Hymexazol cas no:10004-44-1

NameHymexazol
CAS10004-44-1
SynonymsButsid;3 (2H)-Isoxazolone, 5-methyl-;5-Methylisoxazol-3-ol;3-Isoxazolol, 5-methyl-;3(2H)-Isoxazolone, 5-methyl- (8CI)(9CI);Itachigarden;3-Hydroxy-5-methylisoxazole;F-319;3(2H)-Isoxazolone, 5-methyl-;Bucid;F 319 (fungicide);Hydroxyisoxazole;F 319;SF-6505;Hydroxyisoxazole (pesticide);Hymexazol [BSI:ISO];Isoxazole, 3-hydroxy-5-methyl-;Tachigaren;3(2H)-Isoxazolone,5-methyl-;5-Methyl-3-hydroxyisoxazole;5-methyloxazol-3-one;Bucide;5-Methylisoxazol-3(2H)-one;
EINECS(EC#)233-000-6
Molecular FormulaC₄H₅NO₂
Molecular Weight99.09

Appearancewhite to red crystalline powder
refractive index1.467
storage temp?70°C
Sensitive Light Sensitive

Hazard Xi；Xn
Risk R22
Safety Moderately toxic by ingestion, subcutaneous and intravenous routes. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.

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