Skip to Content
MilliporeSigma
All Photos(1)

Documents

8.06017

Sigma-Aldrich

Formaldehyde dimethyl acetal

for synthesis

Synonym(s):

Formaldehyde dimethyl acetal, Formal, Methylal, Dimethoxymethane

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
CH2(OCH3)2
CAS Number:
109-87-5
Molecular Weight:
76.09
MDL number:
MFCD00008495
UNSPSC Code:
12352112
EC Index Number:
203-714-2
NACRES:
NA.22

vapor pressure

440 hPa ( 20 °C)

Quality Level

200

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

signalword

Danger

Hazard Classifications

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

supp_hazards

EUH019

Storage Class

3 - Flammable liquids

wgk_germany

WGK 2

flash_point_f

-0.4 °F

flash_point_c

-18 °C

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service