amorphous Formaldehyde ice | SSHADE

Processing math: 50%

Solid phase

Official name: amorphous Formaldehyde ice

Name and identifiers

Secondary names: amorphous H2CO ice

Family: molecular solid
Class: polar molecular solid
Compound type: organic molecular solid

Chemical composition

Formula: $H_2CO$
Chemical formula: H2CO
Elemental formula: C O H2
Isotope mixture type: terrestrial abundance

2.0

	Formula	Name	Family	Number min-max	Mole fraction	Isotope mole fraction	State	Relevance
	$H_2CO$	Formaldehyde	molecule	1	1.0	1	pure	main

Chemical functions and bonds

Chemical functions

	Function	Number
	$R=CH_2$	1

Chemical bonds

	Bond	Number
	$\eqslantgtr C-H$	2
	$>C=O$	1

Class: molecular solids with polar molecules (02)
Type: with polyatomic organic polar molecules (CnHm...) (02.01)

Crystallography

Phase name: amorphous H2CO
Phase type: amorphous
Crystal system: amorphous

Physical properties

Molar mass: 30.026 $g/mol$

Thermodynamical properties

State NTP

solid

Phase transitions

Phase transition type	Other phases	Temperature - Pressure
solid-solid	to POM-H	above ??K

Phase transitions comments

polymerisation in Polyoxymethylene

Optical properties

Refringence type: isotropic
Pure color: colorless
Diaphaneity: transparent to translucent
Luster: vitreous