Skip to Content
Merck

28-4440

Sodium tetraborate decahydrate

JIS special grade, 99.0-103.0%

Synonym(s):

Borax decahydrate, Sodium borate decahydrate

Sign In to View Organizational & Contract Pricing.

Select a Size

About This Item

Linear Formula:
Na2B4O7 · 10H2O
CAS Number:
1303-96-4
Molecular Weight:
381.37
UNSPSC Code:
12352302
PubChem Substance ID:
329752922
EC Number:
215-540-4
MDL number:
MFCD00149193
Assay:
99.0-103.0%
Grade:
JIS special grade
Form:
crystalline

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

InChI key

CDMADVZSLOHIFP-UHFFFAOYSA-N

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;;;;;;;;;;

SMILES string

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

grade

JIS special grade

assay

99.0-103.0%

form

crystalline

availability

available only in Japan

pH

9.2 (10 g/L)

density

1.73 g/mL at 25 °C (lit.)

Looking for similar products? Visit Product Comparison Guide

Related Categories

Legal Information

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Danger

Hazard Classifications

Eye Irrit. 2 - Repr. 1B

Storage Class

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Class I Designated Chemical Substances

prtr

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

28-4440-BULK-J: + 28-4440-5-500G-J:

jan

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
U2296
U2988
U2639
U2324
U9753

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

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

Visit the Document Library

Qingzhou Cui et al.
The Analyst, 134(5), 875-880 (2009-04-22)
We developed a photonic crystal sensing method for diol containing species such as carbohydrates based on a poly(vinyl alcohol) (PVA) hydrogel containing an embedded crystalline colloidal array (CCA). The polymerized CCA (PCCA) diffracts visible light. We show that in the
Marco Frasconi et al.
Langmuir : the ACS journal of surfaces and colloids, 25(18), 11097-11104 (2009-08-22)
A highly stable biological film was prepared by casting an aqueous dispersion of protein and composite hydrogel obtained from the polysaccharide Scleroglucan (Sclg) and borax as a cross-linking agent. Heme proteins, such as hemoglobin (Hb), myoglobin (Mb), and horseradish peroxidase
C Cencetti et al.
Carbohydrate polymers, 90(3), 1362-1370 (2012-09-04)
Silver-loaded dressings are designed to provide the same antimicrobial activity of topical silver, with the advantages of a sustained silver release and a reduced number of dressing changes. Moreover, such type of dressing must provide a moist environment, avoiding fiber
Eunice F S Vieira et al.
Biomacromolecules, 9(4), 1195-1199 (2008-03-19)
Oxidized alginate (ADA) and oxidized alginate blended with chitosan (ADA-Chit) were prepared in the presence of borax and CaCl 2, and their interactions with an antifolate drug, pyrimethamine (PYR), have been investigated. Tablets with a mean diameter of 1.2 +/-
Hasan Turkez
Journal of applied toxicology : JAT, 28(5), 658-664 (2007-11-21)
Titanium dioxide (TiO(2)) is a potential carcinogenic/mutagenic agent although it is used in many areas including medical industries and cosmetics. Boron (as boric acid and borax) has also well-described biological effects and therapeutic benefits. In a previous study, sister-chromatid exchanges
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