Sodium Hydroxide Pellet
NaOH
Sodium Hydroxide is a strong base laboratory reagent.
Key details
| Generic name | NaOH |
|---|---|
| Standard packing | 500.00 Grams |
| Available pack sizes | 500 Grams, 1 Kgs, 5 Kg Sealed air tight pack. |
| Supply locations | Sodium Hydroxide LR grade supplier in Mumbai - Navi Mumbai MIDC, Gandhidham, Surat, Chennai, Visakhapatnam, Kolkata, Paradip, Fujairah, Dubai, Sharjah, Ajman, Abudhabi, Muscat - Oman. |
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<span style="color: rgb(51, 51, 51); font-family: Arial, sans-serif; font-size: 14px;">Sodium Hydroxide solutions tend to absorb Carbon Dioxide and other acidic gases from the air and care should be exercised to minimize this occurrence.</span></p>
<p style="text-align: justify;">
<span style="font-size: 14px; text-align: justify;">Applications: Pharmaceutical Aid (Alkalizer), Food Additive, Laboratory regent, Etching and Electroplating, peeling of fruits and vegetables in food Industries, Organic fusion’s vegetable oil refining reclaiming Rubber, Resins, Chemical Manufacturing of various salts and to maintain pH. NaOH solution is used to neutralize acid and also for making sodium salt, and for petroleum refining to remove sulfuric acid and other organic acids.</span></p>
<p>
<span style="font-size: 14px;">SPECIFICATION<br />
SODIUM HYDROXIDE PELLETS (Lab GRADE)<br />
CAUSTIC SODA PELLETS<br />
CAS NO: 1310-73-2<br />
NaOH: MW: 40.00</span></p>
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<span style="font-size: 14px;">TEST</span></td>
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<span style="font-size: 14px;">SPECIFICATION</span></td>
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<td>
<span style="font-size: 14px;">Description</span></td>
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<span style="font-size: 14px;">White, hygroscopic pellets</span></td>
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<span style="font-size: 14px;">Identify</span></td>
<td>
<span style="font-size: 14px;">Na: Passes test<br />
OH: Passes test</span></td>
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<span style="font-size: 14px;">Test solution (10% w/v; water)</span></td>
<td>
<span style="font-size: 14px;">The solution is clear and colourless</span></td>
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<span style="font-size: 14px;">Solubility</span></td>
<td>
<span style="font-size: 14px;">Soluble in 1 to 10 parts of water and in alcohol</span></td>
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<td>
<span style="font-size: 14px;"> Assay (NaOH)</span></td>
<td>
<span style="font-size: 14px;">NLT 97.0 %</span></td>
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<td>
<span style="font-size: 14px;">Carbonate (as Na2CO3)</span></td>
<td>
<span style="font-size: 14px;">NMT 2 %</span></td>
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<td>
<span style="font-size: 14px;">Chloride (CI)</span></td>
<td>
<span style="font-size: 14px;">NMT 125 ppm</span></td>
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<span style="font-size: 14px;">Sulfate (SO4)</span></td>
<td>
<span style="font-size: 14px;">NMT 75 ppm</span></td>
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<td>
<span style="font-size: 14px;">Arsenic (As)</span></td>
<td>
<span style="font-size: 14px;">NMT 4 ppm</span></td>
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<td>
<span style="font-size: 14px;">Iron (Fe)</span></td>
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<span style="font-size: 14px;">NMT 20 ppm</span></td>
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<td>
<span style="font-size: 14px;">Potassium (K)</span></td>
<td>
<span style="font-size: 14px;">Passes Test</span></td>
</tr>
</tbody>
</table>
<p style="text-align: justify;">
<span style="font-size: 14px; text-align: justify;">Sodium Hydroxide is Extremely corrosive product. Potential symptoms of over-exposure are irritation of eyes, skin and mucous membranes, pneumonitis, eye and skin burns, temporary lose of hair etc.</span></p>
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Sodium Hydroxide is a strong base in terms of chemical ionization and solutions of it can be assayed using a strong acid, such as Hydrochloric Acid or Sulfuric Acid, or by using an acidimetric standard such as Potassium Hydrogen Phthalate (KHP).</p>
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Typical neutralization reactions are:</p>
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<nobr style="box-sizing: border-box;">NaOH + HCl → NaCl + H<span style="box-sizing: border-box; font-size: 10.5px; line-height: 0; position: relative; vertical-align: baseline; bottom: -0.25em;">2</span>O</nobr></p>
<p align="center" style="box-sizing: border-box; margin-top: 0px; margin-bottom: 16px; line-height: 18px; color: rgb(51, 51, 51); font-family: Arial, sans-serif; font-size: 14px;">
<nobr style="box-sizing: border-box;">NaOH + KHPhthalate → NaKPhthalate + H<span style="box-sizing: border-box; font-size: 10.5px; line-height: 0; position: relative; vertical-align: baseline; bottom: -0.25em;">2</span>O</nobr></p>
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The endpoint can be determined potentiometrically or by using one of a number of pH indicators with a color change anywhere in the pH 3 - 10.5 range.</p>
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The selection of the indicator used depends on the initial concentration of the Sodium Hydroxide and the strength of the acid used. This is due to the fact that the Normalities of the acid and the base affect the shape of the neutralization curve that results during the titration. When both acid and base are 1 Normal in concentration, indicators with effective ranges between pH 3 and 10.5 can be used. Suitable indicators include Methyl Orange, Bromocresol Green, Methyl Red, Methyl Purple, Bromothymol Blue, Phenol Red, Phenolphthalein and Thymolphthalein. When both the acid and base are 0.1 Normal, the ideal pH range is reduced to 4.5 to 9.5. Thus, Methyl Orange and Thymolphthalein are not as suitable as the others. With 0.01 Normal solutions, the ideal pH range is further limited to 5.5 - 8.5. </p>
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