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Merck
CN

S0899

Sodium hydroxide

ACS reagent, ≥97.0%, pellets

Synonym(s):

‘Caustic soda’

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About This Item

Linear Formula:
NaOH
CAS Number:
Molecular Weight:
40.00
EC Number:
215-185-5
UNSPSC Code:
12352106
MDL number:
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InChI key

HEMHJVSKTPXQMS-UHFFFAOYSA-M

InChI

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

SMILES string

[OH-].[Na+]

grade

ACS reagent

vapor density

>1 (vs air)

vapor pressure

<18 mmHg ( 20 °C), 3 mmHg ( 37 °C)

assay

≥97.0%

form

pellets

impurities

≤0.001% Nitrogen compounds (as N), ≤0.02% Ammonium hydroxide precipitate, ≤1.0% Na2CO3

mp

318 °C (lit.)

anion traces

chloride (Cl-): ≤0.005%, phosphate (PO43-): ≤0.001%, sulfate (SO42-): ≤0.003%

cation traces

Fe: ≤0.001%, Hg: ≤0.1 ppm, K: ≤0.02%, Ni: ≤0.001%, heavy metals (as Ag): ≤0.002%

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pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

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

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

Regulatory Information

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Inanc Birol et al.
PloS one, 10(6), e0130720-e0130720 (2015-06-30)
In this work we studied the liver transcriptomes of two frog species, the American bullfrog (Rana (Lithobates) catesbeiana) and the African clawed frog (Xenopus laevis). We used high throughput RNA sequencing (RNA-seq) data to assemble and annotate these transcriptomes, and
S Austin Hammond et al.
General and comparative endocrinology, 219, 6-15 (2015-01-15)
Thyroid hormones (THs) are essential for normal growth, development, and metabolic control in vertebrates. Their absolute requirement during amphibian metamorphosis provides a powerful means to detect and assess the impact of environmental contaminants on TH signaling in the field and
Hadi Shafiee et al.
Scientific reports, 5, 9919-9919 (2015-06-06)
We report a biosensing platform for viral load measurement through electrical sensing of viruses on a flexible plastic microchip with printed electrodes. Point-of-care (POC) viral load measurement is of paramount importance with significant impact on a broad range of applications
C Nagelreiter et al.
International journal of pharmaceutics, 491(1-2), 162-169 (2015-06-29)
The tape stripping method is a very important tool for dermopharmacokinetic experiments in vitro and the accurate measurement of the removed corneocytes is key for a reliable calculation of a drug's skin penetration behavior. Therefore, various methods to quantify the

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