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Documentos Principais

71687

Sigma-Aldrich

Hidróxido de sódio

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

Sinônimo(s):

‘Soda cáustica’

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About This Item

Fórmula linear:
NaOH
Número CAS:
Peso molecular:
40.00
Número CE:
Número MDL:
Código UNSPSC:
12352316
ID de substância PubChem:
NACRES:
NA.32

grau

for luminescence

densidade de vapor

>1 (vs air)

pressão de vapor

<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)

linha de produto

BioUltra

Ensaio

≥98.0% (T)

Formulário

pellets

técnica(s)

cell culture | mammalian: suitable

Impurezas

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

pf

318 °C (lit.)

solubilidade

H2O: 1 M at 20 °C, clear, colorless

densidade

2.13 g/cm3

traços de ânion

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

traços de cátion

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

cadeia de caracteres SMILES

[OH-].[Na+]

λ

1 M in H2O

Absorção UV

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

adequação

in accordance for luminescence

InChI

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

chave InChI

HEMHJVSKTPXQMS-UHFFFAOYSA-M

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Descrição geral

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.

Aplicação

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.

Pictogramas

Corrosion

Palavra indicadora

Danger

Frases de perigo

Classificações de perigo

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

Código de classe de armazenamento

8B - Non-combustible corrosive hazardous materials

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

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


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