Skip to Content
MilliporeSigma
All Photos(5)

Documents

158127

Sigma-Aldrich

Paraformaldehyde

powder, 95%

Synonym(s):

Polyoxymethylene

Sign Into View Organizational & Contract Pricing
All Photos(5)

About This Item

Linear Formula:
HO(CH2O)nH
CAS Number:
30525-89-4
Molecular Weight:
30.03 (as monomer)
MDL number:
MFCD00133991
UNSPSC Code:
12352100
PubChem Substance ID:
24849719
NACRES:
NA.21

vapor density

1.03 (vs air)

Quality Level

200

vapor pressure

<1.45 mmHg ( 25 °C)

assay

95%

form

powder

autoignition temp.

572 °F

expl. lim.

73 %

mp

120-170 °C (lit.)

density

0.88 g/mL at 25 °C (lit.)

storage temp.

2-8°C

InChI

1S/CH2O/c1-2/h1H2

InChI key

WSFSSNUMVMOOMR-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

General description

Paraformaldehyde is also referred as polyoxymethylene. It participates as an external CO source in the synthesis of aromatic aldehydes and esters.

Other Notes

2024 CiteAb Award Winner for Supplier Succeeding in Parkinson′s Research

signalword

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Carc. 1B - Eye Dam. 1 - Flam. Sol. 2 - Muta. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

4.1B - Flammable solid hazardous materials

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
STBL3498
SDBB0489
STBL1038
STBL0660
STBL1414

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Cytometry, 256-256 (2000)
The effects of simvastatin on hippocampal caspase-3 and Bcl-2 expression following kainate-induced seizures in rats
Sun J, et al.
International Journal of Molecular Medicine, 30(4), 739-746 (2012)
Morphological and physiological species-dependent characteristics of the rodent Grueneberg ganglion
Brechbuhl J, et al.
Frontiers in Neuroanatomy, 8, 87-87 (2014)
Geometric effect of cell adhesive polygonal micropatterns on neuritogenesis and axon guidance
Jang Min Jee and Nam Yoonkey
Journal of Neural Engineering, 9(4), 046019-046019 (2012)
In Situ Hybridization in Neurobiology, 27-27 (1994)
View All Related Papers

Protocols

Protein Interactions

Formaldehyde cross-linking protocol detects specific protein interactions with confidence.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service