Lawesson's reagent
Preliminary reference disclaimer
This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.
Preliminary safety reference
Available
Supplier-issued SDS
Available by request
COA
Available by RFQ / lot confirmation
Transport classification
Requires shipment review
CAS Number
19172-47-5
Chemical name
Lawesson's reagent
Molecular formula
C14H14O2P2S4
Molecular weight
404.5 g/mol
Synonyms
1,3,2,4-Dithiadiphosphetane, 2,4-bis(4-methoxyphenyl)-, 2,4-disulfide; P-Anisyldithiophosphonic anhydride; Lawesson reagent; 2,4-Bis(4-methoxyphenyl)-1,3,2,4-dithiadiphosphetane 2,4-disulfide; Lawessons reagent; Lawesson' reagent; 2,4-Bis(4-methoxyphenyl)-2,4-dithioxo-1,3,2,4-dithiadiphosphetane; 2,4-Bis(4-methoxyphenyl)-1,3-dithia-2,4-diphosphetane 2,4-disulfide; 2,4-Bis(4-methoxyphenyl)-1,3,2,4-dithiadiphosphetane-2,4-disulfide; 2,4-Bis(4-methoxyphenyl)-1,3-dithia-2,4-diphosphetane 2,4-disulphide; 2,4-bis(4-methoxyphenyl)-1,3,2,4-dithiadiphosphetane-2,4-dithione; 2,4-Bis(4-methoxyphenyl)-1,3,2,4-dithiaphosphetane-2,4-disulfide
InChIKey
CFHGBZLNZZVTAY-UHFFFAOYSA-N
PubChem CID
87949
Signal word
Danger
Catalog reference cue; confirm supplier documentation before use.
Hazard statements
H261, H301
Catalog reference cue; confirm supplier documentation before use.
Appearance
Off-white, light yellow, or light brown powder with a stench; [Sigma-Aldrich MSDS]
Catalog reference value; verify against supplier SDS before use.
XLogP
6.1
Catalog reference value; verify against supplier SDS before use.
Shipment review
Shipment details require review before fulfillment.
Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.