Sodium Tetraborate 10 Hydrate (Borax)

Na2B4O7 · 10H2O (molecular mass: 381,37)

Expiration dateCASECIndeksHS code
BN-71/6191-992 years1303-96-4215-540-4005-011-01-12840 19 80

REACH: a registration number is not available as the annual tonnage does not require registration

H360FD: May damage fertility. May damage the unborn child
P201: Obtain special instructions before use.
P308+313: If exposed: Call a POISON CENTER or doctor/physician.

According to transport regulations, this product isn’t classified as hazardous.

chemical purepure p.a.pure
Appearancepowder or crystals
Colourwhite or colourless
Sodium tetraborate Na2Ba4O7 content [%]99,5 - 100,599,5 - 100,599,5 - 100,5
Substances insoluble in HCl content [% max]0,0030,0050,02
Heavy metals (as Pb2+) content [% max]0,00050,0010,002
Iron (Fe3+) content [% max]0,00030,00050,001
Calcium (Ca2+) content [% max]0,0050,01-
Arsenium (As) content [% max]0,00010,00050,001
Sulphates (SO42-) content [% max]0,0050,010,03
Phosphates (PO43-) content [% max]0,0010,0005-
Chlorides (Cl-) content [% max]0,00050,0020,005
Carbonates (CO32-) contentWg 5.2.3-