Orthoboric Acid CAS 10043-35-3 Analytical Reagents

Product Name:Orthoboric acid

Synonyms:Boric Acid, Powder, Reagent;Boricacid,99.8%;boric acid solution;boric acid，technical;boric acid for condenser;boric acid for high purity;boric acid for medicine;boric acid for photographic grade

CAS:10043-35-3

MF:BH3O3

MW:61.83

EINECS:233-139-2

Melting point 160 °C (dec.) (lit.)

Boiling point 219-220 °C (9.7513 mmHg)

density 1.440 g/cm3

vapor pressure 2.6 mm Hg ( 20 °C)

storage temp. Store at +5°C to +30°C.

solubility H2O: soluble

pka8.91±0.43(Predicted)

form working solution

color ≤10(APHA)

Specific Gravity1.435

OdorOdorless

PH3.6-4.4 (25℃, saturated solution in H2O)

PH Range3.8 – 4.8

Water Solubility 49.5 g/L (20 ºC)

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