484024
Hidróxido de sodio
reagent grade, 97%, flakes
Sinónimos:
«Sosa cáustica»
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Fórmula lineal:
NaOH
Número CAS:
Peso molecular:
40.00
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352316
EC Number:
215-185-5
MDL number:
Assay:
97%
Form:
flakes
Grade:
reagent grade
Servicio técnico
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reagent grade
Quality Level
agency
suitable for DIN 38407-42, suitable for EPA 533, suitable for EPA 8327, suitable for EPA OTM-45
vapor density
>1 (vs air)
vapor pressure
<18 mmHg ( 20 °C), 3 mmHg ( 37 °C)
assay
97%
form
flakes
technique(s)
titration: suitable
mp
318 °C (lit.)
solubility
water: soluble 1260 g/L at 20 °C
density
2.13 g/cm3
application(s)
PFAS testing
SMILES string
[OH-].[Na+]
InChI
1S/Na.H2O/h;1H2/q+1;/p-1
InChI key
HEMHJVSKTPXQMS-UHFFFAOYSA-M
General description
Sodium hydroxide also known as caustic soda is a water soluble base with a wide range of industrial applications. Purification of diatomite with NaOH enhances its ability to adsorb basic dyes. NaOH when coupled with thermal desorption is reported to improve the degradation of polychlorinated biphenyl (PCB) in PCB contaminated soil. The efficiency of the aqueous solution of sodium citrate (Na3Ci) and sodium hydroxide (NaOH) to dissolve SO2 has been investigated.
Application
Sodium hydroxide (NaOH) has been used to trap the hydrogen bromide gas released during the photo-bromination of 4-nitro-o-xylene.
It may be used in the following processes:
It may be used in the following processes:
- Boehm′s titration
- dissolution testing
- pH adjustment during the silver nanoparticles synthesis
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signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
Clase de almacenamiento
8B - Non-combustible corrosive hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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Kinetics and equilibrium studies from the methylene blue adsorption on diatomite treated with sodium hydroxide.
Zhang J, et al.
Applied Clay Science, 83, 12-16 (2013)
Synthesis of single crystal hollow silver nanoparticles in a fast reaction-diffusion process.
Ben MA and Markovich G.
Chemistry of Materials, 23(5), 1239-1245 (2011)
Solubility of SO2 in aqueous blend of sodium citrate and sodium hydroxide.
Mondal MK, et al.
Fluid Phase Equilibria, 349, 56-60 (2013)