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SX0355

Sodium Borate, Decahydrate

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Synonym(s):

Sodium Borate, Decahydrate, Sodium Tetraborate, Dodecahydrate, Borax

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About This Item

Empirical Formula (Hill Notation):
B4Na2O7 · 10H2O
CAS Number:
1303-96-4
Molecular Weight:
381.37
UNSPSC Code:
12352302
EC Index Number:
215-540-4
MDL number:
MFCD00149193
Assay:
99.5-105.0%
Grade:
ACS reagent
Form:
crystals or granules
Solubility:
49.74 g/L
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grade

ACS reagent

Quality Level

200

agency

meets USP/NF

vapor pressure

0.213 hPa ( 20 °C)

assay

99.5-105.0%

form

crystals or granules

impurities

≤0.005% Insoluble matter

color

white

pH

9.2 (20 °C, 47 g/L in H2O)

mp

75 °C (Elimination of water of crystallisation)

solubility

49.74 g/L

anion traces

chloride (Cl-): ≤0.001%, phosphate (PO43-): ≤0.001%, sulfate (SO42-): ≤0.005%

cation traces

Ca: ≤0.005%, Fe: ≤5 ppm, heavy metals (as Pb): ≤0.001%

shipped in

ambient

storage temp.

room temp

SMILES string

[Na+].[Na+].B([O-])(OB([O-])OB=O)OB=O.O.O.O.O.O.O.O.O.O.O

InChI

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

InChI key

OJPFLODMGUZMKD-UHFFFAOYSA-N

Application

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Analysis Note

Assay99.5-105.0%Calcium (Ca)0.005% maxChloride (Cl)0.001% maxColorWhiteFormCrystals/granulesHeavy metals (as Pb)0.001% maxInsoluble matter0.005% maxIron (Fe)5ppm maxPhosphate (PO4)0.001% maxSulfate (SO4)0.005% maxpH of a 0.01 m solution at 25°C9.15-9.20

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

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’.

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