| Agent Name |
Trona |
|---|
| CAS Number |
533-96-0 |
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| Formula |
2C-H2-O3.3Na |
|---|
| Major Category |
Mineral Dusts |
|---|
| Synonyms |
Carbonic acid, sodium salt (2:3); Magadi Soda; Snowflake crystals; Sodium carbonate (3:2); Sodium sesquicarbonate; Urao; Trisodium hydrogendicarbonate; [ChemIDplus] |
|---|
| Category |
Other Mineral Dusts |
|---|
| Description |
Found in nature as dihydrates: monocyclic needles that are stable in air and soluble in water; [Merck Index #8674] A glass-like, noncombustible solid that is white, yellow or gray; [Hawley] |
|---|
| Sources/Uses |
Used in bath salts, laundry detergents, water softeners, and buffers; Used to produce sodium carbonate and to tan leather; [HSDB] |
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| Comments |
Solutions are alkaline and mildly irritating to skin; [Merck Index #8674] 142 underground miners and 88 surface miners at a trona mine in Wyoming had no excess loss of lung function in a 5 year follow-up study. Chest x-rays showed no evidence of pneumoconiosis. [Rom, p. 538] |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: SODIUM SESQUICARBONATE
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