Formaldehyde solution

InChI

1S/CH2O/c1-2/h1H2

SMILES string

[H]C([H])=O

InChI key

WSFSSNUMVMOOMR-UHFFFAOYSA-N

grade

Molecular Biology

vapor density

1.03 (vs air)

vapor pressure

52 mmHg ( 37 °C)

product line

BioReagent

form

liquid

autoignition temp.

572 °F

contains

~10% methanol as stabilizer

concentration

≥36.0% in H₂O (T), 36.0-38.0% (aldehyde method)

technique(s)

electrophoresis: suitable

impurities

≤0.03% free acid (as HCOOH)

ign. residue

≤0.05% (as SO₄)

pH

2.8-4.0

density

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

anion traces

chloride (Cl^-): ≤10 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/mL

λ

2 M in H₂O

UV absorption

λ: 260 nm A_max: 0.01, λ: 280 nm A_max: 0.01

suitability

in accordance for electrophoresis of RNA in agarose gels

storage temp.

room temp

Quality Level

100