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LC563 2,4-Bis(4-methoxyphenyl)-2,4-dithioxo-1,3,2,4- dithiadiphosphetane
for synthesis

 

Order number Packaging Quantity Price €
AC27563 Glass bottle 50 g 34.65
AC27563 Glass bottle 250 g 130.50

 

Product information
Synonyms 2,4-Bis(4-methoxyphenyl)-1,3,2,4-dithiadiphosphetane 2,4-disulfide, Lawesson’s reagent, p-Methoxyphenylthiophosphine sulfide (dimer)
Hill Formula C14H14O2P2S4
Chemical formula 4-(CH3O)C6H4-P2S4-C6H4-4-(OCH3)
HS Code 2931 00 99
EC number 242-855-4
Molar mass 404.47 g/mol
CAS number 19172-47-5

 

Chemical and physical data
Solubility (20 °C) (decomposition)
Melting point 223 – 228 °C
Molar mass 404.47 g/mol
Bulk density 500 kg/m3

 

Safety information
R Phrase R 15/29
Contact with water liberates toxic, extremely flammable gas.
S Phrase S 7/8-43
Keep container tightly closed and dry.In case of fire, use powder extinguisher. Never use water.
Categories of danger highly flammable
Hazard Symbol Flammable
Storage class 4.3 Materials that form flammble gases in contact with water
WGK WGK 3 highly water endangering
Disposal 25
Red phosphorus must not come into contact with oxidizing substances: Container I. Phosphorus compounds should be oxidized under an inert gas in an efficient hood with the front screen closed. From each gram of phosphorus compound measure out a 100-ml aliquot of 5 % Sodium hypochlorite solution (Cat.No. 105614) containing 5 ml of 50 % Sodium hydroxide solution (Cat. No. 106462) and carefully add the substance solution to be neutralized, a drop at a time, cooling with ice. Add Calcium hydroxide (Cat.No. 102047) and filter off the precipitated phosphates. Precipitate: Container I. Aqueous solutions: Container D.

 

Transport information
Declaration (transport by sea) IMDG-Code UN 3464 ORGANOPHOSPHORUS COMPOUND, TOXIC, SOLID, N.O.S.(2,4-BIS(4-METHOXYPHENYL)-2,4-DITHIOXOL-1,3,2,4-DITHIA DIPHOSPHETANE), 6.1, II
Declaration (transport by air) IATA-DGR UN 3464 ORGANOPHOSPHORUS COMPOUND, TOXIC, SOLID, N.O.S.(2,4-BIS(4-METHOXYPHENYL)-2,4-DITHIOXOL-1,3,2,4-DITHIA DIPHOSPHETANE), 6.1, II

 

Specifications
Assay (acidimetric) ≥ 98 %
Melting range
– lower value
≥ 223 °C
– upper value ≤ 228 °C
Identity (IR) passes test