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28-2940

Sigma-Aldrich

Sodium hydroxide

JIS special grade, ≥96.0%

Synonym(s):

‘Caustic soda’

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About This Item

Linear Formula:
NaOH
CAS Number:
1310-73-2
Molecular Weight:
40.00
EC Number:
215-185-5
MDL number:
MFCD00003548
UNSPSC Code:
12352106
PubChem Substance ID:
329753123

grade

JIS special grade

vapor density

>1 (vs air)

vapor pressure

<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)

Assay

≥96.0%

form

pellets

availability

available only in Japan

mp

318 °C (lit.)

solubility

water: ~1260 g/L at 20 °C

density

2.13 g/cm3

SMILES string

[OH-].[Na+]

InChI

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

InChI key

HEMHJVSKTPXQMS-UHFFFAOYSA-M

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Application


  • Facile Synthesis of Carbon Dots from Amido Black 10b for Sensing in Real Samples.: This study presents a simple synthesis method for carbon dots using Amido Black 10b, with applications in sensing. The researchers demonstrated the utility of these carbon dots in real sample analysis, highlighting their potential in environmental monitoring and biomedical applications. (Li et al., 2022).

  • Multiple chemical modifications and Cd(2+) adsorption characteristics of sludge-based activated carbon.: The research explores various chemical modifications of sludge-based activated carbon and its effectiveness in adsorbing cadmium ions (Cd(2+)). Sodium hydroxide was used in the modification process, enhancing the material′s adsorption capabilities. This study is relevant for environmental cleanup and water treatment applications. (Chen et al., 2022).

  • Characterization of ligno-cellulosic fiber extracted from Atriplex halimus L. plant.: This study characterizes ligno-cellulosic fibers extracted from Atriplex halimus using sodium hydroxide. The results show the potential of these fibers in biocomposites, contributing to sustainable material development. (Belouadah et al., 2021).

  • Monitoring the extraction of copper from chicken dung leachate using an aluminium electrode as an indicator.: The research focuses on the extraction of copper from chicken dung leachate, using an aluminium electrode for monitoring. Sodium hydroxide is employed in the leachate treatment process, showcasing its role in resource recovery from agricultural waste. (Kugeria et al., 2019).

  • Coconut coir pith lignin: A physicochemical and thermal characterization.: This paper discusses the characterization of lignin from coconut coir pith, using sodium hydroxide in the extraction process. The findings are significant for the development of bio-based materials and the utilization of agricultural residues. (Panamgama et al., 2018).

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H290 - H314

Hazard Classifications

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

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PDSCL

Deleterious substance

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

28-2940-2-25G-J:4.548173016665E12
28-2940-9-25KG-J:4.54817302099E12
28-2940-5-500G-J:4.548173016672E12

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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