Formaldehyde ≥37% in aqueous solution stabilised, GR ACS, Reag. Ph. Eur. analytical reagent, Sigma-Aldrich®
Supplier: Merck
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About this item
Synonyms: Paraformaldehyde aqueous solution, Methanal solution, Methylaldehyde solution, Formol, Formaline solution, Formalin, Methylaldehyde
CAS Number:50-00-0
:
Formula:CH₂O
MDL Number:MFCD00003274
Boiling Pt:-19.3
:10 % Stabilised with methanol
Molecular Weight:30.03 g/mol
Melting Pt:-92
ADR:8 III
Merck Index:13,04259
:M-Clarity™ quality level = MQ400
EINECS:200-001-8
UN:2209
:GHS06
:GHS08
:GHS05
Storage Temperature:Ambient
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Specifications
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Specifications
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 %
Specification Test Results
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