241555

Phosphorus triiodide

99%

• Synonym(s): Phosphorus(III) iodide
• Linear Formula: PI₃
• CAS Number: 13455-01-1
• Molecular Weight: 411.69
• EC Number: 236-647-2
• MDL number: MFCD00011442
• UNSPSC Code: 12352302
• PubChem Substance ID: 24854489
• NACRES: NA.23

Properties

• Assay: 99%
• form: solid
• mp: 61 °C (lit.)
• density: 4.18 g/mL at 25 °C (lit.)
• SMILES string: IP(I)I
• InChI: 1S/I3P/c1-4(2)3
• InChI key: PZHNNJXWQYFUTD-UHFFFAOYSA-N

Description

General description

Phosphorus triiodide (PI₃) is a trihalide of phosphorus that can be used as a deactivator and a deoxygenating agent.

Application

PI₃ is used in the synthesis of black phosphate crystal, which can be used as a semiconducting material for optoelectronic applications. It is also a source of triiodide that can be utilized as a charge carrier in electrolytes for dye sensitized solar cells.

Safety Information

• Pictograms: GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H314,H335
• Precautionary Statements: P260 - P271 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Skin Corr. 1B - STOT SE 3
• Target Organs: Respiratory system
• Supplementary Hazards: EUH014
• Storage Class Code: 8A - Combustible corrosive hazardous materials
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves