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Key Documents

8.06017

Sigma-Aldrich

Formaldehyde dimethyl acetal

for synthesis

Synonym(s):

Formaldehyde dimethyl acetal, Formal, Methylal, Dimethoxymethane

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About This Item

Linear Formula:
CH2(OCH3)2
CAS Number:
Molecular Weight:
76.09
MDL number:
UNSPSC Code:
12352112
EC Index Number:
203-714-2
NACRES:
NA.22

vapor pressure

440 hPa ( 20 °C)

Quality Level

Assay

≥93.0% (GC)

form

liquid

expl. lim.

1.6-17.6 % (v/v)

bp

42.3 °C/1013 hPa

mp

-105 °C

transition temp

flash point -18 °C

density

0.86 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C3H8O2/c1-4-3-5-2/h3H2,1-2H3

InChI key

NKDDWNXOKDWJAK-UHFFFAOYSA-N

Application

Formaldehyde dimethyl acetal for synthesis. CAS 109-87-5, EC Number 203-714-2, chemical formula CH₂(OCH₃)₂.

Analysis Note

Assay (GC, area%): ≥ 93.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.857 - 0.859
Methanol (GC, area%): ≤ 7.0 % (a/a)
Identity (IR): passes test

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Flam. Liq. 2 - STOT SE 2

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

-0.4 °F

Flash Point(C)

-18 °C


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