2,4-Bis(4-methoxyphenyl)-1,3-dithia-2,4-diphosphetane-2,4-disulfide; p-Methoxyphenylthionophosphine sulfide dimer; Lawesson's Reagent; cas no:19172-47-5
Synonyms: 2,4-Bis(4-methoxyphenyl)-1,3-dithia-2,4-diphosphetane-2,4-disulfide
Name2,4-Bis(4-methoxyphenyl)-1,3-dithia-2,4-diphosphetane-2,4-disulfide; p-Methoxyphenylthionophosphine sulfide dimer; Lawesson's Reagent;
CAS19172-47-5
Synonyms2,4-Bis(4-methoxyphenyl)-1,3-dithia-2,4-diphosphetane-2,4-disulfide
EINECS(EC#)242-855-4
Molecular FormulaC14H14O2P2S4
Molecular Weight404.47
Appearancelight yellow to beige powder
refractive index1.705
storage tempwater-free area
Sensitive Moisture Sensitive
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
Hazardclass4.3
Hazard F:Flammable;Xn:Harmful;
Risk R15/29;R20/21/22
Safety
Hazard Codes: 
Xi,Xn,
F
Risk Statements: 20/21/22-15/29-37
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
R15/29: Contact with water liberates toxic, extremely flammable gas
R37: Irritating to respiratory system
Safety Statements: 8-43-36/37-22-38
S8: Keep container dry.
S22: Do not breathe dust.
S36/37: Wear suitable protective clothing and gloves.
S38: In case of insufficient ventilation, wear suitable respiratory equipment.
S43: In case of fire use ... (there follows the type of fire-fighting equipment to be used.)
RIDADR: 3278
WGK Germany: 3
F: 13-21
HazardClass: 4.3
PackingGroup: III
