甲醛 溶液

InChI key

WSFSSNUMVMOOMR-UHFFFAOYSA-N

SMILES string

[H]C([H])=O

InChI

1S/CH2O/c1-2/h1H2

grade

ACS reagent, puriss. p.a.

vapor density

1.03 (vs air)

autoignition temp.

572 °F

contains

~10% methanol as stabilizer

concentration

≥36.5% in H₂O (T)

impurities

acid, none detected, ≤0.03% free acid (as HCOOH)

ign. residue

≤0.005% (as SO₄)

refractive index

n20/D 1.377

density

1.09 g/mL at 20 °C, 1.09 g/mL at 25 °C (lit.)

anion traces

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

cation traces

Ca: ≤5 mg/kg, Cd: ≤1 mg/kg, Co: ≤1 mg/kg, Cr: ≤1 mg/kg, Cu: ≤1 mg/kg, Fe: ≤1 mg/kg, K: ≤20 mg/kg, Mg: ≤1 mg/kg, Mn: ≤1 mg/kg, Na: ≤100 mg/kg, Ni: ≤1 mg/kg, Pb: ≤1 mg/kg, Zn: ≤1 mg/kg