Skip to Content
Merck
CN
All Photos(3)

Documents

B3545

Sigma-Aldrich

Sodium tetraborate decahydrate

BioXtra, ≥99.5%

Sign Into View Organizational & Contract Pricing
All Photos(3)
Synonym(s):
Borax decahydrate, Sodium borate decahydrate
Linear Formula:
Na2B4O7 · 10H2O
CAS Number:
1303-96-4
Molecular Weight:
381.37
EC Number:
215-540-4
MDL number:
MFCD00149193
UNSPSC Code:
12352300
PubChem Substance ID:
24891726
NACRES:
NA.21

product line

BioXtra

Quality Level

200

Assay

≥99.5%

form

powder

impurities

≤0.001% Phosphorus (P)
≤0.1% Insoluble matter

pH

9.2 (10 g/L)

solubility

H2O: 0.1 M, clear, colorless

density

1.73 g/mL at 25 °C (lit.)

anion traces

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

cation traces

Al: ≤0.0005%
Ca: ≤0.01%
Cu: ≤0.0005%
Fe: ≤0.001%
K: ≤0.005%
Mg: ≤0.0005%
NH4+: ≤0.05%
Pb: ≤0.001%
Zn: ≤0.0005%

SMILES string

O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]B1Ob2ob([O-])ob(O1)o2

InChI

1S/B4O7.2Na.10H2O/c5-1-7-3-9-2(6)10-4(8-1)11-3;;;;;;;;;;;;/h;;;10*1H2/q-2;2*+1;;;;;;;;;;

InChI key

CDMADVZSLOHIFP-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

Application

Sodium tetraborate decahydrate has been used:
  • as a buffer component in biotinylation assay.
  • in preparation of methylene blue solution for histological staining.
  • as a component of trace metal solution for medium supplementation.

Biochem/physiol Actions

Sodium tetraborate decahydrate also called borax. Guar gum based gels crosslinked by borax are effective for wastewater treatment. Borax is used in the preparation of detergents and cosmetics. Borax elicits toxicity in the brain especially in aquatic organisms resulting in edema and congestion.

Legal Information

Pictograms

Health hazardExclamation mark
GHS08,GHS07

Signal Word

Danger

Hazard Statements

H319,H360FD

Hazard Classifications

Eye Irrit. 2 - Repr. 1B

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Differentiation of adipose stem cells seeded towards annulus fibrosus cells on a designed poly (trimethylene carbonate) scaffold prepared by stereolithography
Blanquer SBG, et al.
Journal of Tissue Engineering and Regenerative Medicine, 11(10), 2752-2762 (2017)
Preparation of glycoconjugates from unprotected carbohydrates for protein-binding studies
Hjuler CT, et al.
Nature Protocols, 12(11), 2411-2411 (2017)
Antimicrobial agents, triclosan, chloroxylenol, methylisothiazolinone and borax, used in cleaning had genotoxic and histopathologic effects on rainbow trout
Capkin E, et al.
Chemosphere, 182, 720-729 (2017)
Borax cross-linked guar gum hydrogels as potential adsorbents for water purification
Thombare N, et al.
Carbohydrate Polymers, 168, 274-281 (2017)
Growth and properties of sodium tetraborate decahydrate single crystals
Goel N, et al.
Materials Research Bulletin, 48(4), 1632-1636 (2013)
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service