Sodium hydroxide: Difference between revisions

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(Created page with "{{Compound|chemf=NaOH|industrial=yes|group=salts |mm=39.9971|density=2.13|mp=318|bp=1388|sol_aq=1110 |stp_p=solid|stp_q=white |nfpa_h=3|nfpa_r=1|nfpa_o=ALK}} ==Uses== ===Prima...")
 
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* Primary component in lye
* Primary component in lye
* Primary alkali used to produce sodium salts from acids
* Primary alkali used to produce sodium salts from acids
==Natural occurrence==
==Natural occurrence==
* Sodium hydroxide '''does not''' occur naturally.
* Sodium hydroxide '''does not''' occur naturally.
==Hazards==
==Hazards==
Sodium hydroxide is extremely caustic, especially when wet. Exposure of wet (slaked) lye to skin or eyes is likely to result in severe chemical burns and/or blindness.
Sodium hydroxide is extremely caustic, especially when wet. Exposure of wet (slaked) lye to skin or eyes is likely to result in severe chemical burns and/or blindness.
==Production==
==Production==
===Synthesis===
===Synthesis===
* Metathesis: Combining aqueous [[sodium carbonate]] and [[calcium oxide]] produces sodium hydroxide and [[calcium carbonate]]
* Metathesis: Combining aqueous [[sodium carbonate]] and [[calcium oxide]] produces sodium hydroxide and [[calcium carbonate]]
*: {{#Chem:  Na2CO3(aq) + 2Ca(OH)2(aq) → 2 NaOH(aq) + 2 CaCO3(s)|otp}}
*: {{#Chem:  Na2CO3(aq) + 2Ca(OH)2(aq) → 2 NaOH(aq) + 2 CaCO3(s)|otp}}
==Purification==
==Purification==
*{{cite patent|1562805|title=Process for separating potassium and sodium hydroxides}}
*{{cite patent|1562805|title=Process for separating potassium and sodium hydroxides}}
==Testing==
==Testing==
==Storage==
==Storage==
==Disposal==
==Disposal==
==See Also==
==See Also==
==References==
==References==
<references/>
<references/>

Revision as of 12:49, 25 June 2019

 
Sodium hydroxide
Chemical formula NaOH
OTP appearance white solid 
Molar Mass(g/mol) 39.9971 
Density(g/cc) 2.13 
Melting Point(°C) 318 
Boiling Point(°C) 1388 
Solubility in water(g/L) 1110
NFPA 704
NFPA704.png
0
3
1
ALK

Uses

Primary

  • Industrial chemical
  • Primary component in lye
  • Primary alkali used to produce sodium salts from acids

Natural occurrence

  • Sodium hydroxide does not occur naturally.

Hazards

Sodium hydroxide is extremely caustic, especially when wet. Exposure of wet (slaked) lye to skin or eyes is likely to result in severe chemical burns and/or blindness.

Production

Synthesis

Purification

Testing

Storage

Disposal

See Also

References