Skip to Content
Merck
All Photos(5)

Key Documents

View All Documentation

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

Signal Word

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 Code

4.1B - Flammable solid hazardous materials

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
SDBB1446
STBL3498
SDBB0489
STBL1038
STBL0660

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)
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)
L L Lanier et al.
Journal of immunological methods, 47(1), 25-30 (1981-01-01)
The objective of this study was to find a simple method to preserve cells for subsequent flow cytometry (FACS) analysis. We determined that fixation in 1% paraformaldehyde-0.85% saline solution did not significantly alter the Coulter volume, light scatter of fluorescence
View All Related Papers

Protocols

Protein Interactions

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

Protein Interactions

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

Protein Interactions

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

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