Orysastrobin
Synonym(s):(2E)-2-(Methoxyimino)-2-{2-[(3E,5E,6E)-5-(methoxyimino)-4,6-dimethyl-2,8-dioxa-3,7-diazanona-3,6-dien-1-yl]phenyl}-N-methylacetamide
- CAS NO.：248593-16-0
- Empirical Formula: C18H25N5O5
- Molecular Weight: 391.43
- MDL number: MFCD09953920
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-08-25 20:17:46
What is Orysastrobin?
The Uses of Orysastrobin
Orysastrobin is a fungicide used in the treatment of blast and sheath blight in transplanted rice inhibiting the mitochondrial respiration chain.
Definition
ChEBI: A monocarboxylic acid amide obtained by formal condensation of the carboxy group of (2E)-(methoxyimino){2-[(3E,5E,6E)-5-(methoxyimino)-4,6-dimethyl-2,8-dioxa-3,7-diazanona-3,6-dien-1-yl]ph nyl}acetic acid with the amino group of methylamine. A rice fungicide that is highly effective against Magnaporthe oryzae, Pyricularia oryzae, Thanatephorus cucumeris and Rhizoctonia solani.
Properties of Orysastrobin
| Melting point: | 97～101℃ |
| Density | 1.16±0.1 g/cm3(Predicted) |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| form | Solid |
| form | neat |
| pka | 11.26±0.46(Predicted) |
| color | White to off-white |
| BRN | 11330196 |
Safety information for Orysastrobin
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H351:Carcinogenicity H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P202:Do not handle until all safety precautions have been read and understood. P273:Avoid release to the environment. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P308+P313:IF exposed or concerned: Get medical advice/attention. |
Computed Descriptors for Orysastrobin
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