Merck
  • 158127
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158127

Sigma-Aldrich

Paraformaldehyde

powder, 95%

All Photos(5)
Synonym(s):
Polyoxymethylene
Linear Formula:
HO(CH2O)nH
CAS Number:
30525-89-4
Molecular Weight:
30.03 (as monomer)
MDL number:
MFCD00133991
PubChem Substance ID:
24849719
NACRES:
NA.21

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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.

Packaging

5 g in glass bottle
25, 100, 500 g in poly bottle
3, 5 kg

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.

Poisonous_And_Deleterious

Deleterious substance

PRTR

Specified 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
158127-5G:4548173108308
158127-3KG:4548173108285
158127-100G:4548173108278
158127-500G:4548173108292

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

More Documents

Spectra - ATR-IR
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