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S8045

Sigma-Aldrich

Sodium hydroxide

Sodium hydroxide

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

Synonym(s):

‘Caustic soda’

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About This Item

Linear Formula:
NaOH
CAS Number:
1310-73-2
Molecular Weight:
40.00
EC Number:
215-185-5
MDL number:
MFCD00003548
UNSPSC Code:
12352316
PubChem Substance ID:
329824595
NACRES:
NA.21
Pricing and availability is not currently available.

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[1]
  • in the process of scraping cells from culture plate[2]
  • for the preparation of formaldehyde solution[3]
  • for the sanitation of chromatography column[4]

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H290,H314

Hazard Classifications

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

Storage Class Code

8B - Non-combustible corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
0000368399
0000368399
0000410295
0000410295
0000406075

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Questions

1–2 of 2 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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