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16005

Paraformaldehyde

meets analytical specification of DAC, 95.0-100.5%

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
PubChem Substance ID:
24849849
NACRES:
NA.22
MDL number:
MFCD00133991
Assay:
95.0-100.5%
Technique(s):
NMR: suitable
Vapor pressure:
<1.45 mmHg ( 25 °C)
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vapor density

1.03 (vs air)

Quality Segment

vapor pressure

<1.45 mmHg ( 25 °C)

assay

95.0-100.5%

form

powder

autoignition temp.

572 °F

quality

meets analytical specification of DAC

expl. lim.

73 %

technique(s)

NMR: suitable

impurities

residual solvents, in accordance, <0.1% sulfated ash, 10 ppm heavy metals (as Pb)

mp

120-170 °C (lit.)

solubility

water: insoluble

density

0.88 g/mL at 25 °C (lit.)

suitability

in accordance for appearance of solution, suitable for acidity or alkalinity (complying)

storage temp.

2-8°C

SMILES string

[O-]#[C+H2]

InChI

1S/CH2O/c1-2/h1H2

InChI key

WSFSSNUMVMOOMR-UHFFFAOYSA-N

General description

Buffered picric acid-paraformaldehyde fixative is suitable for use in electron microscopy and light-microscopic immunocytochemistry.

Application

Paraformaldehyde was used in the preparation of azomethine ylide, required for the synthesis of amine-modifying single-walled carbon nanotubes. It was also used in the preparation of α-methylenechromanes, α-methylenequinoline and ortho-quinone methides.

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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

4.1B - Flammable solid hazardous materials

WGK

WGK 2

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

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

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.

Class I Designated Chemical Substances

prtr

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

16005-6X1KG-R: + 16005-25KG-R:4548173296661 + 16005-1KG-R:4548173296654 + 16005-VAR-R: + 16005-BULK-R:

jan

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