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71687

Sigma-Aldrich

Sodio idrossido

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

Sinonimo/i:

‘Soda caustica’

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About This Item

Formula condensata:
NaOH
Numero CAS:
Peso molecolare:
40.00
Numero CE:
Numero MDL:
Codice UNSPSC:
12352316
ID PubChem:
NACRES:
NA.32

Grado

for luminescence

Livello qualitativo

Densità del vapore

>1 (vs air)

Tensione di vapore

<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)

Nome Commerciale

BioUltra

Saggio

≥98.0% (T)

Stato

pellets

tecniche

cell culture | mammalian: suitable

Impurezze

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

Punto di fusione

318 °C (lit.)

Solubilità

H2O: 1 M at 20 °C, clear, colorless

Densità

2.13 g/cm3

Anioni in tracce

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

Cationi in tracce

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

Stringa SMILE

[OH-].[Na+]

λ

1 M in H2O

Assorbanza UV

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

Compatibilità

in accordance for luminescence

InChI

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

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Descrizione generale

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.

Applicazioni

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.

Pittogrammi

Corrosion

Avvertenze

Danger

Indicazioni di pericolo

Classi di pericolo

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

Codice della classe di stoccaggio

8B - Non-combustible corrosive hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

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


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Ziyu Wang et al.
Bioresource technology, 101(10), 3583-3585 (2010-01-22)
Coastal Bermuda grass was pretreated with NaOH at concentrations from 0.5% to 3% (w/v) for a residence time from 15 to 90min at 121 degrees C. The pretreatments were evaluated based on total lignin removal and production of total reducing
Sang Youn Oh et al.
Carbohydrate research, 340(3), 417-428 (2005-02-01)
Cellulose samples treated with sodium hydroxide (NaOH) and carbon dioxide in dimethylacetamide (DMAc) were analyzed by FTIR spectroscopy. Absorbance of hydrogen-bonded OH stretching was considerably decreased by the treatment of NaOH and carbon dioxide. The relative absorbance ratio (A(4000-2995)/A(993)) represented
Konstantinos A Polyzos et al.
Cardiovascular research, 106(2), 295-302 (2015-03-10)
Atherosclerosis is a chronic inflammatory disease that is initiated by the retention and accumulation of low-density lipoprotein in the artery, leading to maladaptive response of cells from the immune system and vessel wall. Strong evidence implicates indoleamine 2,3-dioxygenase (IDO), the
C Berger et al.
Human reproduction (Oxford, England), 30(4), 800-811 (2015-03-06)
Does ulipristal acetate (UPA) used for emergency contraception (EC) interfere with the human embryo implantation process? UPA, at the dosage used for EC, does not affect human embryo implantation process, in vitro. A single pre-ovulatory dose of UPA (30 mg)
Jesper Hjortnaes et al.
Advanced healthcare materials, 4(1), 121-130 (2014-06-25)
Three dimensional (3D) hydrogel platforms are powerful tools, providing controllable, physiologically relevant microenvironments that could aid in understanding how various environmental factors direct valvular interstitial cell (VIC) phenotype. Continuous activation of VICs and their transformation from quiescent fibroblast to activated

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