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24-0630

Sigma-Aldrich

Paraformaldehyde

CP

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:
12352104

grade

CP

vapor density

1.03 (vs air)

vapor pressure

<1.45 mmHg ( 25 °C)

Assay

≥90% (HCHO)

form

solid

autoignition temp.

572 °F

expl. lim.

73 %

availability

available only in Japan

technique(s)

cell culture | mammalian: suitable

pH

4.0-5.5

mp

120-170 °C (lit.)

density

0.88 g/mL at 25 °C (lit.)

InChI

1S/CH2O/c1-2/h1H2

InChI key

WSFSSNUMVMOOMR-UHFFFAOYSA-N

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Signal Word

Danger

Hazard Classifications

Acute Tox. 3 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 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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