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Merck
CN

06306

Sodium hydroxide

≥98.5%, microprills

Synonym(s):

Caustic soda

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About This Item

Linear Formula:
NaOH
CAS Number:
Molecular Weight:
40.00
UNSPSC Code:
12352106
PubChem Substance ID:
EC Number:
215-185-5
MDL number:
Assay:
≥98.5%
Form:
microprills
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vapor density

>1 (vs air)

vapor pressure

<18 mmHg ( 20 °C), 3 mmHg ( 37 °C)

assay

≥98.5%

form

microprills

impurities

≤1% Na2CO3

mp

318 °C (lit.)

solubility

water: soluble 1260 g/L at 20 °C

anion traces

chloride (Cl-): ≤200 mg/kg, sulfate (SO42-): ≤500 mg/kg

cation traces

Fe: ≤10 mg/kg

SMILES string

[OH-].[Na+]

InChI

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

InChI key

HEMHJVSKTPXQMS-UHFFFAOYSA-M



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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

Regulatory Information

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The aldol condensation.
Nielsen AT and Houlihan WJ.
Organic Reactions (1968)
Silvio Carrettin et al.
Chemical communications (Cambridge, England), (7)(7), 696-697 (2002-07-18)
Glycerol is oxidised to glyceric acid with 100% selectivity using either 1% Au/charcoal or 1% Au/graphite catalyst under mild reaction conditions (60 degrees C, 3 h, water as solvent).
Determination of specific surface area of colloidal silica by titration with sodium hydroxide.
Sears Jr GW.
Analytical Chemistry, 28(12), 1981-1983 (1956)



Global Trade Item Number

SKUGTIN
219584-25G04061837662966
219584-1G04061838776051
219584-5G04061838776068