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Substance Name: Hymexazol [BSI:ISO]
RN: 10004-44-1
UNII: 20T2M875LO
InChIKey: KGVPNLBXJKTABS-UHFFFAOYSA-N

Note

  • A chemical used to sterilize soil.

Molecular Formula

  • C4-H5-N-O2

Molecular Weight

  • 99.0885
 

Classification Codes

  • Agricultural Chemical
  • Fungicide, Bactericide, Wood Preservative
  • Growth Regulator / Fertilizer
  • Mutation Data
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Names and Synonyms

Name of Substance

  • Bucide
  • Hymexazol [BSI:ISO]

Synonyms

  • 3(2H)-Isoxazolone, 5-methyl-
  • 3-Hydroxy-5-methylisoxazole
  • 3-Isoxazolol, 5-methyl-
  • 5-Methyl-3(2H)-isoxazolone
  • 5-Methyl-3-hydroxyisoxazole
  • 5-Methylisoxazol-3-ol
  • Bucid
  • Bucide
  • Butsid
  • EINECS 233-000-6
  • F 319
  • F-319
  • Hydroxyisoxazole
  • Hydroxyisoxazole (pesticide)
  • Hymexazol
  • Hymexazole
  • Isoxazole, 3-hydroxy-5-methyl-
  • Itachigarden
  • NSC 217971
  • SF-6505
  • Tachigaren
  • UNII-20T2M875LO

Systematic Names

  • 3(2H)-Isoxazolone, 5-methyl-
  • 3-Hydroxy-5-methylisoxazole
  • Isoxazole, 3-hydroxy-5-methyl-

Registry Numbers

CAS Registry Number

  • 10004-44-1

FDA UNII

  • 20T2M875LO

Other Registry Number

  • 128907-24-4

System Generated Number

  • 0010004441

Structure Descriptors

InChI

1S/C4H5NO2/c1-3-2-4(6)5-7-3/h2H,1H3,(H,5,6)

InChIKey

KGVPNLBXJKTABS-UHFFFAOYSA-N

Smiles

Cc1cc(=O)[nH]o1

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
chicken LD50 oral > 1gm/kg (1000mg/kg)   Pesticide Manual. Vol. 9, Pg. 481, 1991.
mammal (species unspecified) LC50 inhalation > 2gm/m3 (2000mg/m3)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 55(5), Pg. 72, 1990.
mouse LD50 intravenous 445mg/kg (445mg/kg)   Noyaku Kagaku. Pesticide Science. Vol. 2, Pg. 165, 1975.
mouse LD50 oral 1968mg/kg (1968mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C292, 1991.
mouse LD50 skin > 2gm/kg (2000mg/kg)   Japan Pesticide Information. Vol. (40), Pg. 32, 1982.
mouse LD50 subcutaneous 1167mg/kg (1167mg/kg)   Noyaku Kagaku. Pesticide Science. Vol. 2, Pg. 165, 1975.
rabbit LD50 oral > 1gm/kg (1000mg/kg)   Noyaku Kagaku. Pesticide Science. Vol. 2, Pg. 165, 1975.
rabbit LD50 skin > 2gm/kg (2000mg/kg)   Noyaku Kagaku. Pesticide Science. Vol. 2, Pg. 165, 1975.
rat LD50 intravenous > 1gm/kg (1000mg/kg)   Noyaku Kagaku. Pesticide Science. Vol. 2, Pg. 165, 1975.
rat LD50 oral 3112mg/kg (3112mg/kg)   Guide to the Chemicals Used in Crop Protection. Vol. 6, Pg. 302, 1973.
rat LD50 skin > 10gm/kg (10000mg/kg)   Pesticide Manual. Vol. 9, Pg. 481, 1991.
rat LD50 subcutaneous 1884mg/kg (1884mg/kg)   Noyaku Kagaku. Pesticide Science. Vol. 2, Pg. 165, 1975.
rat LD50 unreported 2800mg/kg (2800mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 56(4), Pg. 53, 1991.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 86.5 deg C   EXP
pKa Dissociation Constant 5.92 (none)   EXP
log P (octanol-water) 0.46 (none)   EXP
Water Solubility 8.50E+04 mg/L 25 EXP
Vapor Pressure 0.00137 mm Hg 25 EXP
Henry's Law Constant 2.10E-09 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 2.00E-10 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.