乙酸钠

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