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Search term: SPVXKVOXSXTJOY-UHFFFAOYSA-N (Found by InChIKey (full match))

ChemSpider 2D Image | HYDROGEN SELENIDE | H2Se


  • Molecular FormulaH2Se
  • Average mass80.976 Da
  • Monoisotopic mass81.932175 Da
  • ChemSpider ID518

More details:

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

13940-22-2 [RN]
231-978-9 [EINECS]
7783-07-5 [RN]
Selanyl [ACD/IUPAC Name]
Selenium dihydride
Selenyl [ACD/Index Name]
14681-72-2 [RN]

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

CHEBI:16503 [DBID]
NSC605850 [DBID]
NSC605851 [DBID]
NSC605852 [DBID]
Selenium, powder, -325 Mesh, amorphous [DBID]
  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Appearance:

      Colorless gas with an odor resembling decayed horseradish. [Note: Shipped as a liquefied compressed gas.] NIOSH MX1050000
    • Toxicity:

      Inorganic Compound; Non-Metal; Selenium Compound; Pollutant; Food Toxin; Metabolite; Industrial/Workplace Toxin; Synthetic Compound Toxin, Toxin-Target Database T3D1834
    • First-Aid:

      Eye: Frostbite Skin: Frostbite Breathing: Respiratory support NIOSH MX1050000
    • Exposure Routes:

      inhalation, skin and/or eye contact NIOSH MX1050000
    • Symptoms:

      Irritation eyes, nose, throat; nausea, vomiting, diarrhea; metallic taste, garlic breath; dizziness, lassitude (weakness, exhaustion); liquid: frostbite; in animals: pneumonitis; liver damage NIOSH MX1050000
    • Target Organs:

      Eyes, respiratory system, liver NIOSH MX1050000
    • Incompatibility:

      Strong oxidizers, acids, water, halogenated hydrocarbons NIOSH MX1050000
    • Personal Protection:

      Skin: Frostbite Eyes: Frostbite Wash skin: No recommendation Remove: When wet (flammable) Change: No recommendation Provide: Frostbite wash NIOSH MX1050000
    • Exposure Limits:

      NIOSH REL : TWA 0.05 ppm (0.2 mg/m 3 ) OSHA PEL : TWA 0.05 ppm (0.2 mg/m 3 ) NIOSH MX1050000
    • Compound Source:

      Aegilops tauschii PlantCyc CPD-678
      Amaranthus hypochondriacus PlantCyc CPD-678
      Amborella trichopoda PlantCyc CPD-678
      Anacardium occidentale PlantCyc CPD-678
      Ananas comosus PlantCyc CPD-678
      Aquilegia coerulea PlantCyc CPD-678
      Arabidopsis halleri PlantCyc CPD-678
      Arabidopsis lyrata PlantCyc CPD-678
      Arabidopsis thaliana col PlantCyc CPD-678
      Asparagus officinalis PlantCyc CPD-678
      Beta vulgaris subsp. vulgaris PlantCyc CPD-678
      Boechera stricta PlantCyc CPD-678
      Brachypodium distachyon PlantCyc CPD-678
      Brassica napus PlantCyc CPD-678
      Brassica oleracea var. capitata PlantCyc CPD-678
      Brassica oleracea var. oleracea PlantCyc CPD-678
      Brassica rapa FPsc PlantCyc CPD-678
      Brassica rapa subsp. pekinensis PlantCyc CPD-678
      Calotropis gigantea PlantCyc CPD-678
      Camptotheca acuminata PlantCyc CPD-678
      Cannabis sativa PlantCyc CPD-678
      Capsella grandiflora PlantCyc CPD-678
      Capsella rubella PlantCyc CPD-678
      Capsicum annuum PlantCyc CPD-678
      Carica papaya PlantCyc CPD-678
      Catharanthus roseus PlantCyc CPD-678
      Chenopodium quinoa PlantCyc CPD-678
      Chlamydomonas reinhardtii PlantCyc CPD-678
      Chromochloris zofingiensis PlantCyc CPD-678
      Cicer arietinum PlantCyc CPD-678
      Citrus clementina PlantCyc CPD-678
      Citrus sinensis PlantCyc CPD-678
      Coccomyxa subellipsoidea C-169 PlantCyc CPD-678
      Corchorus capsularis PlantCyc CPD-678
      Cucumis sativus PlantCyc CPD-678
      Daucus carota subsp. sativus PlantCyc CPD-678
      Dianthus caryophyllus PlantCyc CPD-678
      Dioscorea rotundata PlantCyc CPD-678
      Eucalyptus grandis PlantCyc CPD-678
      Eutrema salsugineum PlantCyc CPD-678
      Fragaria vesca subsp. vesca PlantCyc CPD-678
      Glycine max PlantCyc CPD-678
      Gossypium raimondii PlantCyc CPD-678
      Helianthus annuus PlantCyc CPD-678
      Hordeum vulgare subsp. vulgare PlantCyc CPD-678
      Humulus lupulus var. lupulus PlantCyc CPD-678
      Kalanchoe fedtschenkoi PlantCyc CPD-678
      Kalanchoe laxiflora PlantCyc CPD-678
      Leersia perrieri PlantCyc CPD-678
      Linum usitatissimum PlantCyc CPD-678
      Lotus japonicus PlantCyc CPD-678
      Malus domestica PlantCyc CPD-678
      Manihot esculenta PlantCyc CPD-678
      Marchantia polymorpha PlantCyc CPD-678
      Medicago truncatula PlantCyc CPD-678
      Micromonas commoda RCC299 PlantCyc CPD-678
      Micromonas pusilla CCMP1545 PlantCyc CPD-678
      Mimulus guttatus PlantCyc CPD-678
      Miscanthus sinensis PlantCyc CPD-678
      Musa acuminata PlantCyc CPD-678
      Nicotiana tabacum PlantCyc CPD-678
      Olea europaea var. sylvestris PlantCyc CPD-678
      Oropetium thomaeum PlantCyc CPD-678
      Oryza brachyantha PlantCyc CPD-678
      Oryza glaberrima PlantCyc CPD-678
      Oryza punctata PlantCyc CPD-678
      Oryza rufipogon PlantCyc CPD-678
      Oryza sativa Japonica Group PlantCyc CPD-678
      Ostreococcus lucimarinus PlantCyc CPD-678
      Panicum hallii PlantCyc CPD-678
      Panicum virgatum PlantCyc CPD-678
      Petunia axillaris PlantCyc CPD-678
      Phaseolus vulgaris PlantCyc CPD-678
      Physcomitrella patens PlantCyc CPD-678
      Populus trichocarpa PlantCyc CPD-678
      Prunus persica PlantCyc CPD-678
      Ricinus communis PlantCyc CPD-678
      Rosa chinensis PlantCyc CPD-678
      Rosa multiflora PlantCyc CPD-678
      Selaginella moellendorffii PlantCyc CPD-678
      selenate reduction PlantCyc CPD-678
      seleno-amino acid biosynthesis PlantCyc CPD-678
      Setaria italica PlantCyc CPD-678
      Setaria viridis PlantCyc CPD-678
      Solanum lycopersicum PlantCyc CPD-678
      Solanum melongena PlantCyc CPD-678
      Solanum pennellii PlantCyc CPD-678
      Solanum tuberosum PlantCyc CPD-678
      Sorghum bicolor PlantCyc CPD-678
      Sphagnum fallax PlantCyc CPD-678
      Spinacia oleracea PlantCyc CPD-678
      Spirodela polyrhiza PlantCyc CPD-678
      Thellungiella parvula PlantCyc CPD-678
      Theobroma cacao PlantCyc CPD-678
      Trifolium pratense PlantCyc CPD-678
      Triticum aestivum PlantCyc CPD-678
      Triticum urartu PlantCyc CPD-678
      Vitis vinifera PlantCyc CPD-678
      Volvox carteri PlantCyc CPD-678
      Zea mays subsp. mays PlantCyc CPD-678
      Zostera marina PlantCyc CPD-678
    • Bio Activity:

      glutathioselenol + NADPH + H+ -> hydrogen selenide + glutathione + NADP+ PlantCyc CPD-678
      hydrogen selenide + glutathione + NADP+ <- glutathioselenol + NADPH + H+ PlantCyc CPD-678
      O-acetyl-L-serine + hydrogen selenide -> L-selenocysteine + acetate + H+ PlantCyc CPD-678

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

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/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
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):  483.96  (Adapted Stein & Brown method)
    Melting Pt (deg C):  194.06  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.17E-009  (Modified Grain method)
    Subcooled liquid VP: 6.97E-008 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):  5.933e+005
       log Kow used: -0.77 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1.4374e+005 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   Incomplete
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.101E-016 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Can Not Estimate (can not calculate HenryLC)

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7090
   Biowin2 (Non-Linear Model)     :   0.8652
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0202  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7309  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4712
   Biowin6 (MITI Non-Linear Model):   0.5469
 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):  9.29E-006 Pa (6.97E-008 mm Hg)
  Log Koa (): not available
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.323 
       Octanol/air (Koa) model:  not available
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.921 
       Mackay model           :  0.963 
       Octanol/air (Koa) model:  not available

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  65.0000 E-12 cm3/molecule-sec
      Half-Life =     0.165 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.975 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.942 (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: -0.77 (estimated)

 Volatilization from Water:
    Henry LC:  2.1E-016 atm-m3/mole  (calculated from VP/WS)
    Half-Life from Model River: 2.507E+012  hours   (1.045E+011 days)
    Half-Life from Model Lake : 2.735E+013  hours   (1.14E+012 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       8.59e-008       3.95         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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