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Sigma-Aldrich

Hydroxyde de sodium

BioUltra, for luminescence, ≥98.0% (T), pellets

Synonyme(s) :

"Soude caustique"

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About This Item

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 :
57652336
Nomenclature NACRES :
NA.32

Qualité

for luminescence

Densité de vapeur

>1 (vs air)

Pression de vapeur

<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)

Gamme de produits

BioUltra

Pureté

≥98.0% (T)

Forme

pellets

Technique(s)

cell culture | mammalian: suitable

Impuretés

insoluble matter, passes filter test
≤0.0003% total nitrogen (N)
≤0.0005% silicon dioxide (SiO2)
≤1.0% sodium carbonate (Na2CO3)

Pf

318 °C (lit.)

Solubilité

H2O: 1 M at 20 °C, clear, colorless

Densité

2.13 g/cm3

Traces d'anions

chloride (Cl-): ≤70 mg/kg
phosphate (PO43-): ≤5 mg/kg
sulfate (SO42-): ≤50 mg/kg

Traces de cations

Ag: ≤5 mg/kg
Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Hg: ≤0.1 mg/kg
K: ≤500 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

Chaîne SMILES 

[OH-].[Na+]

λ

1 M in H2O

Absorption UV

λ: 260 nm Amax: 0.015
λ: 280 nm Amax: 0.01

Adéquation

in accordance for luminescence

InChI

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

Clé InChI

HEMHJVSKTPXQMS-UHFFFAOYSA-M

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Description générale

Sodium Hydroxide, also known as caustic soda or lye, is a white crystalline odorless solid which is corrosive and absorbs moisture from the air. When dissolved in water, Sodium Hydroxide generates heat to ignite combustible materials. In the form of pellets, Sodium Hydroxide, when dissolved, forms a colorless liquid, denser than water.

Application

Sodium Hydroxide is generally used in the solid or 50% solution form. It is suitable for use at various stages of soaps, paper, rayon, and petroleum product manufacturing. It is also used in carbohydrate research using FTIR analysis. Sodium Hydroxide is used as a pre-treatment reagent to study enzymatic hydrolysis.

Pictogrammes

Corrosion
GHS05

Mention d'avertissement

Danger

Mentions de danger

H290,H314

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

Équipement de protection individuelle

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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