Phenylphosphonic Acid , >98.0% , 1571-33-1

Synonym(s):
Benzene phosphonic acid

CAS NO.：1571-33-1

Empirical Formula: C6H7O3P

Molecular Weight: 158.09

MDL number: MFCD00002136

EINECS: 216-388-1

PRODUCT Properties

• Melting point: 162-164 °C (lit.)
• Boiling point: 241-243 °C(lit.)
• Density: 1.412 g/mL at 25 °C(lit.)
• vapor pressure: 0-0Pa at 20-25℃
• refractive index: n20/D 1.523(lit.)
• Flash point: >230 °F
• storage temp.: Sealed in dry,Room Temperature
• pka: pK1:1.83;pK2:7.07 (25°C)
• form: Crystalline Powder
• color: White to off-white
• Water Solubility: 40.4 g/100 mL (25 ºC)
• BRN: 2245168
• InChI: 1S/C6H7O3P/c7-10(8,9)6-4-2-1-3-5-6/h1-5H,(H2,7,8,9)
• InChIKey: QLZHNIAADXEJJP-UHFFFAOYSA-N
• SMILES: OP(O)(=O)c1ccccc1
• LogP: -3.3-0.086 at 20-25℃ and pH4-7
• Surface tension: 71.2mN/m at 1g/L and 20℃
• CAS DataBase Reference: 1571-33-1(CAS DataBase Reference)
• EPA Substance Registry System: Phosphonic acid, phenyl- (1571-33-1)

Description and Uses

Intermediate in antifouling paint agents; catalyst in organic reactions.

Safety

• Symbol(GHS): GHS05,GHS07
• Signal word: Danger
• Hazard statements: H302-H314
• Precautionary statements: P260-P270-P280-P301+P312-P303+P361+P353-P305+P351+P338
• PPE: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
• Hazard Codes: C,Xn
• Risk Statements: 34-37-41-37/38-22-38
• Safety Statements: 26-39-37/39-45-36/37/39
• RIDADR: UN 3265 8/PG 2
• WGK Germany: 3
• RTECS: TD4393000
• F: 10
• TSCA: TSCA listed
• HazardClass: 8
• PackingGroup: III
• HS Code: 29319090
• Storage Class: 8A - Combustible corrosive hazardous materials
• Hazard Classifications: Acute Tox. 4 Oral; Skin Corr. 1B
• Toxicity: mouse,LD50,intraperitoneal,110mg/kg (110mg/kg),"Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. Vol. 2, Pg. 55, 1950.
• REACH Registrations: Active
• Limited Quantities: 5.0 kg (11 lbs) (solid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)