Sodium Na structure – Flashcards

Flashcard maker : Isabella Parker

Molecular Formula Na
Average mass 22.990 Da
Density
Boiling Point
Flash Point
Molar Refractivity
Polarizability
Surface Tension
Molar Volume
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      98 °C Oxford University Chemical Safety Data (No longer updated) More details
      97.82 °C FooDB FDB003523
    • Experimental Boiling Point:

      881 °C Oxford University Chemical Safety Data (No longer updated) More details
    • Experimental Flash Point:

      43 °C Oxford University Chemical Safety Data (No longer updated) More details
  • Miscellaneous
    • Appearance:

      light, soft silver metal, readily tarnishing in air. Oxford University Chemical Safety Data (No longer updated) More details
    • Stability:

      Reacts violently with water, liberating and possibly igniting hydrogen.Flammable solid. Incompatible with water, strong oxidizing agents.Do not store near oxidants. Store under oil, or dry inert gas.
      Air sensitive. Oxford University Chemical Safety Data (No longer updated) More details
    • Toxicity:

      IPR-MUS LD50 4000 mg kg-1 Oxford University Chemical Safety Data (No longer updated) More details
    • Safety:

      1/2-5-8-43-45 Alfa Aesar 10336, 10340, 10342
      14/15-34 Alfa Aesar 10336, 10340, 10342, 42449, 43068
      23-26-36/37/39-45 Alfa Aesar 13832, 14212, 14400, 35554, 88097
      34 Alfa Aesar 13832, 14212, 14400, 35554, 88097
      5-8-43-45 Alfa Aesar 10336, 10340, 10342, 42449, 43068
      7/8-26-36/37/39-43-45-60 Alfa Aesar 10336, 10340, 10342
      CAUTION: May be harmful if swallowed Alfa Aesar 41696
      DANGER: FLAMMABLE, burns skin and eyes Alfa Aesar 10336, 10340, 10342, 13431, 43068
      DANGER: Water reactive, flammable, burns skin and eyes Alfa Aesar L13285
      Safety glasses. Protect from air and water. Do not usewater extinguishers on sodium fires! Oxford University Chemical Safety Data (No longer updated) More details
      WARNING: CORROSIVE, burns skin and eyes Alfa Aesar 13832, 14400, 35554
      WARNING: CORROSIVE, irritates skin and eyes Alfa Aesar 13832, 14400, 35554, 88097
      WARNING: Irritates lungs, eyes, skin Alfa Aesar 14212, 42449

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

Density:
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction:
Molar Refractivity:
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations:
ACD/LogP:
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: 0 Å2
Polarizability:
Surface Tension:
Molar Volume:

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): 679.41 (Adapted Stein & Brown method)
 Melting Pt (deg C): 296.40 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 3.64E-019 (Modified Grain method)
 MP (exp database): 97.82 deg C
 BP (exp database): 881.4 deg C
 Subcooled liquid VP: 1.86E-018 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): 4.452e+005
 log Kow used: -0.77 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 40809 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
 Class(es) found:
 Neutral Organics

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 2.45E-002 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 2.473E-026 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: -0.77 (KowWin est)
 Log Kaw used: 0.001 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): -0.771
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.7366
 Biowin2 (Non-Linear Model) : 0.9360
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 3.1484 (weeks )
 Biowin4 (Primary Survey Model) : 3.8146 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.6437
 Biowin6 (MITI Non-Linear Model): 0.8655
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.8361
 Ready Biodegradability Prediction: YES

Hydrocarbon Biodegradation (BioHCwin v1.01):
 Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
 Vapor pressure (liquid/subcooled): 2.48E-016 Pa (1.86E-018 mm Hg)
 Log Koa (Koawin est ): -0.771
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.21E+010 
 Octanol/air (Koa) model: 4.16E-014 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 1 
 Mackay model : 1 
 Octanol/air (Koa) model: 3.33E-012 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 0.0000 E-12 cm3/molecule-sec
 Half-Life = -------
 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 : 14.3
 Log Koc: 1.155 

 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: 0.23 (estimated)

 Volatilization from Water:
 Henry LC: 0.0245 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 2.53 hours
 Half-Life from Model Lake : 2.53 hours

 Removal In Wastewater Treatment:
 Total removal: 90.51 percent
 Total biodegradation: 0.02 percent
 Total sludge adsorption: 0.39 percent
 Total to Air: 90.09 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 38.1 1e+005 1000 
 Water 55.7 360 1000 
 Soil 6.05 720 1000 
 Sediment 0.102 3.24e+003 0 
 Persistence Time: 182 hr




 

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