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S8045

Sigma-Aldrich

Sodium hydroxide

BioXtra, ≥98% (acidimetric), pellets (anhydrous)

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Synonym(s):
‘Caustic soda’
Linear Formula:
NaOH
CAS Number:
1310-73-2
Molecular Weight:
40.00
EC Number:
215-185-5
MDL number:
MFCD00003548
PubChem Substance ID:
329824595
NACRES:
NA.21

vapor density

>1 (vs air)

Quality Level

200

vapor pressure

<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)

product line

BioXtra

Assay

≥98% (acidimetric)

form

pellets (anhydrous)

technique(s)

cell culture | mammalian: suitable

impurities

≤0.0005% Phosphorus (P)
≤0.1% Insoluble matter

mp

318 °C (lit.)

solubility

H2O: 1 M, clear, colorless

density

2.13 g/cm3 at 20 °C

anion traces

chloride (Cl-): ≤0.005%
sulfate (SO42-): ≤0.05%

cation traces

Al: ≤0.0005%
Ca: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.02%
Mg: ≤0.0005%
Pb: ≤0.001%
Zn: ≤0.0005%

SMILES string

[OH-].[Na+]

InChI

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

InChI key

HEMHJVSKTPXQMS-UHFFFAOYSA-M

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Application

Sodium hydroxide has been used:
  • to adjust pH of solutions
  • in the process of scraping cells from culture plate
  • for the preparation of formaldehyde solution
  • for the sanitation of chromatography column

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H290 - H314

Hazard Classifications

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

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

危险化学品

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