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Merck
CN

415413

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
NACRES:
NA.21
PubChem Substance ID:
329756117
UNSPSC Code:
12352316
MDL number:
MFCD00003548

Key Documents

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Product Name

Sodium hydroxide solution, 50% in H2O

InChI

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

SMILES string

[OH-].[Na+]

InChI key

HEMHJVSKTPXQMS-UHFFFAOYSA-M

agency

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

vapor pressure

3 mmHg ( 37 °C)

form

liquid (viscous)

concentration

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

technique(s)

HPLC: suitable

pH

14

Quality Level

100

solubility

water: soluble

density

1.515 g/mL at 25 °C

application(s)

PFAS testing

storage temp.

room temp

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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.

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.

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H290,H314

Hazard Classifications

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

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
SDBB5729
SDBB5728
SDBB5727
MKCX9386
MKCX5566

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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)
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)
A nanostructured graphene/polyaniline hybrid material for supercapacitors.
Wang H, et al.
Nanoscale, 2(10), 2164-2170 (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)
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