This item is usually Drop Shipped from the MFR/Distributor within 7-10 days (subject to availability). Your order will be charged at the time of placing the order with the vendor. Item is non-cancelable or returnable.
| Synonyms |
Acid sulfite of soda Leucogen Sodium acid sulfite Sulfurous acid, monosodium salt Sodium hydrogen sulfite, solid |
| Appearance |
White, crystalline powder Slight odor of sulfur dioxide. |
| Uses |
In acidulating and preserving fixing baths As a preservative for pyro developer |
| Chemical Formula | A mixture of NaHSO3 (sodium bisulfite) and Na2S2O5 (sodium metabisulfite) |
| Notes | Can be substituted weight for weight with sodium metabisulfite. Very soluble in water, insoluble in alcohol. |