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856177

Sigma-Aldrich

Methyl viologen dichloride hydrate

98%

Synonym(s):

1,1′-Dimethyl-4,4′-bipyridinium dichloride, Gramoxone, Paraquat dichloride

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About This Item

Empirical Formula (Hill Notation):
C12H14Cl2N2 · xH2O
CAS Number:
75365-73-0
Molecular Weight:
257.16 (anhydrous basis)
Beilstein:
3752782
MDL number:
MFCD00150001
UNSPSC Code:
12352103
PubChem Substance ID:
24888401
NACRES:
NA.23

Assay

98%

form

solid

mp

>300 °C (lit.)

SMILES string

[Cl-].[Cl-].[H]O[H].C[n+]1ccc(cc1)-c2cc[n+](C)cc2

InChI

1S/C12H14N2.2ClH.H2O/c1-13-7-3-11(4-8-13)12-5-9-14(2)10-6-12;;;/h3-10H,1-2H3;2*1H;1H2/q+2;;;/p-2

InChI key

RLGVBTFWTZJYIL-UHFFFAOYSA-L

Related Categories

General description

Methyl viologen dichloride hydrate is a well-known electron acceptor since it is having similar reduction potential value compared to the conduction band (−0.44 V) of TiO2.

Application

Methyl viologen dichloride hydrate can be used as an electron transfer agent, which provides insights into the dynamics of the excited state of quantum dot materials.

It can also be used as a mediator in the synthesis of ultrasmall bimetallic PdAg nanocatalysts.

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Skin Irrit. 2 - STOT RE 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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The Journal of Physical Chemistry, 98, 6377-6377 (1994)
Tetrahedron Letters, 33, 6677-6677 (1993)
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