Mercaptoacetic acid
Hazard Statements
| Code | Statement | Hazard Class |
|---|---|---|
H301 |
Toxic if swallowed | Acute toxicity, oral |
H311 |
Toxic in contact with skin | Acute toxicity, dermal |
H314 |
Causes severe skin burns and eye damage | Skin corrosion/irritation |
H317 |
May cause an allergic skin reaction | Sensitization, Skin |
H318 |
Causes serious eye damage | Serious eye damage/eye irritation |
H332 |
Harmful 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 |
H402 |
Harmful to aquatic life | Hazardous to the aquatic environment, acute hazard |
Precautionary Statements
| Code | Statement |
|---|---|
P260 |
Do not breathe dust/fume/gas/mist/vapors/spray. |
P261 |
Avoid breathing dust/fume/gas/mist/vapors/spray. |
P262 |
Do not get in eyes, on skin, or on clothing. |
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. |
P272 |
Contaminated work clothing should not be allowed out of the workplace. |
P273 |
Avoid release to the environment. |
P280 |
Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... |
P301+P316 |
IF SWALLOWED: Get emergency medical help immediately. |
P301+P330+P331 |
IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. |
P302+P352 |
IF ON SKIN: wash with plenty of water/... |
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. |
P319 |
Get medical help if you feel unwell. |
P321 |
Specific treatment (see information on this label and safety datasheet)). |
P330 |
Rinse mouth. |
P333+P317 |
If skin irritation or rash occurs: Get medical help. |
P361+P364 |
Take off immediately all contaminated clothing and wash it before reuse. |
P362+P364 |
Take off contaminated clothing and wash it before reuse. |
P363 |
Wash contaminated clothing before reuse. |
P405 |
Store locked up. |
P501 |
Dispose of contents/container to ... |
Exposure Limits
| NIOSH REL | 1 ppm |
| Skin Notation | Yes — can be absorbed through skin |
Physical Properties
Colorless liquid with a strong, disagreeable odor characteristic of mercaptans.
| Boiling Point | 248°F at 20 mmHg |
| Flash Point | 235°F |
| Vapor Pressure | 10 mmHg at 64°F |
| Specific Gravity | 1.33 |
Target Organs
Skin, eye, and mucous membrane irritation
Synonyms
Acetyl mercaptan; Mercaptoacetate; Mercaptoacetic acid; 2-Mercaptoacetic acid; 2-Thioglycolic acid; Thiovanic acid
Data Sources
- GHS Classification: PubChem CID 1133
- 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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