Hymexazol
Names
[ CAS No. ]:
10004-44-1
[ Name ]:
Hymexazol
[Synonym ]:
Hydroxyisoxazole
5-methyl-3-isoxazolol
Tachigaren
3(2H)-isoxazolone, 5-methyl-, compd. with 5-methyl-3-isoxazolol (1:1)
Bucide
Itachigarden
Hymexazole
5-Methylisoxazol-3(2H)-one
5-methylisoxazol-3-ol
3-Hydroxy-5-Methylisoxazole
MFCD00144468
5-methyl-1,2-oxazol-3-ol
5-methyl-3(2H)-isoxazolone
Hymexazol
5-methyl-3-hydroxyisoxazole
5-methyl-1,2-oxazol-3-one
EINECS 233-000-6
Chemical & Physical Properties
[ Density]:
1.185 g/cm3
[ Boiling Point ]:
228.2ºC at 760 mmHg
[ Melting Point ]:
80°C
[ Molecular Formula ]:
C4H5NO2
[ Molecular Weight ]:
198.176
[ Flash Point ]:
91.8ºC
[ Exact Mass ]:
198.064056
[ PSA ]:
46.00000
[ LogP ]:
0.27630
[ Vapour Pressure ]:
0.0493mmHg at 25°C
[ Index of Refraction ]:
1.467
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- NY2932000
- CHEMICAL NAME :
- Isoxazole, 3-hydroxy-5-methyl-
- CAS REGISTRY NUMBER :
- 10004-44-1
- LAST UPDATED :
- 199312
- DATA ITEMS CITED :
- 14
- MOLECULAR FORMULA :
- C4-H5-N-O2
- MOLECULAR WEIGHT :
- 99.10
- WISWESSER LINE NOTATION :
- T5NOJ C1 EQ
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 3112 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >10 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1884 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >1 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Unreported
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2800 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1968 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- >2 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1167 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 445 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- >1 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- >2 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Bird - chicken
- DOSE/DURATION :
- >1 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Mammal - species unspecified
- DOSE/DURATION :
- >2 gm/m3
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
MUTATION DATA
- TYPE OF TEST :
- Mutation test systems - not otherwise specified
- TEST SYSTEM :
- Microorganism - not otherwise specified
- DOSE/DURATION :
- 3 mg/L
- REFERENCE :
- NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 8,173,1983
Safety Information
[ Hazard Codes ]:
Xi;Xn
[ Risk Phrases ]:
R22
[ Safety Phrases ]:
S26-S39-S61
[ WGK Germany ]:
3
[ RTECS ]:
NY2932000
[ HS Code ]:
2934999024
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2934999024
[ Summary ]:
HS:2934999024 5-methylisoxazol-3(2h)-one VAT:17.0% Tax rebate rate:9.0% Supervision conditions:S MFN tariff:6.5% General tariff:20.0%