Lawesson reagent

• Catalog No.: 227439
• CAS Number: 19172-47-5
• M. F.: C14H14O2P2S4
• M. W.: 404.467282
• Purity: 97%

SYNONYMS

• Title: Lawesson 试剂
• IUPAC name: bis(4-methoxyphenyl)-1,3,2λ^5,4λ^5-dithiadiphosphetane-2,4-dithione
• IUPAC Traditional name: lawesson's reagent
• Synonyms: LR; 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; 4-Methoxyphenylthiophosphoric cyclic di(thioanhydride); 4-甲氧基苯基硫代磷环二(硫代酸酐)

DATABASE IDS

• CAS Number: 19172-47-5
• Beilstein Number: 1024888
• PubChem SID: 24853631
• EC Number: 242-855-4
• MDL Number: MFCD00005171

PROPERTIES

• Empirical Formula (Hill Notation): C14H14O2P2S4
• Purity: 97%
• Melting Point: 228-230 °C(lit.)
• GHS Signal Word: Danger
• GHS Hazard statements: H261
• European Hazard Symbols: Flammable (F)
• GHS Precautionary statements: P231 + P232-P422
• Risk Statements: 15/29
• Safety Statements: 7/8-43
• German water hazard class: 3

DETAILS

Description (English)

Application
Thiation reagent used recently to generate tropothione in situ at room temperature and trapping it with dieneophiles.1
Packaging
10, 25, 100 g in glass bottle

Description (简体中文)

Application
近来用于室温下原位生成 tropothione 并使用二烯亲合体捕集的硫杂化试剂。1
包装
10, 25, 100 g in glass bottle