Chemical Search
Sodium metabisulfite
1. Molecular Structure
2. Chemical Identity
| Property | Value |
|---|---|
| IUPAC Name | N/A |
| Molecular Formula | Na2O5S2 |
| SMILES | [O-]S(=O)S(=O)(=O)[O-].[Na+].[Na+] |
3. Chemical Properties
| Property | Value |
|---|---|
| Molecular Weight | 190.11 g/mol |
| TPSA | 125 Ų |
| LogP | N/A |
| Formal Charge | 0 |
4. Experimental Properties
| Property | Value |
|---|---|
| Boiling Point | Decomposes (NIOSH, 2024) |
| Melting Point | greater than 302 °F (Decomposes) (NIOSH, 2024) |
| Density | Specific gravity: 1.4 at 25 °C/4 °C |
| Solubility | 66.7 g/100 g water at 25 °C |
| Flash Point | No data available |
| Autoignition Temp | No data available |
5. Supplier Suggestions
| Supplier | Website | Location |
|---|---|---|
| Sigma Aldrich/Merck | Visit Merck | International |
| Lennox | Visit Lennox | Ireland |
| Doc Solder | Visit Doc Solder | Ireland |
6. GHS Safety & Hazards
Signal Word
Danger
Danger
Hazard Statements
- H302 (98.9%): Harmful if swallowed [Warning Acute toxicity, oral]
- H302: Harmful if swallowed [Warning Acute toxicity, oral]
- H317: May cause an allergic skin reaction [Warning Sensitization, Skin]
- H318 (99.5%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H320: Causes eye irritation [Warning Serious eye damage/eye irritation]
- H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]
- H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
- H402: Harmful to aquatic life [Hazardous to the aquatic environment, acute hazard]
- H412: Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
Precautionary Statements
- P233, P260, P261, P264, P264+P265, P270, P271, P272, P280, P284, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P333+P317, P337+P317, P342+P316, P362+P364, P403, P403+P233, P405, and P501 (click each P-code to see the statement)
- P233, P260, P261, P271, P272, P280, P284, P302+P352, P304+P340, P321, P333+P317, P342+P316, P362+P364, P403, and P501 (click each P-code to see the statement)
- P261, P264, P264+P265, P270, P271, P273, P280, P301+P317, P304+P340, P305+P354+P338, P317, P319, P330, P403+P233, P405, and P501 (click each P-code to see the statement)
- P264, P264+P265, P270, P280, P301+P317, P305+P354+P338, P317, P330, and P501 (click each P-code to see the statement)