Paraformaldehyde CAS 30525-89-4

Paraformaldehyde Basic information

Product Name:

Paraformaldehyde

CAS:

30525-89-4

MF:

(CH2O)x

MW:

30.03

EINECS:

608-494-5

Mol File:

30525-89-4.mol

Paraformaldehyde Chemical Properties

Melting point

120-170 °C (lit.)

Boiling point

107.25°C (rough estimate)

density

0.88 g/mL at 25 °C (lit.)

vapor density

1.03 (vs air)

vapor pressure

<1.45 mm Hg ( 25 °C)

refractive index

1.4540 (estimate)

Fp

158 °F

storage temp.

2-8°C

solubility

chlorophenol above 70°C: soluble

form

prilled

color

White to off-white

PH

5.5 (H2O, 20℃)(saturated solution)

Odor

odor of formaldehyde

PH Range

4 - 5.5

explosive limit

7-73%(V)

Water Solubility

sparingly soluble

Merck

147,025

BRN

102769

Dielectric constant

4.0（Ambient）

Stability:

Stable. Incompatible with strong acids, organic acids, strong oxidizing agents, oxides, alkalies, strong bases, amines. Combustible. Dust may form an explosive mixture with air. Liberates poisonous gases on combustion.

InChI

1S/CH2O/c1-2/h1H2

InChIKey

VHWYCFISAQVCCP-UHFFFAOYSA-N

SMILES

[O-]#[C+H2]

EPA Substance Registry System

Paraformaldehyde (30525-89-4)

Item

Standard

Results

Appearance

White powder

White powder

Formaldehyde

content 96±1%

95.96%

Formic acid content

≤0.03%

0.02%

Ash

≤0.05%

0.03%

Ph value

4--7

5.8

Conclusion

Qualified