Cookies disclaimer

I agree Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our website without changing the browser settings you grant us permission to store that information on your device.

33382 Sodium hydroxide, 50% w/w aq. soln.

CAS Number

Stock No. Size Price ($) Quantity Availability
33382-22 100g 33.90
33382-A1 1kg 45.90
33382-A7 5kg 159.00
Add to Cart Bulk/Specialty Print Quote View Item

Sodium hydroxide, 50% w/w aq. soln.


Chemical Properties

Formula Weight
Storage & Sensitivity
Ambient temperatures.
Miscible with glycerol, ethanol and methanol. Immiscible with acetone and ether.


Sodium hydroxide, 50% w/w aq. solution is used as a chemical reactant or neutralization agent in various industries like chemical, pharmaceutical, textile, pulp and paper, metal and food industries and soap and detergent manufacturing. It is also used in the manufacture of synthetic fabrics such as rayon and also for manufacturing food products. It is utilized for pH adjustment and formation of in situ sodium methylate in bioethanol and biodiesel processing.


Moisture sensitive. Incompatible with oxidizing agents, reducing agents, metals, acids and alkalies.

Literature References

Afzal, A.; Chelme-Ayala, P.; Drzewicz, P.; Martin, J. W.; Gamal El-Din, M. Effects of Ozone and Ozone/Hydrogen Peroxide on the Degradation of Model and Real Oil-Sands-Process-Affected-Water Naphthenic Acids. Ozone Sci. Eng. 2015, 37 (1), 45-54.

Boitt, A. P. W.; Barcellos, I. O.; Alberti, L. D.; Bucci, D. Z. Evaluation of the Influence of the Use of Waste from the Processing of Rice in Physicochemical Properties and Biodegradability of PHB in Composites. Polímeros 2014, 24 (6), 640-645.

GHS Hazard and Precautionary Statements

Hazard Statements: H290-H314-H335

May be corrosive to metals. Causes severe skin burns and eye damage. May cause respiratory irritation.

Precautionary Statements: P234-P260-P264b-P271-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P390-P501c

Keep only in original container. Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. Wash contaminated clothing before reuse. Absorb spillage to prevent material damage. Dispose of contents/ container to an approved waste disposal plant

Other References

Hazard Class
Packing Group
Harmonized Tariff Code


  • A18395

    Sodium hydroxide, flake, 98%
  • L13091

    Hydrochloric acid, 36% w/w aq. soln.
  • 10659

    Boric acid, Puratronic®, 99.9995% (metals basis)
  • 13455

    Sodium hydroxide (low chloride), ACS, 97.0% min
  • 35621

    Potassium hydroxide, 50% w/v aq. soln.

Recently Viewed


Life Science

Metals & Materials


Analytical & Labware