Formaldehyde ≥37% in aqueous solution stabilized, GR ACS, Reag. Ph. Eur. analytical reagent, Sigma-Aldrich®

Supplier: MilliporeSigma

Corrosive Warning

Danger

Synonyms: Methylaldehyde , Methylaldehyde solution , Formol , Methanal solution , Formalin , Formaline solution , Paraformaldehyde aqueous solution

Stabilization: Stabilised with methanol 10%
M-Clarity™ quality level = MQ400

1.04003.5000 1.04003.2500 1.04003.9025 1.04003.1000 1.04003.1000 1.04003.5000 1.04003.2500 1.04003.9025

CA1.04003.2500CS 1195.8 CAD

CA1.04003.2500 CA1.04003.5000 CA1.04003.9025 CA1.04003.1000 EM1.04003.2500 EM1.04003.9025 EM1.04003.1000 EM1.04003.5000

Formaldehyde ≥37% in aqueous solution stabilized, GR ACS, Reag. Ph. Eur. analytical reagent, Sigma-Aldrich®

Formaldehyde

Formula: CH₂O
MW: 30.03 g/mol
Boiling Pt: 93…96 °C (1013 hPa)
Melting Pt: <–15 °C
Density: 1.09 g/cm3 (20 °C), 1.09 g/ml (25°C) (lit.)
Storage Temperature: Ambient

MDL Number: MFCD00003274
CAS Number: 50-00-0
UN: 2209
ADR: 8,III

Specification Test Results

Assay (acidimetric)	36.5 - 38.0 %
Assay (iodometric)	36.5 - 38.0 %
Identity	passes test
Color	≤ 10 Hazen
Appearance of solution	passes test
Free acid (as HCOOH)	≤ 0.025 %
Density (20 °C)	1.080 - 1.090 g/ml
Chloride (Cl)	≤ 0.0001 %
Sulfate (SO₄)	≤ 0.002 %
Heavy metals (as Pb)	≤ 0.0002 %
Fe (Iron)	≤ 0.0001 %
Methanol (GC)	9.0 - 11.0 %
Sulfated ash	≤ 0.002 %

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