硼酸

InChI key

KGBXLFKZBHKPEV-UHFFFAOYSA-N

InChI

1S/BH3O3/c2-1(3)4/h2-4H

SMILES string

OB(O)O

grade

Molecular Biology

vapor pressure

2.6 mmHg ( 20 °C)

product line

BioUltra

assay

≥99.5% (T)

form

powder or crystals

technique(s)

DNA purification: suitable, RNA purification: suitable

impurities

DNases, none detected, RNases, none detected, insoluble matter, passes filter test, phosphatases, none detected, proteases, none detected, <0.05% non-volatile substances in MeOH/HCl

loss

≤0.5% loss on drying, 20 °C (HV)

pH

3.6-4.4 (25 °C, saturated solution in H₂O)

mp

160 °C (dec.) (lit.)

solubility

H₂O: 1 M, clear, colorless (hot)

density

1.49 g/cm³ at 23 °C

anion traces

chloride (Cl^-): ≤5 mg/kg, phosphate (PO₄^3-): ≤5 mg/kg, sulfate (SO₄^2-): ≤5 mg/kg

cation traces

Al: ≤5 mg/kg, As: ≤0.5 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

λ

1 M in H₂O

UV absorption

λ: 260 nm A_max: 0.015, λ: 280 nm A_max: 0.010

Quality Level

200