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367176

Sigma-Aldrich

Sodio idrossido

beads, 16-60 mesh, reagent grade, 97%

Sinonimo/i:

‘Soda caustica’

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About This Item

Formula condensata:
NaOH
Numero CAS:
1310-73-2
Peso molecolare:
40.00
Numero CE:
215-185-5
Numero MDL:
MFCD00003548
Codice UNSPSC:
12352106
ID PubChem:
329755477
NACRES:
NB.22
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Grado

reagent grade

Densità del vapore

>1 (vs air)

Tensione di vapore

<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)

Saggio

97%

Stato

beads

tecniche

titration: suitable

Dimensione particelle

16-60 mesh

Punto di fusione

318 °C (lit.)

Solubilità

water: soluble 1260 g/L at 20 °C

Densità

2.13 g/cm3

Stringa SMILE

[OH-].[Na+]

InChI

1S/Na.H2O/h;1H2/q+1;/p-1
HEMHJVSKTPXQMS-UHFFFAOYSA-M

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Descrizione generale

Sodium hydroxide also known as caustic soda is a water soluble base with a wide range of industrial applications.

Applicazioni

Sodium hydroxide may be used in the following processes:
  • Titration methods.[1]
  • Dissolution testing.[2]
  • As a base for adjusting pH.[3][4]
  • As a reducing agent to initiate the synthesis of resin-supported silver nanoparticles.[5]
  • As an alternative to sodium hydride in the carbon-11 methylation reaction in the synthesis of [11C]diprenorphine. [6]
  • Preparation of bead cellulose loaded with iron oxyhydroxide (BCF).[7]
  • Synthesis of polyethyleneimine-sodium xanthogenate (PEX).[8]
  • Pretreatment of thickened waste activated sludge during anaerobic digestion.[9]
  • Struvite precipitation recycling technology.[10]
  • Production of sewage-sludge-based activated carbons.[11]
  • Preparation of β-cyclodextrin (β-CD)/cellulose hydrogels.[12]
  • Prion inactivation during industrial decontamination procedure.[13]
  • Pretreatment of sugarcane bagasse for the sugar recovery.[14]
  • In the Impinger to remove acidic gases.[15]

Pittogrammi

Corrosion
GHS05

Avvertenze

Danger

Indicazioni di pericolo

H290,H314

Classi di pericolo

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

Codice della classe di stoccaggio

8B - Non-combustible corrosive hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

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Certificati d'analisi (COA)

Lot/Batch Number
BCCK4221
BCCL1480
MKCS0346
MKCQ2720
BCCG3367

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Qingli Qian et al.
Langmuir : the ACS journal of surfaces and colloids, 28(1), 736-740 (2011-11-15)
Microemulsions are often used in the synthesis of nanoparticles in solution. In this work, we put forward the concept of a "hard microemulsion", which is based on the differential partitioning of water and ethanol solvent molecules inside functional polymer matrices.
Removal of arsenic by bead cellulose loaded with iron oxyhydroxide from groundwater.
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Determination of Cr (III) and Cr (VI) in environmental waters by derivative flame atomic absorption spectrometry using flow injection on-line preconcentration with double-microcolumn adsorption.
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Synthesis of single crystal hollow silver nanoparticles in a fast reaction-diffusion process.
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Questions

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  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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