1,2-PHENYLENE PHOSPHOROCHLORIDITE
Synonym(s):o-Phenylene chlorophosphite;2-Chloro-1,3,2-benzodioxaphosphole;Chloro(1,2-phenylenedioxy)phosphine;Cyclic o-phenylene phosphorochloridite;Phosphorochloridous acid orthophenylene ester
- CAS NO.:1641-40-3
- Empirical Formula: C6H4ClO2P
- Molecular Weight: 174.52
- MDL number: MFCD00005853
- EINECS: 216-690-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 02:50:23
What is 1,2-PHENYLENE PHOSPHOROCHLORIDITE?
Chemical properties
Colourless Liquid Which Solidifies at Low Temperature
The Uses of 1,2-PHENYLENE PHOSPHOROCHLORIDITE
Highly reactive cyclic phosphitylating reagent which provides fast coupling rates, and hydrolytic cleavage occurs more readily than with acyclic analogs
The Uses of 1,2-PHENYLENE PHOSPHOROCHLORIDITE
- Catalyst in synthesis of bakkane sesquiterpenes
- Reactant in reversible halogen-halogen ligand substitution at room temperature, and in irreversible halogen-O substitution at higher temperatures
- Reactant in preparation of gold(I) trimethoxybenzonitrile phosphine isolated precatalysts
- Reactant for preparation of pyrroles by TMSOTf-catalyzed Arbuzov reaction
- Phosphorylation agent
- Reactant for reparation of vinyl-substituted spirophosphoranes and vinylphosphonates via Markovnikov addition
Properties of 1,2-PHENYLENE PHOSPHOROCHLORIDITE
| Melting point: | 30-35 °C(lit.) |
| Boiling point: | 80 °C20 mm Hg(lit.) |
| Density | 1.466 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | >230 °F |
| storage temp. | 0-6°C |
| solubility | Benzene (Slightly), Chloroform (Slightly) |
| form | solid |
| Sensitive | Moisture Sensitive |
| BRN | 135455 |
| Stability: | Moisture Sensitive |
| CAS DataBase Reference | 1641-40-3(CAS DataBase Reference) |
| EPA Substance Registry System | 1,3,2-Benzodioxaphosphole, 2-chloro- (1641-40-3) |
Safety information for 1,2-PHENYLENE PHOSPHOROCHLORIDITE
| Signal word | Danger |
| Pictogram(s) |
![]() Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P363:Wash contaminated clothing before reuse. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 1,2-PHENYLENE PHOSPHOROCHLORIDITE
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