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Merck
CN

76240

Paraformaldehyde

purum, ≥95.0% (T)

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)
UNSPSC Code:
12352100
MDL number:
MFCD00133991

Key Documents

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InChI

1S/CH2O/c1-2/h1H2

InChI key

WSFSSNUMVMOOMR-UHFFFAOYSA-N

vapor density

1.03 (vs air)

vapor pressure

<1.45 mmHg ( 25 °C)

grade

purum

assay

≥95.0% (T)

autoignition temp.

572 °F

expl. lim.

73 %

density

0.88 g/mL at 25 °C (lit.)

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Other Notes

This product has been replaced by 158127-Sigma-Aldrich | Paraformaldehyde, powder, 95% | HO(CH2O)nH

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

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

Regulatory Information

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Periodate-lysine-paraformaldehyde fixative. A new fixation for immunoelectron microscopy.
I W McLean et al.
The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society, 22(12), 1077-1083 (1974-12-01)
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
J P Allain et al.
The Journal of laboratory and clinical medicine, 85(2), 318-328 (1975-02-01)
Present methods for assay of platelet aggregating agents use freshly prepared platelets. Much time is spent in daily preparation of platelets and standardization presents problems. The preparation of fixed washed platelets (FWP) and their use in two bioassays are described
Kishore Natte et al.
Angewandte Chemie (International ed. in English), 53(38), 10090-10094 (2014-07-30)
Carbonylation reactions represent useful tools for organic synthesis. However, the necessity to use gaseous carbon monoxide is a disadvantage for most organic chemists. To solve this problem, novel protocols have been developed for conducting palladium-catalyzed reductive carbonylations of aryl bromides
Geralda A F van Tilborg et al.
Neoplasia (New York, N.Y.), 10(12), 1459-1469 (2008-12-03)
Angiogenic, that is, newly formed, blood vessels play an important role in tumor growth and metastasis and are a potential target for tumor treatment. In previous studies, the alpha(v)beta(3) integrin, which is strongly expressed in angiogenic vessels, has been used
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