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19172-47-5

Name Lawesson's Reagent
CAS 19172-47-5
EINECS(EC#) 242-855-4
Molecular Formula C14H14O2P2S4
MDL Number MFCD00005171
Molecular Weight 404.47
MOL File 19172-47-5.mol

Chemical Properties

Appearance light yellow to beige powder
Melting point  228-230 °C(lit.)
Boiling point  525.8±60.0 °C(Predicted)
density  1.48±0.1 g/cm3(Predicted)
storage temp.  water-free area
solubility  Chloroform (Slightly)
form  Powder
color  White to almost white
Water Solubility  Decomposition
Sensitive  Moisture Sensitive
Detection Methods T
Merck  14,5391
BRN  1024888
InChI InChI=1S/C14H14O2P2S4/c1-15-11-3-7-13(8-4-11)17(19)21-18(20,22-17)14-9-5-12(16-2)6-10-14/h3-10H,1-2H3
InChIKey CFHGBZLNZZVTAY-UHFFFAOYSA-N
SMILES S1P(=S)(C2=CC=C(OC)C=C2)SP1(=S)C1=CC=C(OC)C=C1
CAS DataBase Reference 19172-47-5(CAS DataBase Reference)
Storage Precautions Store under nitrogen;Moisture sensitive
EPA Substance Registry System 19172-47-5(EPA Substance)

Safety Data

Hazard Codes  Xn-F,Xi
Risk Statements 
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 the respiratory system.
Safety Statements 
S8:Keep container dry .
S43:In case of fire, use ... (indicate in the space the precise type of fire-fighting equipment. If water increases the risk add-Never use water) .
S36/37:Wear suitable protective clothing and gloves .
S22:Do not breathe dust .
S38:In case of insufficient ventilation, wear suitable respiratory equipment .
RIDADR  3278
WGK Germany  3
13-21
TSCA  Yes
HazardClass  4.3
PackingGroup  III
HS Code  29349990

Hazard Information

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