Detail of "1910-42-5"

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CAS Number:
1910-42-5
Name:
Paraquat dichloride
Molecular Structure:
Formula:
C₁₂H₁₄Cl₂N₂
Molecular Weight:
257.18
Deleted CAS:
136338-65-3|205105-68-6|247050-57-3|3765-78-4|57593-74-5|65982-50-5
Synonyms:
1,1'-Dimethyl-4,4'-bipyridiniumdichloride (6CI,7CI);1,1'-Dimethyl-4,4'-dipyridinium dichloride;AH 501;AH 501 (herbicide);Cekuquat;Cyclone Max;Dimethylviologen chloride;Galokson;Gramixel;Gramoxone;Gramoxone D;Gramoxone Max;Gramoxone S;N,N'-Dimethyl-4,4'-bipyridinium dichloride;OK 622;4,4'-Bipyridinium,1,1'-dimethyl-, chloride (1:2);
EINECS:
217-615-7
Density:
1.25
Melting Point:
> 300 °C(lit.)
Solubility:
soluble in water
Appearance:
off-white powder
Hazard Symbols:
T+,N
Risk Codes:
24/25-26-36/37/38-48/25-50/53
Safety:
22-28-36/37/39-45-60-61-28A Details
Transport Information:
UN 2811 6.1/PG 1

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Reference

Photoredox reactions on semiconductors at open circuit: a single titanium dioxide electrode as a model for reactions in particle suspensions: Photoredox reactions on semiconductors at open circuit: a single titanium dioxide electrode as a model for reactions in particle suspensions. Neumann-Spallart, Michael; Enea, Octav (Inst. Chim. Phys., Ec. Polytech. Fed. Lausanne, Lausanne CH-1015, Switz.). J. Electrochem. Soc., 131(12), 2767-72 (English) 1984. CODEN: JESOAN. ISSN: 0013-4651. DOCUMENT TYPE: Journal CA Section: 52 (Electrochemical, Radiational, and Thermal Energy Technology) Section cross-reference(s): 72 Optically and polarog. measured initial photoredn. rates of methylviologen [1910-42-5] on polycryst. TiO2 electrodes at open circuit compare well with the redn. rates calcd. from the currents at the intersection of photocurrent- and inverted dark current-voltage curves. Such rates measured at single electrodes are then used to predict redn. rates on particle suspensions. The role of light intensity, pH, and platinization on the redn. rates of various relays is discussed.

Colloid-catalyst-coated semiconductors in surfactant vesicles: Colloid-catalyst-coated semiconductors in surfactant vesicles. In situ generation of rhodium-coated cadmium sulfide particles in dimethyldioctadecylammonium halide surfactant vesicles and their utilization in photosensitized charge separation and hydrogen generation. Rafaeloff, Rafael; Tricot, Yves M.; Nome, Faruk; Fendler, Janos H. (Inst. Colloid Surf. Sci., Clarkson Univ., Potsdam, NY 13676, USA). J. Phys. Chem., 89(3), 533-7 (English) 1985. CODEN: JPCHAX. ISSN: 0022-3654. DOCUMENT TYPE: Journal CA Section: 52 (Electrochemical, Radiational, and Thermal Energy Technology) Section cross-reference(s): 49, 73, 74 Colloidal ~40-?-diam. CdS semiconductors were in situ generated and in situ coated by Rh in 800-1000-?-diam. dimethyldioctadecylammonium chloride (I) [107-64-2] and dimethyldioctadecylammonium bromide (II) [3700-67-2] surfactant vesicles. Vesicles controlled the sizes and stabilities of CdS, generated by H2S from adsorbed Cd/EDTA. Fluorescence emission of I or II vesicle incorporating CdS was visible only when the dispersion was sonicated at pH >6. This fluorescence was unaffected by addnl. EDTA [60-00-4] but efficiently quenched by PhSH [108-98-5]. Direct evidence of conduction band electron transfer from excited CdS to methylviologen [1910-42-5] was obsd. by laser flash photolysis. Photolysis by visible light of I and II vesicle-entrapped Rh-coated CdS particles in the presence of PhSH (the sacrificial electron donor) led to H formation which could be sustained until nearly complete consumption of PhSH. H evolution was equal or more efficient from externally formed CdS particles, eventhough they did not show a detectable fluorescence. H generation was optimized by examg. effects of catalyst concn., mode of catalyst formation, the concn. of added PhSH, and the methods of CdS and vesicle prepn.

Detail of "1910-42-5"

Paraquat dichloride

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Reference