Clarity & colour of solution to pass B.P

Insolubles..................0.05% max

Cl.............................0.001% max

PO4..........................0.001% max

SO4..........................0.005% max

As............................0.0005% max

Ca...........................0.005% max

H.M (as Pb)..............0.01% max

NH4.........................0.001% max

Conforms to ACS

Formula:Na2B4O7.5H2O

MWT: 171.87

CAS: 12179-04-3 HSR002799