Sodium hydroxide is strongly corrosive. It is flake or particle, easily soluble, and easy to absorbe vapor and carbon dioxide in the air. NaOH is a necessary chemical product in laboratory
| Alias | Caustic soda; lye, caustic; sodium hydrate; soda lye; white caustic; caustic soda flakes; flake caustic; caustic soda solid; caustic soda pearls; solid caustic soda; Liquid Caustic Soda; Food Additives Sodium Hydroxide; Caustic soda flake; Solid Sodium hydroxide; Caustic Soda; Sodium Hydrate |
|---|---|
| English name | Sodium hydroxide |
| Molecular formula | NaOH |
| Molecular weight | 39.997109 |
| Density | 2.130 g/cm³ |
| Melting point | 318.4℃(591 K) |
| Boiling point | 1390 ℃ (1663 K) |
| Solubility | Very easily soluble in water and gives off a lot of heat, soluble in ethyl alcohol and glycerol |
| Flash point | 176-178℃ |
| Appearance and properties | Flakes or particles |
| Hygroscopy | Easy deliquescent in the air |
| Hydroscopicity | Solid sodium hydroxide is strongly hygroscopic but liquid sodium hydroxide is not hygroscopic |
| CAS RN | 1310-73-2 |
| EINECS No. | 215-185-5 |
| Safety | Corrosive |
| Hazard symbol | 36/38-35-34 |
Sodium hydroxide is used in papermaking, soap, dye, artificial silk, petroleum refining, cotton fabric finishing, food processing, wood processing, mechanical industry, and other industries.
Chemical experiment
Industry
Chemical industry
Papermaking
Good industry
Water treatment
Artificial fiber and textile
Metallurgy
Washing products
Solid sodium hydroxide is contained in 0.5mm steel drum, net weight is less than 100kg; open or medium opening steel drum lined with plastic bag or double-layer kraft bag; threaded bottles, liquid pressure bottles, plastic bottles, metal drus, with common wooden case outside; threaded glass bottles, plastic bottles, tinned steel sheet drums, fibre board cases or plywood cases; tinned steel sheet drums, metal drums, plastic bottles or metal hose with corrugated case outside.
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