06203

Sigma-Aldrich

Sodium hydroxide

puriss., meets analytical specification of Ph. Eur., BP, NF, E524, 98-100.5%, pellets

Synonym(s):
‘Caustic soda’
Linear Formula:
NaOH
CAS Number:
Molecular Weight:
40.00
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21
Pricing and availability is not currently available.

Quality Level

vapor density

>1 (vs air)

vapor pressure

<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)

grade

puriss.

assay

98-100.5%

form

pellets

quality

meets analytical specification of Ph. Eur., BP, NF, E524

impurities

≤0.0005% total nitrogen (N)
≤0.002% heavy metals (as Pb)
≤0.5% Na2CO3

mp

318 °C (lit.)

solubility

water: soluble 1260 g/L at 20 °C

density

2.13 g/cm3 at 20 °C

anion traces

chloride (Cl-): ≤20 mg/kg
phosphate (PO43-): ≤10 mg/kg
silicate (as SiO2): ≤100 mg/kg
sulfate (SO42-): ≤30 mg/kg

cation traces

Al: ≤10 mg/kg
As: ≤2 mg/kg
Ca: ≤10 mg/kg
Fe: ≤10 mg/kg
Hg: ≤1 mg/kg
K: ≤1000 mg/kg
Pb: ≤0.5 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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Related Categories

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

RIDADR

UN 1823 8 / PGII

WGK Germany

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Chemoselective, solvent-free aldol condensation reaction.
Raston CL and Scott JL.
Green Chemistry, 2(2), 49-52 (2000)
M A Roberts et al.
Analytical chemistry, 69(11), 2035-2042 (1997-06-01)
This report describes a UV laser photoablation method for the production of miniaturized liquid-handling systems on polymer substrate chips. The fabrication of fluid channel and reservoir networks is accomplished by firing 200 mJ pulses from an UV excimer laser at...
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).
Kinetics of sodium borohydride direct oxidation and oxygen reduction in sodium hydroxide electrolyte: Part I. BH4- electro-oxidation on Au and Ag catalysts.
Chatenet M, et al.
Electrochimica Acta, 51(25), 5459-5467 (2006)
Determination of specific surface area of colloidal silica by titration with sodium hydroxide.
Sears Jr GW.
Analytical Chemistry, 28(12), 1981-1983 (1956)

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