Henan Tianfu Chemical Co., Ltd.
China
Product Name: TIANFU-CHEM - Hymexazol
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

10004-44-1

10004-44-1 structure

Name: Hymexazol
Chemical Name: hymexazol
CAS Number: 10004-44-1
Molecular Formula: C₄H₅NO₂
Molecular Weight: 198.176
Catalog: Chemical pesticide Fungicide Azole fungicide
Create Date: 2018-08-25 08:54:23
Modify Date: 2026-06-30 12:29:17

Name	hymexazol
Synonyms	5-methyl-3(2h)-isoxazolon 5-methyl-3-isoxazolol 3-hydroxy-5-methyl-isoxazo Hymexazol Solution in Methanol f-319 Isoxazole, 3-hydroxy-5-methyl 3-HYDROXY-5-METHYLISOXAZOLE Itachioen TIANFU-CHEM - Hymexazol TACHIGALOZE 5-methylisoxazol-3-ol 5-methyl-1,2-oxazol-3-ol bucid 3-hydroxy-5-methyl-isoxazol Hymexazol Solution in Methanol, 100μg/mL 5-methyl-1,2-oxazol-3-one HYMEXAZOL 5-methylisoxazol-3-one Hydroxyisoxazole (pesticide) TACHIGEN 3-hydrooxyl-5-methyl-3-isoxazole 3-Hydroxy-5-methylisoxazole> 5-Methyl-3(2H)-isoxazolone HYMEXAZOLE Hymexazole 5-Methylisoxazol-3(2H)-one hymexazol (bsi,iso) sf-6505 3-Hydroxy-5-Methylisoxazole >= Hymexazol (3-Hydroxy-5-Methylisoxazole) AIZOL HYMEXATE EINECS 233-000-6 3-Isoxazolol, 5-methyl Tachigaren 3(2H)-Isoxazolone, 5-methyl Hymexazol @100 μg/mL in MeOH Bucid(TM) 3-Hydroxy-5-Methylisoxazole MFCD00144468 4-[3,5-BIS(TRIFLUOROMETHYL)PHENYL]-82-THIOSEMICBAZIDE butsid 5-methyl-3-isoxazolone 5-Hydroxy-3-methylisoxazole hydroxyisoxazole (jmaf) 5-methyl-3(2H)-isoxazolone 3-hydroxy-5-methylisoxazole hymexazol 5-methyl-3-hydroxyisoxazole WLN: T5NOJ C1 EQ 5-Methylisoxazol-3(2H) Hydroxyisoxazole Reference Material Hymexazol Solution, 1000ppm 3(2H)-Isoxazolone, 5-methyl- (8CI)(9CI) bucide Hydroxyisoxazole 3(2H)-isoxazolone, 5-methyl-, compd. with 5-methyl-3-isoxazolol (1:1) Bucide Tachygen Itachigarden HYDROXYISOXAZOLE 5-METHYLISOXAZOL-3-OL 3-Hydroxy-5-methylisoxazole, 5-Methylisoxazol-3-ol, Hymexazole 5-methyl-3-isoxazolo itachigden Yellow brown liquid Hymexazol Organic Fungicide For Tomatoes 5-Methyl-3-hydroxyisoxazole 2,3-Dihydro-5-methyl-3-oxoisoxazole, 5-Methyl-1,2-oxazol-3(2H)-one, 3-Hydroxy-5-methylisoxazole, 5-Methylisoxazol-3-ol, Hymexazole

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

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

Hazard Codes	Xi;Xn
Risk Phrases	R22
Safety Phrases	S26-S39-S61
WGK Germany	3
RTECS	NY2932000
HS Code	2934999024

141-97-9

~71%

10004-44-1

Literature: Sato, Kazuo; Sugai, Soji; Tomita, Kazuo Agricultural and Biological Chemistry, 1986 , vol. 50, # 7 p. 1831 - 1838

87318-59-0

~84%

10004-44-1

Literature: Oster, Timothy A.; Harris, Thomas M. Journal of Organic Chemistry, 1983 , vol. 48, # 23 p. 4307 - 4311

10004-24-7

~82%

10004-44-1

Literature: McCarry; Savard Tetrahedron Letters, 1981 , vol. 22, # 51 p. 5153 - 5156

674-82-8

~71%

10004-44-1

Literature: Jacobsen; Kolind-Andersen; Christensen Canadian Journal of Chemistry, 1984 , vol. 62, # 10 p. 1940 - 1944

3075-23-8

~14%

10004-44-1

1517-96-0

Literature: Canadian Journal of Chemistry, , vol. 62, # 10 p. 1940 - 1944

105-45-3

~68%

10004-44-1

Literature: Jacobsen; Kolind-Andersen; Christensen Canadian Journal of Chemistry, 1984 , vol. 62, # 10 p. 1940 - 1944

92234-51-0

~19%

10004-44-1

Literature: Kashima; Konno; Yoshiwara; Tajima Journal of Heterocyclic Chemistry, 1982 , vol. 19, # 6 p. 1535 - 1536

Precursor 6
141-97-9 87318-59-0 10004-24-7 674-82-8
3075-23-8 105-45-3
DownStream 7
16864-45-2 26347-19-3 127020-20-6 69513-43-5
73028-21-4 115886-00-5 54489-27-9

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%

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