!

Santa Cruz Biotechnology, Inc.

Santa Cruz Biotechnology, Inc. now offers over 140,000 specialty biochemicals under our ChemCruz™ brand. Santa Cruz Biotechnology, Inc. is focused... Request

What other providers are available for CAS 556-81-0?

In addition to the providers presented here for Hexamethonium hydroxide solution with the CAS number 556-81-0, there are other 9 providers with slightly different product names available for this CAS number.

Hexamethionium hydroxide

Shandong Lanhai Industry Co.,Ltd. | Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd) | Leap Chem Co., Ltd | BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners +3 additional providers that we know from the past