乙酸钠

产品名称

乙酸钠, anhydrous, BioUltra, suitable for luminescence, Molecular Biology, ≥99.0% (NT)

InChI key

VMHLLURERBWHNL-UHFFFAOYSA-M

InChI

1S/C2H4O2.Na/c1-2(3)4;/h1H3,(H,3,4);/q;+1/p-1

SMILES string

[Na+].CC([O-])=O

grade

Molecular Biology

product line

BioUltra

assay

≥99.0% (NT)

form

solid

autoignition temp.

1112 °F

impurities

DNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected

loss

≤0.5% loss on drying, 150 °C

pH

8.5-10.0 (25 °C, 3 M in H₂O)

pKa 

4.76 (acetic acid)

mp

>300 °C (dec.) (lit.)

solubility

H₂O: 3 M at 20 °C, clear, colorless

anion traces

chloride (Cl^-): ≤20 mg/kg
phosphate (PO₄^3-): ≤5 mg/kg
sulfate (SO₄^2-): ≤20 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤10 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: ≤200 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤10 mg/kg
Zn: ≤5 mg/kg

λ

3 M in H₂O

UV absorption

λ: 260 nm A_max: 0.03
λ: 280 nm A_max: 0.02

suitability

suitable for luminescence

Quality Level

200