Lawesson's Reagent, 99%

Product Code.	Quantity	Packaging	unitSize
10582611	25 g	Glass bottle	25g
10124840	100 g	Glass bottle	100g
11328901	500 g	Glass bottle	500g

Product Code. 10582611

Brand: Thermo Scientific Acros 210890250

Description

CAS: 19172-47-5 | C14H14O2P2S4 | 404.452 g/mol

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

For C-S bond formation

Specifications

Chemical Identifiers

• CAS: 19172-47-5
• Molecular Formula: C14H14O2P2S4
• Molecular Weight (g/mol): 404.452
• InChI Key: CFHGBZLNZZVTAY-UHFFFAOYSA-N
• Synonym: lawesson's reagent, lawesson reagent, 2,4-bis 4-methoxyphenyl-1,3,2,4-dithiadiphosphetane 2,4-disulfide, unii-a4125mq8rx, 1,3,2,4-dithiadiphosphetane, 2,4-bis 4-methoxyphenyl-, 2,4-disulfide, 2,4-bis 4-methoxyphenyl-2,4-dithioxo-1,3,2,4-dithiadiphosphetane, 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-disulfide, 2,4-bis 4-methoxyphenyl-1,3-dithia-2,4-diphosphetane 2,4-disulphide, 4-methoxyphenylthiophosphoric cyclic di thioanhydride
• PubChem CID: 87949
• IUPAC Name: 2,4-bis(4-methoxyphenyl)-2,4-bis(sulfanylidene)-1,3,2$l^{5},4$l^{5}-dithiadiphosphetane
• SMILES: COC1=CC=C(C=C1)P2(=S)SP(=S)(S2)C3=CC=C(C=C3)OC

• Color: White
• Melting Point: 228.0°C to 231.0°C
• Assay Percent Range: 99%
• Fieser: 10,39; 12,59; 13,38; 15,37; 16,37
• Solubility Information: Solubility in water: decomposes.
• Formula Weight: 404.45
• Percent Purity: 99%
• Packaging: Glass bottle
• Quantity: 25 g
• Physical Form: Powder
• Chemical Name or Material: Lawesson's Reagent

Safety and Handling

Product Identifier

• Lawesson''s Reagent

Signal Word

• Danger

Hazard Category

• Substance which\, in contact with water\, emits flammable gases Category 2

Hazard Statement

• H261-In contact with water releases flammable gases.
• EUH029-Contact with water liberates toxic gas.

Precautionary Statement

• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P231+P232-Handle under inert gas. Protect from moisture.
• P335+P334-Brush off loose particles from skin Immerse in cool water/wrap in wet bandages.
• P314-Get medical advice/attention if you feel unwell.

SDS

RUO – Research Use Only