Monosodium sulfite
Exclamation Mark
Health Hazard
Hazard Statements
| Code | Statement | Hazard Class |
|---|---|---|
H302 |
Harmful if swallowed | Acute toxicity, oral |
H317 |
May cause an allergic skin reaction | Sensitization, Skin |
H334 |
May cause allergy or asthma symptoms or breathing difficulties if inhaled | Sensitization, respiratory |
H335 |
May cause respiratory irritation | Specific target organ toxicity, single exposure; Respiratory tract irritation |
H372 |
Causes damage to organs through prolonged or repeated exposure | Specific target organ toxicity, repeated exposure |
Precautionary Statements
| Code | Statement |
|---|---|
P233 |
Keep container tightly closed. |
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. |
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. |
P280 |
Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... |
P284 |
[In case of inadequate ventilation] Wear respiratory protection. |
P301+P317 |
IF SWALLOWED: Get medical help. |
P302+P352 |
IF ON SKIN: wash with plenty of water/... |
P304+P340 |
IF INHALED: Remove person to fresh air and keep comfortable for breathing. |
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. |
P342+P316 |
If experiencing respiratory symptoms: Get emergence medical help immediately. |
P362+P364 |
Take off contaminated clothing and wash it before reuse. |
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
| NIOSH REL | 5 mg-m3 |
| Skin Notation | Yes — can be absorbed through skin |
Physical Properties
White crystals or powder with a slight odor of sulfur dioxide.
| Boiling Point | decomposes |
| Specific Gravity | 1.48 |
Synonyms
monosodium salt of sulfurous acid; sodium acid bisulfite; sodium bisulphite; sodium hydrogen sulfite
Data Sources
- GHS Classification: PubChem CID 23665763
- 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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