Hydroxylamine H3NO structure – Flashcards

Flashcard maker : Donna Chou

Molecular Formula H3NO
Average mass 33.030 Da
Density 1.1±0.1 g/cm3
Boiling Point 56.5±9.0 °C at 760 mmHg
Flash Point
Molar Refractivity 7.1±0.3 cm3
Polarizability 2.8±0.5 10-24cm3
Surface Tension 47.3±3.0 dyne/cm
Molar Volume 29.7±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Predicted – Mcule
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      7 °C Alfa Aesar
      33 °C Jean-Claude Bradley Open Melting Point Dataset 22381
      7 °C Alfa Aesar B22202
      7 °C Biosynth J-502073
    • Experimental Boiling Point:

      107-114 °C Alfa Aesar
      107-114 °C Alfa Aesar B22202
      56.5 °C Biosynth J-502073
    • Experimental Flash Point:

    • Experimental Gravity:

      1.12 g/mL Alfa Aesar B22202
    • Experimental Refraction Index:

      1.393 Alfa Aesar B22202
  • Miscellaneous
    • Appearance:

      slightly yellow liquid Oxford University Chemical Safety Data (No longer updated) More details
    • Stability:

      Stable. Incompatible with oxidizing agents, potassium dichromate,chromium trioxide, zinc, calcium, copper, sodium, ammonia, carbonyls,phosphorus halides, pyridine, hypochlorites. Oxford University Chemical Safety Data (No longer updated) More details
    • Safety:

      22-37/38-40-41-43-48/20/21/22-50 Alfa Aesar B22202
      23-26-36/37/39-57 Alfa Aesar B22202
      8 Alfa Aesar B22202
      Danger Alfa Aesar B22202
      DANGER: CORROSIVE, burns skin and eyes Alfa Aesar B22202
      DANGER: CORROSIVE, irritates skin & eyes Alfa Aesar B22202
      H318-H351-H373-H400-H302-H317-H335-H315 Alfa Aesar B22202
      P260-P261-P280-P305+P351+P338-P405-P501a Alfa Aesar B22202
      Safety glasses, gloves, good ventilation. Oxford University Chemical Safety Data (No longer updated) More details

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

Density: 1.1±0.1 g/cm3
Boiling Point: 56.5±9.0 °C at 760 mmHg
Vapour Pressure: 179.1±0.2 mmHg at 25°C
Enthalpy of Vaporization: 34.9±6.0 kJ/mol
Flash Point:
Index of Refraction: 1.395
Molar Refractivity: 7.1±0.3 cm3
#H bond acceptors: 2
#H bond donors: 3
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: -0.81
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: 46 Å2
Polarizability: 2.8±0.5 10-24cm3
Surface Tension: 47.3±3.0 dyne/cm
Molar Volume: 29.7±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) = -1.23

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 520.47 (Adapted Stein & Brown method)
 Melting Pt (deg C): 204.33 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 3.74E-011 (Modified Grain method)
 MP (exp database): 33 deg C
 BP (exp database): 77 @ 60 mm Hg deg C
 VP (exp database): 5.30E+01 mm Hg at 32 deg C
 Subcooled liquid VP: 4.41E-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): 1e+006
 log Kow used: -1.23 (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 : 6.91E-009 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 1.625E-018 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: -1.23 (KowWin est)
 Log Kaw used: -6.549 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 5.319
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.7318
 Biowin2 (Non-Linear Model) : 0.9269
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 3.1262 (weeks )
 Biowin4 (Primary Survey Model) : 3.8001 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.6139
 Biowin6 (MITI Non-Linear Model): 0.8281
 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): 5.88E-009 Pa (4.41E-011 mm Hg)
 Log Koa (Koawin est ): 5.319
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 510 
 Octanol/air (Koa) model: 5.12E-008 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 1 
 Mackay model : 1 
 Octanol/air (Koa) model: 4.09E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 21.0000 E-12 cm3/molecule-sec
 Half-Life = 0.509 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 6.112 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 : 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: -1.23 (estimated)

 Volatilization from Water:
 Henry LC: 6.91E-009 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 4.87E+004 hours (2029 days)
 Half-Life from Model Lake : 5.313E+005 hours (2.214E+004 days)

 Removal In Wastewater Treatment:
 Total removal: 1.85 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 1.75 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 0.816 12.2 1000 
 Water 43.5 360 1000 
 Soil 55.6 720 1000 
 Sediment 0.0795 3.24e+003 0 
 Persistence Time: 425 hr




 

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