Chemical Name: 3-hydroxy-5-methylisoxazole

Formula: C₄H₅NO₂

Molecular Weight: 99.09

CAS No.: 10004-44-1

Appearance: clay red to white aciform crystal or powder.

Melting Point: 87.

Vapour Pressure: 0.133Pa at 25°C.

Stability: Soluble in water 33 mg/L at 25°C, soluble in chloroform 388 g/100g; methanol 265 g/100g; benzene 94 g/100g; dimethylformamide 83.6 g/100g; acetone 79.2 g/100g; toluene 38.6 g/100g; sparingly soluble in hexane 0.3 g/100g

Toxicity: Oral LD₅₀ (Rat)>1,690 mg/kg,Dermal LD₅₀ (Rabbit) >5,300 mg/kg. And causes irreversible eye damage.

Specification: 99%TC,30SL,70%WP, 70%SP.

Uses: heterocycle compound, hymexazol a systemic bactericide, soil disinfectant, a plant growth regulator. Used for cataplexy caused by rot disease, reaphook fungus.