| Supplier |
CD Formulation |
| Product # |
CDC10-0074 |
| CAS # |
231-673-0 |
| Pricing |
500 g in poly bottle, Inquire for price
|
| product1 |
Cosmetic Ingredients
|
| Molecular Formula |
Na2S2O5
|
| Synonyms |
Sodium disulfite, Sodium pyrosulfite
|
| CAS Number |
7681-57-4
|
| Category |
Antioxidant Cosmetic Chemicals
|
| Purity |
0.97
|
| Color |
White to slightly yellow
|
| Physical State |
Powder or crystals
|
| Quality Level |
100.0
|
| Application |
Sodium metabisulfite may be used to initiate the cross-linking of polybutadiene by free radical polymerization. It may be used to prevent the oxidation (as antioxidant) during the preparation of stock solutions of 6-hydroxydopamine (6-OHDA) and 6-OHDA HBr in various studies.
|
| Melting Point |
>300 °C (lit.)
|
| Density |
1.48 g/cm3
|
| Product Description |
Sodium metabisulfite (MBS, Sodium disulfite) is the sodium salt of disulphurous (pyrosulfurous) acid. It is also commonly added to various food products and wines as a preservative.
|
| Molecular Weight (g/mol) |
190.11
|
| MDL number |
MFCD00167602
|
| NACRES |
NA.55
|
| pH |
3.5-5 (50 g/L, H2O, 20℃)
|
| InChI Key |
HRZFUMHJMZEROT-UHFFFAOYSA-L
|
| SMILES |
[Na+].[Na+].[O-]S(=O)S([O-])(=O)=O
|
| InChI |
1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
|
| Stability |
Stable. Incompatible with strong oxidizing agents, strong acids. Contact with strong acids releases a poisonous gas. May be moisture and air sensitive.
|
| Hazard Codes |
Xn,Xi
|
| Safety Statements |
26-39-46-36-16
|
| WGK Germany |
1.0
|
| RTECS |
UX8225000
|
| Water Solubility |
540 g/L (20°C)
|
| Image |
7681-57-4
|