ChemSpider 2D Image | Dithiodiphosphoric acid | H4O5P2S2

Dithiodiphosphoric acid

  • Molecular FormulaH4O5P2S2
  • Average mass210.106 Da
  • Monoisotopic mass209.897537 Da
  • ChemSpider ID2339880

More details:

Validated by Experts, Validated by Users, Non-Validated, Removed by Users

36558-41-5 [RN]
Acide dithiodiphosphorique [French] [ACD/IUPAC Name]
Dithiodiphosphoric acid [ACD/Index Name] [ACD/IUPAC Name]
Dithiodiphosphorsäure [German] [ACD/IUPAC Name]
Thiodiphosphoric acid ([(HO)2P(S)]2O)
THIOPHOSPHORIC ANHYDRIDE
215-242-4 [EINECS]
bis(thiopyrophosphoric acid)
Bisthiopyrophosphate
THIODIPHOSPHORIC ACID (((HO)2P(S))2O)

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density: 2.4±0.1 g/cm3
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction: 1.805
Molar Refractivity: 38.2±0.3 cm3
#H bond acceptors: 5
#H bond donors: 4
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: -2.21
ACD/LogD (pH 5.5):
ACD/BCF (pH 5.5):
ACD/KOC (pH 5.5):
ACD/LogD (pH 7.4):
ACD/BCF (pH 7.4):
ACD/KOC (pH 7.4):
Polar Surface Area: 174 Å2
Polarizability: 15.1±0.5 10-24cm3
Surface Tension: 228.7±3.0 dyne/cm
Molar Volume: 89.0±3.0 cm3

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

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  1.79

 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):  2.06E-011  (Modified Grain method)
    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):  1145
       log Kow used: 1.79 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  5265.6 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Surfactants-anionic

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.77E-017  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.974E-015 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.79  (KowWin est)
  Log Kaw used:  -14.812  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  16.602
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6475
   Biowin2 (Non-Linear Model)     :   0.5063
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7349  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5446  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.0871
   Biowin6 (MITI Non-Linear Model):   0.0282
 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  ): 16.602
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  257 
       Octanol/air (Koa) model:  9.82E+003 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 106.5600 E-12 cm3/molecule-sec
      Half-Life =     0.100 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.205 Hrs
   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    :  21.44
      Log Koc:  1.331 

 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 = 0.680 (BCF = 4.781)
       log Kow used: 1.79 (estimated)

 Volatilization from Water:
    Henry LC:  3.77E-017 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.251E+013  hours   (9.379E+011 days)
    Half-Life from Model Lake : 2.456E+014  hours   (1.023E+013 days)

 Removal In Wastewater Treatment:
    Total removal:               2.09  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     2.00  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       3.86e-006       2.41         1000       
   Water     27.1            900          1000       
   Soil      72.8            1.8e+003     1000       
   Sediment  0.0842          8.1e+003     0          
     Persistence Time: 1.32e+003 hr

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