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Safety Information

158127

Sigma-Aldrich

Paraformaldehyde

powder, 95%

Synonym(s):

Polyoxymethylene

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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

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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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PRTR

Class I Designated Chemical Substances

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

158127-25KG:4548173915685
158127-BULK:
158127-2.5KG:
158127-VAR:
158127-5G:4548173108308
158127-3KG:4548173108285
158127-100G:4548173108278
158127-25G:
158127-500G:4548173108292
158127-5KG:

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Certificates of Analysis (COA)

Lot/Batch Number
STBK7046
STBK5668
STBK5667
STBK4638
STBK4639

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Morphological and physiological species-dependent characteristics of the rodent Grueneberg ganglion
Brechbuhl J, et al.
Frontiers in Neuroanatomy, 8, 87-87 (2014)
Flow acetone-staining technique: A highly efficient procedure for the simultaneous analysis of DNA content, cell morphology, and immunophenotype by flow cytometry
Carbonari M, et al.
Cytometry. Part A : the Journal of the International Society For Analytical Cytology, 73(2), 168-174 (2008)
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)
In Situ Hybridization in Neurobiology, 27-27 (1994)
Cytometry, 256-256 (2000)
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Protocols

Protein Interactions

Selected Protocol from "Protein-Protein Interactions: A Molecular Cloning Manual, 2nd Edition,", Erica A. Golemis and Peter D. Adams. Protein Interactions Captured by Chemical Cross-linking: One-Step Cross-linking with Formaldehyde

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