1-Methylguanidine C2H7N3 structure

C2H7N3 structure
Molecular Formula C2H7N3
Average mass 73.097 Da
Density 1.2±0.1 g/cm3
Boiling Point 95.9±23.0 °C at 760 mmHg
Flash Point 11.8±22.6 °C
Molar Refractivity 18.5±0.5 cm3
Polarizability 7.3±0.5 10-24cm3
Surface Tension 44.3±7.0 dyne/cm
Molar Volume 61.3±7.0 cm3

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

Density: 1.2±0.1 g/cm3
Boiling Point: 95.9±23.0 °C at 760 mmHg
Vapour Pressure: 44.5±0.2 mmHg at 25°C
Enthalpy of Vaporization: 33.6±3.0 kJ/mol
Flash Point: 11.8±22.6 °C
Index of Refraction: 1.514
Molar Refractivity: 18.5±0.5 cm3
#H bond acceptors: 3
#H bond donors: 4
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: -1.49
ACD/LogD (pH 5.5): -2.98
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -2.98
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 62 Å2
Polarizability: 7.3±0.5 10-24cm3
Surface Tension: 44.3±7.0 dyne/cm
Molar Volume: 61.3±7.0 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) = -1.08
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
Boiling Pt (deg C): 130.88 (Adapted Stein & Brown method)
Melting Pt (deg C): -24.04 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 9.62 (Mean VP of Antoine & Grain methods)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 1e+006
log Kow used: -1.08 (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:
Aliphatic Amines
Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
Bond Method : 5.13E-011 atm-m3/mole
Group Method: Incomplete
Henrys LC [VP/WSol estimate using EPI values]: 9.253E-007 atm-m3/mole
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: -1.08 (KowWin est)
Log Kaw used: -8.678 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 7.598
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.7127
Biowin2 (Non-Linear Model) : 0.8777
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.0376 (weeks )
Biowin4 (Primary Survey Model) : 3.7423 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.4951
Biowin6 (MITI Non-Linear Model): 0.6070
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.7565
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): 1.19E+003 Pa (8.9 mm Hg)
Log Koa (Koawin est ): 7.598
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 2.53E-009 
Octanol/air (Koa) model: 9.73E-006 
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 9.13E-008 
Mackay model : 2.02E-007 
Octanol/air (Koa) model: 0.000778 
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 42.1360 E-12 cm3/molecule-sec
Half-Life = 0.254 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 3.046 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi): 1.47E-007 (Junge,Mackay)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (PCKOCWIN v1.66):
Koc : 38.21
Log Koc: 1.582 
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: -1.08 (estimated)
Volatilization from Water:
Henry LC: 5.13E-011 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 9.758E+006 hours (4.066E+005 days)
Half-Life from Model Lake : 1.064E+008 hours (4.435E+006 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 0.00121 6.09 1000 
Water 39 360 1000 
Soil 61 720 1000 
Sediment 0.0713 3.24e+003 0 
Persistence Time: 579 hr

Click to predict properties on the Chemicalize site

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