19172-47-5
19172-47-5 structure
- Name: 2,4-Bis(4-methoxyphenyl)-1,3,2,4-dithiadiphosphetane 2,4-disulfide
- Chemical Name: Lawesson's Reagent
- CAS Number: 19172-47-5
- Molecular Formula: C14H14O2P2S4
- Molecular Weight: 404.467
- Catalog: Organic raw materials Organic sulfur compound
- Create Date: 2018-07-05 19:03:41
- Modify Date: 2026-07-01 16:19:11
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Lawesson's reagent is a thiation agent.
| Name | Lawesson's Reagent |
|---|---|
| Synonyms |
Lawesson'sReagent
Lawesson 2,4-BIS(4-METHOXYPHENYL)-1,3,2,4-DITHIADIPHOSPHETANE-2 Lawesson's 2,4-Bis(4-methoxyphenyl)-1,3-dithia-2,4-diphospha(V)cyclobutane-2,4-dithione 2,4-Bisthiolato-2,4-bis(4-methoxyphenyl)-1,3-dithia-2,4-diphospha(V)cyclobutane-2,4-diylium 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-DISULFIDE Lawesson Reagent 4-methoxyphenylthionophosphine sulfide dimer bis(4-methoxyphenyl)-1,3,2lambda5,4lambda5-dithiadiphosphetane-2,4-dithione P-METHOXYPHENYLTHIONOPHOSPHINE SULFIDE DIMER 2,4-bis(4-methoxyphenyl)-2,4-disulfanylene-1,3,2,4-dithiadiphosphetane 2,4-bis(4-methoxyphenyl)-2,4-bis(sulfanylidene)-1,3,2 1,3,2,4-Dithiadiphosphetane, 2,4-bis(4-methoxyphenyl)-, 2,4-disulfide 2,4-Bis(methoxyphenyl)-1,3-dithia-2,4-diphosphetane-2,4-disulfide Lawesson‘s 4-Methoxyphenylthionophosphine sulfide dimer 2,4-Bis(4-methoxyphenyl)-2,4-dithioxo-1,3,2,4-dithiadiphosphetane AURORA KA-1707 2,4-Bis(4-methoxyphenyl)-2,4-dithioxo-1,3,2,4- dithiadiphosphetane l^,4 p-Methoxyphenylthionophosphine sulfide 2,4-Bis-(4-methoxy-phenyl)-[1,3,2,4]dithiadiphosphetane 2,4-disulfide 2,4-Bis(4-methoxyphenyl)-1,3-dithia-2,4-diphosphacyclobutane-2,4-dithione 4-METHOXYPHENYLTHIOPHOSPHORIC CYCLIC DI(THIOANHYDRIDE) Lawesson , 2,4-Bis(4-methoxyphenyl)-1,3,2,4-dithiadiphosphetane 2,4-disulphide LAWESSON'S 2,4-BIS(4-METHOXYPHENYL)-2,4-DITHIOXO-1 awesson's Reag MFCD00005171 Lawesson's ISO 9001：2015 REACH P-METHOXYPHENYLTHIOPHOSPHINE SULFIDE, DIMER Lawesson'sReagen Lawessons 2,4-DI(4-METHOXYPHENYL)-1,3,2LAMBDA-5,4LAMBDA-5-DITHIADIPHOSPHETANE-2,4-DITHIONE l^{5}-dithiadiphosphetane-2,4-dithione 1,3,2,4-dithiadiphosphetane,2,4-bis(4-methoxyphenyl)-,2,4-disulfide 2,4-Bis(p-methoxyphenyl)-1,3,2,4-dithiadiphosphetane-2,4-dithione 2,4-Bis(4-methoxyphenyl)-1,3-dithia-2,4-diphosphetane 2,4-Disulfide 4-Methoxyphenylthiophosphoric cyclic di(thioanhydride) 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 Lawesson's [Sulfurating ]> 1,3-Bis(4-methoxyphenyl)-2,4-dithia-1,3-diphospha(V)cyclobutane-1,3-dithione Lawesson's [Sulfurating ] EINECS 242-855-4 awesson's 2,4-BIS(4-METHOXYPHENYL)-1,3-DITHIA-2,4-DIPHOSPHETANE-2,4-DISULFIDE 2,4-Di(4-methoxyphenyl) -1,3,2lambda~5~,4lambda~5~-dithiadiphosphetane-2, 4-dithione (Lawesson's ) bis(4-Methoxyphenyl)-1,3,2 2,4-BIS(4-METHOXYPHENYL)-2,4-DITHIOXO-1,3,2,4-DITHIADIPHOSPHETANE Lawson’s l^{5}-dithiadiphosphetane 2,4-Bis-(4-methoxyphenyl)-1,3-dithia-2,4-diphosphetane 2,4-disulfide Lawesson`s reagentsulfide dimer 2,4-Bis-[4-methoxyphenyl]-1,3-dithia-2,4-diphosphetane 2,4-disulfide |
| Density | 1.5±0.1 g/cm3 |
|---|---|
| Boiling Point | 525.8±60.0 °C at 760 mmHg |
| Melting Point | 228-230 °C(lit.) |
| Molecular Formula | C14H14O2P2S4 |
| Molecular Weight | 404.467 |
| Flash Point | 271.8±32.9 °C |
| Exact Mass | 403.935181 |
| PSA | 152.86000 |
| LogP | 6.05480 |
| Vapour Pressure | 0.0±1.3 mmHg at 25°C |
| Index of Refraction | 1.706 |
| Storage condition | water-free area |
| Symbol |
GHS02 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H261 |
| Supplemental HS | Contact with water liberates toxic gas. |
| Precautionary Statements | P231 + P232-P422 |
| Hazard Codes | F:Flammable;Xn:Harmful; |
| Risk Phrases | R15/29;R20/21/22 |
| Safety Phrases | S8-S43-S36/37-S22 |
| RIDADR | 3278 |
| WGK Germany | 3 |
| Packaging Group | III |
| Hazard Class | 4.3 |
| HS Code | 2930909090 |
| Precursor 2 | |
|---|---|
| DownStream 10 | |
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |