Methomyl
Skull and Crossbones
Exclamation Mark
Health Hazard
Environment
Hazard Statements
| Code | Statement | Hazard Class |
|---|---|---|
H301 |
Toxic if swallowed | Acute toxicity, oral |
H312 |
Harmful in contact with skin | Acute toxicity, dermal |
H330 |
Fatal if inhaled | Acute toxicity, inhalation |
H370 |
Causes damage to organs | Specific target organ toxicity, single exposure |
H373 |
May causes damage to organs through prolonged or repeated exposure | Specific target organ toxicity, repeated exposure |
Precautionary Statements
| Code | Statement |
|---|---|
P260 |
Do not breathe dust/fume/gas/mist/vapors/spray. |
P264 |
Wash hands [and ...] thoroughly after handling. |
P270 |
Do not eat, drink or smoke when using this product. |
P271 |
Use only outdoors or in a well-ventilated area. |
P280 |
Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... |
P284 |
[In case of inadequate ventilation] Wear respiratory protection. |
P301+P316 |
IF SWALLOWED: Get emergency medical help immediately. |
P302+P352 |
IF ON SKIN: wash with plenty of water/... |
P304+P340 |
IF INHALED: Remove person to fresh air and keep comfortable for breathing. |
P308+P316 |
IF exposed or concerned: Get emergency medical help immediately. |
P316 |
Get emergency medical help immediately. |
P317 |
Get emergency medical help. |
P319 |
Get medical help if you feel unwell. |
P320 |
Specific treatment is urgent (see ... on this label). |
P321 |
Specific treatment (see information on this label and safety datasheet)). |
P330 |
Rinse mouth. |
P362+P364 |
Take off contaminated clothing and wash it before reuse. |
P403+P233 |
Store in a well-ventilated place. Keep container tightly closed. |
P405 |
Store locked up. |
P501 |
Dispose of contents/container to ... |
Exposure Limits
| NIOSH REL | 2.5 mg-m3 |
| Skin Notation | Yes — can be absorbed through skin |
Physical Properties
White, crystalline solid with a slight, sulfur-like odor.
| Vapor Pressure | 0.00005 mmHg at 77°F |
| Specific Gravity | 1.29 at 75°F |
Target Organs
reversible cholinesterase inhibition; eye irritation, kidney, liver, blood, spleen, and bone marrow effects
Synonyms
Lannate; methyl N-((methylamino)carbonyl)oxy)ethanimidothioate; S-methyl-N-(methylcarbamoyloxy)thioacetimidate
Data Sources
- GHS Classification: PubChem CID 4109
- NIOSH REL/IDLH: NIOSH Pocket Guide
Disclaimer: This information is compiled from public regulatory databases for reference only. It does not replace the manufacturer's Safety Data Sheet (SDS). Always consult the official SDS for your specific product before handling chemicals.
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