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11648

Sigma-Aldrich

Borax Anhydrous

anhydrous, ≥98%, granular (dry)

Synonym(s):

Sodium tetraborate

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About This Item

Linear Formula:
Na2B4O7
CAS Number:
1330-43-4
Molecular Weight:
201.22
EC Number:
215-540-4
MDL number:
MFCD00081185
UNSPSC Code:
12352302

Quality Level

100

assay

≥98%

form

granular (dry)

impurities

≤0.005% heavy metals (as Pb)

anion traces

chloride (Cl-): ≤1000 mg/kg
sulfate (SO42-): ≤500 mg/kg

cation traces

Fe: ≤50 mg/kg

SMILES string

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

InChI

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

InChI key

UQGFMSUEHSUPRD-UHFFFAOYSA-N

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Legal Information

replaced by

Product No.
Description
Pricing

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_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type P2 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
61460
60470
12570
10570
72290

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