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71687

Sigma-Aldrich

Hidróxido de sodio

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

Sinónimos:

«Sosa cáustica»

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About This Item

Fórmula lineal:
NaOH
Número de CAS:
1310-73-2
Peso molecular:
40.00
EC Number:
215-185-5
MDL number:
MFCD00003548
UNSPSC Code:
12352316
PubChem Substance ID:
57652336
NACRES:
NA.32

grade

for luminescence

vapor density

>1 (vs air)

vapor pressure

<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)

product line

BioUltra

assay

≥98.0% (T)

form

pellets

technique(s)

cell culture | mammalian: suitable

impurities

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

mp

318 °C (lit.)

solubility

H2O: 1 M at 20 °C, clear, colorless

density

2.13 g/cm3

anion traces

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

cation traces

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

SMILES string

[OH-].[Na+]

λ

1 M in H2O

UV absorption

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

suitability

in accordance for luminescence
suitable for luminescence

InChI

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

InChI key

HEMHJVSKTPXQMS-UHFFFAOYSA-M

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General description

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.

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_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

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Certificados de análisis (COA)

Lot/Batch Number
BCCH0418
BCCG3304
BCCF8681
BCCF5153
BCCF2151

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