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415413

Sigma-Aldrich

Sodium hydroxide solution

50% in H2O

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About This Item

Linear Formula:
NaOH
CAS Number:
1310-73-2
Molecular Weight:
40.00
MDL number:
MFCD00003548
UNSPSC Code:
12352316
PubChem Substance ID:
329756117
NACRES:
NA.21

Agency

suitable for DIN 38407-42
suitable for EPA 533
suitable for EPA 8327
suitable for EPA OTM-45
suitable for SM 4500 - NH3

Quality Level

100

vapor pressure

3 mmHg ( 37 °C)

form

liquid (viscous)

concentration

48-52% (by HCl, titration)
50% in H2O

technique(s)

HPLC: suitable

pH

14

density

1.515 g/mL at 25 °C

storage temp.

room temp

SMILES string

[OH-].[Na+]

InChI

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

InChI key

HEMHJVSKTPXQMS-UHFFFAOYSA-M

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General description

Sodium hydroxide solution is a strong alkali. It is utilized in making cellophane, rayon, bleaches, dyes and drugs. It is also employed to abstract hydrogen sulfide from petroleum and to degrade lignin in wood in the paper industry.

Application

Sodium hydroxide solution may be used in the following processes:
  • As a dedoping reagent in the synthesis of graphene/polyaniline hybrid material.
  • As a solvent in the weight loss study of aluminum by corrosion.4
  • Alkaline reagent test for tannins & phenolic compounds.
  • Synthesis of single crystalline zinc stannate (Zn2SnO4 and ZnSnO3) nanoparticles.
  • Estimation of protein content and α-cellulose content in grain by-products.

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H290,H314

Hazard Classifications

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

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

危险化学品

Certificates of Analysis (COA)

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Single crystalline zinc stannate nanoparticles for efficient photo-electrochemical devices.
Miyauchi M, et al.
Chemical Communications (Cambridge, England), 46(9), 1529-1531 (2010)
Daly AO.
Sodium, 21-21 (2002)
Barley husk and coconut shell reinforced polypropylene composites: the effect of fibre physical, chemical and surface properties.
Bledzki AK, et al.
Composites Science and Technology, 70(5), 840-846 (2010)
A nanostructured graphene/polyaniline hybrid material for supercapacitors.
Wang H, et al.
Nanoscale, 2(10), 2164-2170 (2010)
Phytochemical investigation and chromatographic evaluation of the different extracts of tuber of Amorphaphallus paeoniifolius (Araceae).
De S and Ghosh AK.
International Journal of Pharmaceutical and Biomedical Research, 1(5), 150-157 (2010)
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