Industry: 2812—Alkalies and Chlorine
Establishments primarily engaged in manufacturing alkalies and chlorine. Establishments primarily engaged in mining natural alkalies are classified in Mining, Industry 1474.

Alkalies, not produced at minesSal soda (washing soda)
Caustic potashSoda ash not produced at mines
Caustic sodaSodium bicarbonate not produced at mines
Chlorine compressed or liquefiedSodium carbonate (soda ash) not produced at mines
Potassium carbonateSodium hydroxide (caustic soda)
Potassium hydroxideWashing soda (sal soda)
Codes Titles Number of US Businesses
2812Alkalies and Chlorine185
281200Alkalies and chlorine81
28120000Alkalies and chlorine81
281201Alkalies70
28120100Alkalies4
28120101Caustic potash, potassium hydroxide5
28120102Caustic soda, sodium hydroxide7
28120103Potassium carbonate1
28120104Sal soda (washing soda), sodium carbonate (hydrated)3
28120105Soda ash, sodium carbonate (anhydrous)29
28120106Sodium bicarbonate21
281299Alkalies and chlorine, nec34
28129901Chlorine, compressed or liquefied34