Boric Acid (USP-NF, BP, Ph. Eur.) pure, pharma grade

Solubility:

50 g/L (H₂O)

Physical Description:

Solid

Product Code:

141015

Product Name:

Boric Acid (USP-NF, BP, Ph. Eur.) pure, pharma grade

Specifications:

Assay (titr., calc. on dried subst.): 99.5 - 100.5 %
Assay (titr.): 99.0 - 100.5 %
Appearance of solution: passes test
Identity: passes test
Solubility (EtOH 96 %): passes test
pH (3.3 %; H₂O): 3.8 - 4.8
Loss on drying: max. 0.5 %
Residue on ignition (CH₃OH + HCl): max. 0.1 %
Residual solvents (Ph. Eur./USP): passes test
Organic substances: passes test
Sulfate: max. 0.045 %
Chloride: max. 0.002 %
Phosphate: max. 0.002 %
As: max. 0.0005 %
Fe: max. 0.001 %
Pb: max. 0.001 %
Cu: max. 0.001 %
Mg: max. 0.005 %
Ni: max. 0.001 %
Elemental impurities (according to ICH Q3D):
Class 1 (Cd): max. 0.5 ppm
Class 2B (Au): max. 10 ppm
Class 2B (Rh): max. 10 ppm
Class 2A (Co): max. 5 ppm
Class 3 (Li): max. 55 ppm
Class 1 (Pb): max. 0.5 ppm
Class 1 (As): max. 1.5 ppm
Class 1 (Hg): max. 1.5 ppm
Class 2A (V): max. 10 ppm
Class 2A (Ni): max. 20 ppm
Class 2B (Tl): max. 0.8 ppm
Class 2B (Pd): max. 10 ppm
Class 2B (Ir): max. 10 ppm
Class 2B (Os): max. 10 ppm
Class 2B (Ru): max. 10 ppm
Class 2B (Pt): max. 10 ppm
Class 2B (Se): max. 15 ppm
Class 2B (Ag): max. 15 ppm
Class 3 (Sb): max. 120 ppm
Class 3 (Ba): max. 140 ppm
Class 3 (Mo): max. 25 ppm
Class 3 (Cr): max. 25 ppm
Class 3 (Cu): max. 250 ppm
Class 3 (Sn): max. 600 ppm

Pittogrammi di pericolo

• 

WGK:

1

Storage:

RT

Signal Word:

Danger

GHS Symbols:

GHS08

H Phrases:

H360FD

P Phrases:

P201
P202
P280
P308+P313
P405
P501

EINECS:

233-139-2

CS:

28100090

Index Nr.:

005-007-00-2

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