149-44-0
Product Name:
Sodium hydroxymethanesulphinate
Formula:
CH3NaO3S
Synonyms:
Sodium formaldehyde bisulfite
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CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Dry Powder, Water or Solvent Wet Solid; Liquid; Pellets or Large Crystals |
|---|---|
| Color/Form | HARD WHITE MASSES |
| Melting Point | 63-64 °C |
| Solubility | White solid; sol in water and alcohol /dihydrate/ |
| Decomposition | When heated to decomp it emits toxic fumes of SOx /sulfur oxides/ and Na2O /sodium oxide/. |
| Other Experimental Properties | Odorless when freshly prepd, but quickly develops a characteristic (garlic) odor; readily decomposed by diluted acids; aq soln is practically neutral; decomp @ high temp /dihydrate/ |
| Chemical Classes | Metals -> Organic Acids, Metal Salts |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H341:Germ cell mutagenicity |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
COMPUTED DESCRIPTORS
| Molecular Weight | 118.09 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 1 |
| Exact Mass | 117.97005941 g/mol |
| Monoisotopic Mass | 117.97005941 g/mol |
| Topological Polar Surface Area | 79.6 Ų |
| Heavy Atom Count | 6 |
| Formal Charge | 0 |
| Complexity | 46.1 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 2 |
| Compound Is Canonicalized | Yes |
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