Paraformaldehyde for synthesis, Sigma-Aldrich®

Supplier: Merck
Danger

Synonyms: Polyoxymethylene

M-Clarity™ quality level = MQ200

8.18715.0100 8.18715.1000 8.18715.9025
8.18715.0100EA 26.7 GBP
8.18715.0100 8.18715.1000 8.18715.9025
Paraformaldehyde for synthesis, Sigma-Aldrich®
Paraformaldehyde
Formula: (CH₂O)n
Boiling Pt: 135…136 °C (13 mmHg)
Melting Pt: 123 °C
Density: 1,46 g/cm³ (20 °C)
Flash Pt: 70 °C
Storage Temperature: Refrigerator
MDL Number: MFCD00133991
CAS Number: 30525-89-4
UN: 2213
ADR: 4.1,III
Merck Index: 13,07096

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Specification Test Results

Solubility (20 °C) slightly soluble
Melting Point 100 - 130 °C
Vapor Pressure 1.93 hPa (25 °C)
Flash Point 70 °C
Explosion Limit 7 - 73 %(V)
Density 1.4 g/cm3 (20 °C)
pH 5.5 (H2O, 20 °C) (saturated solution)
Ignition Point 300 °C
Hazard Class 4.1
Hazard Class Description Flammable Solid

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