Dimethyl sulfate
NIOSH Potential Occupational Carcinogen
Corrosion
Skull and Crossbones
Exclamation Mark
Health Hazard
Hazard Statements
| Code | Statement | Hazard Class |
|---|---|---|
H227 |
Combustible liquid | Flammable liquids |
H301 |
Toxic if swallowed | Acute toxicity, oral |
H314 |
Causes severe skin burns and eye damage | Skin corrosion/irritation |
H318 |
Causes serious eye damage | Serious eye damage/eye irritation |
H330 |
Fatal if inhaled | Acute toxicity, inhalation |
H335 |
May cause respiratory irritation | Specific target organ toxicity, single exposure; Respiratory tract irritation |
H341 |
Suspected of causing genetic defects | Germ cell mutagenicity |
H350 |
May cause cancer | Carcinogenicity |
H361 |
Suspected of damaging fertility or the unborn child | Reproductive toxicity |
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 |
|---|---|
P203 |
Obtain, read and follow all safety instructions before use. |
P210 |
Keep away from heat, hot surface, sparks, open flames and other ignition sources. No smoking. |
P260 |
Do not breathe dust/fume/gas/mist/vapors/spray. |
P261 |
Avoid breathing dust/fume/gas/mist/vapors/spray. |
P264 |
Wash hands [and ...] thoroughly after handling. |
P264+P265 |
Wash hands [and ...] thoroughly after handling. Do not touch eyes. |
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. |
P301+P330+P331 |
IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. |
P302+P361+P354 |
IF ON SKIN: Take off Immediately all contaminated clothing. Immediately rinse with water for several minutes. |
P304+P340 |
IF INHALED: Remove person to fresh air and keep comfortable for breathing. |
P305+P354+P338 |
IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. |
P308+P316 |
IF exposed or concerned: Get emergency medical help immediately. |
P316 |
Get emergency medical help immediately. |
P317 |
Get emergency medical help. |
P318 |
if exposed or concerned, get medical advice. |
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. |
P363 |
Wash contaminated clothing before reuse. |
P370+P378 |
In case of fire: Use ... to extinguish. |
P403 |
Store in a well-ventilated place. |
P403+P233 |
Store in a well-ventilated place. Keep container tightly closed. |
P405 |
Store locked up. |
P501 |
Dispose of contents/container to ... |
Exposure Limits
| OSHA PEL | 1 ppm |
| NIOSH REL | 0.1 ppm |
| NIOSH IDLH | 7 ppm |
| Skin Notation | Yes — can be absorbed through skin |
Physical Properties
Colorless, oily liquid with a faint, onion-like odor.
| Boiling Point | 370°F (decomposes) |
| Flash Point | 182°F |
| Vapor Pressure | 0.1 mmHg |
| Specific Gravity | 1.33 |
NFPA 704 Diamond
2
4
1
Health
Fire
Reactivity
Target Organs
potential for cancer, severe irritation of the eyes, mucous membranes and skin; nasal and lung cancer in animals
Synonyms
dimethyl ester of sulfuric acid; dimethylsulfate; methyl sulfate
Data Sources
- GHS Classification: PubChem CID 6497
- OSHA PEL: OSHA Occupational Chemical Database
- 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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