484024

Hydroxyde de sodium

reagent grade, 97%, flakes

• Synonyme(s) : "Soude caustique"
• Formule linéaire : NaOH
• Numéro CAS: 1310-73-2
• Poids moléculaire : 40.00
• Numéro CE : 215-185-5
• Numéro MDL: MFCD00003548
• Code UNSPSC : 12352316
• ID de substance PubChem : 329757371
• Nomenclature NACRES : NA.21

Propriétés

• Qualité: reagent grade
• Niveau de qualité: 100
• Agence: suitable for DIN 38407-42; suitable for EPA 533; suitable for EPA 8327; suitable for EPA OTM-45
• Densité de vapeur: >1 (vs air)
• Pression de vapeur: <18 mmHg ( 20 °C); 3 mmHg ( 37 °C)
• Pureté: 97%
• Forme: flakes
• Technique(s): titration: suitable
• Pf: 318 °C (lit.)
• Solubilité: water: soluble 1260 g/L at 20 °C
• Densité: 2.13 g/cm³
• Chaîne SMILES: [OH-].[Na+]
• InChI: 1S/Na.H2O/h;1H2/q+1;/p-1
• Clé InChI: HEMHJVSKTPXQMS-UHFFFAOYSA-M

Description

Description générale

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:

• Boehm′s titration
• dissolution testing
• pH adjustment during the silver nanoparticles synthesis

Informations sur la sécurité

• Pictogrammes: GHS05
• Mention d'avertissement: Danger
• Mentions de danger: H290,H314
• Conseils de prudence: P234 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Classification des risques: Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
• Code de la classe de stockage: 8B - Non-combustible corrosive hazardous materials
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable