## dihydrogenphosphate H_{2}O_{4}P structure

Molecular Formula | H_{2}O_{4}P |

Average mass | 96.988 Da |

Density | |

Boiling Point | 158.0±0.0 °C at 760 mmHg |

Flash Point | |

Molar Refractivity | |

Polarizability | |

Surface Tension | |

Molar Volume |

**Predicted data is generated using the ACD/Labs Percepta Platform – PhysChem Module**

Density: | |

Boiling Point: | 158.0±0.0 °C at 760 mmHg |

Vapour Pressure: | 1.4±0.6 mmHg at 25°C |

Enthalpy of Vaporization: | |

Flash Point: | |

Index of Refraction: | |

Molar Refractivity: | |

#H bond acceptors: | 4 |

#H bond donors: | 3 |

#Freely Rotating Bonds: | 0 |

#Rule of 5 Violations: | 0 |

**Predicted data is generated using the US Environmental Protection Agency’s EPISuite™**

Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = -0.77 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 480.00 (Adapted Stein & Brown method) Melting Pt (deg C): 90.27 (Mean or Weighted MP) VP(mm Hg,25 deg C): 6.09E-011 (Modified Grain method) MP (exp database): 42.35 deg C Subcooled liquid VP: 8.76E-011 mm Hg (25 deg C, Mod-Grain method) Water Solubility Estimate from Log Kow (WSKOW v1.41): Water Solubility at 25 deg C (mg/L): 5.386e+005 log Kow used: -0.77 (estimated) no-melting pt equation used Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 1e+006 mg/L ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Neutral Organics Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 7.60E-015 atm-m3/mole Group Method: Incomplete Henrys LC [VP/WSol estimate using EPI values]: 1.458E-017 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: -0.77 (KowWin est) Log Kaw used: -12.508 (HenryWin est) Log Koa (KOAWIN v1.10 estimate): 11.738 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 0.7009 Biowin2 (Non-Linear Model) : 0.8344 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 2.9826 (weeks ) Biowin4 (Primary Survey Model) : 3.7064 (days-weeks ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.4206 Biowin6 (MITI Non-Linear Model): 0.4247 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): 0.8361 Ready Biodegradability Prediction: NO Hydrocarbon Biodegradation (BioHCwin v1.01): Structure incompatible with current estimation method! Sorption to aerosols (25 Dec C)[AEROWIN v1.00]: Vapor pressure (liquid/subcooled): 1.17E-008 Pa (8.76E-011 mm Hg) Log Koa (Koawin est ): 11.738 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 257 Octanol/air (Koa) model: 0.134 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 1 Mackay model : 1 Octanol/air (Koa) model: 0.915 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 0.4200 E-12 cm3/molecule-sec Half-Life = 25.467 Days (12-hr day; 1.5E6 OH/cm3) Ozone Reaction: No Ozone Reaction Estimation Fraction sorbed to airborne particulates (phi): 1 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 1 Log Koc: 0.000 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]: Rate constants can NOT be estimated for this structure! Bioaccumulation Estimates from Log Kow (BCFWIN v2.17): Log BCF from regression-based method = 0.500 (BCF = 3.162) log Kow used: -0.77 (estimated) Volatilization from Water: Henry LC: 7.6E-015 atm-m3/mole (estimated by Bond SAR Method) Half-Life from Model River: 7.626E+010 hours (3.178E+009 days) Half-Life from Model Lake : 8.32E+011 hours (3.466E+010 days) Removal In Wastewater Treatment: Total removal: 1.85 percent Total biodegradation: 0.09 percent Total sludge adsorption: 1.76 percent Total to Air: 0.00 percent (using 10000 hr Bio P,A,S) Level III Fugacity Model: Mass Amount Half-Life Emissions (percent) (hr) (kg/hr) Air 0.000598 611 1000 Water 38.9 360 1000 Soil 61 720 1000 Sediment 0.0713 3.24e+003 0 Persistence Time: 579 hr

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