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Key Documents

8.14549

Sigma-Aldrich

Formaldehyde diethyl acetal

for synthesis

Synonym(s):

Formaldehyde diethyl acetal, Diethoxymethane

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About This Item

Empirical Formula (Hill Notation):
C5H12O2
CAS Number:
462-95-3
Molecular Weight:
104.15
MDL number:
MFCD00009246
UNSPSC Code:
12352112
EC Index Number:
207-330-6

vapor pressure

70 hPa ( 20 °C)

Quality Level

200

assay

≥99% (GC)

form

liquid

autoignition temp.

174 °C

potency

3536 mg/kg LD50, oral (Rat)
>16600 mg/kg LD50, skin (Rat)

expl. lim.

1.5 % (v/v)

bp

88 °C/1013 hPa

mp

-66 °C

transition temp

flash point -6 °C

solubility

91 g/L

density

0.83 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C5H12O2/c1-3-6-5-7-4-2/h3-5H2,1-2H3

InChI key

KLKFAASOGCDTDT-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.829 - 0.832
Identity (IR): passes test

pictograms

Flame
GHS02

signalword

Danger

hcodes

H225

Hazard Classifications

Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

23.0 °F - closed cup

flash_point_c

-5 °C - closed cup

Certificates of Analysis (COA)

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