Phenylphosphonic Dichloride , 98% , 824-72-6

Synonym(s):
Dichlorophenylphosphine oxide;Phenylphosphonyl dichloride;Phenylphosphoryl dichloride;P,P-Dichlorophenylphosphine oxide;Benzenephosphonic dichloride

CAS NO.：824-72-6

Empirical Formula: C6H5Cl2OP

Molecular Weight: 194.98

MDL number: MFCD00002070

EINECS: 212-534-3

PRODUCT Properties

• Melting point: 3 °C(lit.)
• Boiling point: 258 °C(lit.)
• Density: 1.375 g/mL at 25 °C(lit.)
• vapor pressure: 2.36Pa at 25℃
• refractive index: n20/D 1.559(lit.)
• Flash point: >230 °F
• storage temp.: Store below +30°C.
• solubility: Miscible with benzene, chloroform, dimethyl sulfoxide and carbon tetrachloride.
• form: Liquid
• Specific Gravity: 1.394 (25℃)
• color: Clear yellow to brown
• Water Solubility: reacts
• Sensitive: Moisture Sensitive
• λmax: 267nm(Cyclohexane)(lit.)
• BRN: 1072240
• Dielectric constant: 26.0
• InChIKey: IBDMRHDXAQZJAP-UHFFFAOYSA-N
• LogP: 1.089 at 20℃
• CAS DataBase Reference: 824-72-6(CAS DataBase Reference)
• NIST Chemistry Reference: Phosphonic dichloride, phenyl-(824-72-6)
• EPA Substance Registry System: Phosphonic dichloride, P-phenyl- (824-72-6)

Description and Uses

Phenylphosphonic dichloride is used in the preparation of 2-phenyl-[1,3,2]dioxaphosphepane-2-oxide. Further, it acts as an effective reagent for the chlorinative dehydration of some heterocycles.

Safety

• Symbol(GHS): GHS05,GHS07
• Signal word: Danger
• Hazard statements: H302-H314-H335
• Precautionary statements: P261-P270-P280-P301+P312-P303+P361+P353-P305+P351+P338
• Hazard Codes: C
• Risk Statements: 14-34-37
• Safety Statements: 26-45-8-36/37/39
• RIDADR: UN 3265 8/PG 2
• WGK Germany: 3
• TSCA: Yes
• HazardClass: 8
• PackingGroup: II
• HS Code: 29310095
• Toxicity: LD50 orally in Rabbit: 681 mg/kg
• Limited Quantities: 1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)