Specification Sheet

Product Name
Boric acid puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., buffer substance, ≥99.8%

Product Number
31146

Product Brand
SIGALD

CAS Number
10043-35-3

Molecular Weight
61.83

Test

Specification

APPEARANCE (COLOR)Colorless or White
APPEARANCE (FORM)Powder or Crystals
TITRATION (T) NAOH 1M99.8 - 100.2 %
INSOLUBLE MATTER≤ 0.005 % (in MeOH)
SOLUBILITY (METHOD)solubility in Ethanol: complying
PH3.8 - 4.8-br-3.6 - 4.0
PH (METHOD)3.3% in H2O 20C-br-4% in H2O 20C
ORGANIC MATTERComplying
NON-VOLATILE MATTER≤ 0.05 % (with methanol-HCl)
HEAVY METALS≤ 5 ppm
ACS SPECIFICATIONSMEETS CURRENT ACS REQUIREMENTS
ARSEN≤ 0.0005 %
CALCIUM≤ 0.001 %
CADMIUM≤ 0.0005 %
COPPER≤ 0.0005 %
IRON≤ 0.0001 %
MAGNESIUM≤ 0.0005 %
LEAD≤ 0.0005 %
ZINC≤ 0.0005 %
CHLORIDE (CL)≤ 3 mg/kg
PHOSPHATE (PO4)≤ 5 mg/kg
SULFATE (SO4)≤ 5 mg/kg
RECOMMENDED RETEST PERIOD60 Months

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