[A14530] CAS 19172-47-5 | Lawesson’s Reagent, 97% | Alfa
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Brand: Alfa Aesar
19172-47-5 | C14H14O2P2S4 | lawesson’s reagent
Chemical Identifiers
CAS
19172-47-5
Molecular Weight (g/mol)
404.45
Synonym
lawesson’s reagent
SMILES
COC1=CC=C(C=C1)P1(=S)SP(=S)(S1)C1=CC=C(OC)C=C1
InChI Key
CFHGBZLNZZVTAY-UHFFFAOYSA-N
Molecular Formula
C14H14O2P2S4
IUPAC Name
bis(4-methoxyphenyl)-1,3,2λ⁵,4λ⁵-dithiadiphosphetane-2,4-dithione
Specifications
Appearance (Color)
White to pale cream or pale yellow
Assay (Aqueous acid-base Titration)
≥96.0 to ≤104.0%
Form
Crystals or powder or crystalline powder
Melting Point
218-226?C
설명
Lawesson’s reagent is a thiation agent used to convert carbonyl compounds into thiocarbonyls. It is also used to thionate enones, esters, lactones, amides, lactams and quinones. Further, it is used to prepare thiols from alcohols. It is associated with silver perchlorate and utilized as and oxophilic Lewis acid catalyst for Diels-Alder reaction of dienes with alfa, beta-unsaturated aldehydes.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Applications
Lawesson′s reagent is a thiation agent used to convert carbonyl compounds into thiocarbonyls. It is also used to thionate enones, esters, lactones, amides, lactams and quinones. Further, it is used to prepare thiols from alcohols. It is associated with silver perchlorate and utilized as and oxophilic Lewis acid catalyst for Diels-Alder reaction of dienes with alfa, beta-unsaturated aldehydes.
Lawesson′s reagent is a thiation agent used to convert carbonyl compounds into thiocarbonyls. It is also used to thionate enones, esters, lactones, amides, lactams and quinones. Further, it is used to prepare thiols from alcohols. It is associated with silver perchlorate and utilized as and oxophilic Lewis acid catalyst for Diels-Alder reaction of dienes with alfa, beta-unsaturated aldehydes.
Solubility
Insoluble in water.
Notes
Incompatible with strong oxidizing agents.
Other References:
Merck Index:14,5391UN Number:UN3134Beilstein:1024888
GHS Hazard and Precautionary Statements
Hazard Statements:H261
GHS H StatementH331-H261-H302-H315-H319-H335Toxic if inhaled.In contact with water releases flammable gas.Harmful if swallowed.Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.
Precautionary Statements:P223-P231+P232-P280-P335+P334-P370+P378q-P501c
Risk & Safety
TSCA:Yes
경고:RUO – Research Use Only
CAS19172-47-5FORMULAC14H14O2P2S4HAZARD CLASS4.3EINECS242-855-4MDLMFCD00005171PACKAGING GROUPII
| Pakage | 100g, 25g, 5g, 500g |
|---|---|
| brand | Alfa Aesar |
