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Sigma-Aldrich

Formaldehyde solution 37%

(stabilized with about 10% methanol) for synthesis

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Synonym(s):
Formaline solution, Methanal solution, Methylaldehyde solution

Quality Level

form

liquid

autoignition temp.

300 °C (Formaldehyde)

expl. lim.

7-73 % (v/v) Formaldehyde)

concentration

36.5-38.0% (acidimetric)

pH

2.8-4.0 (20 °C in H2O)

bp

93-96 °C/1013 hPa

mp

<-15 °C

transition temp

flash point 62 °C (Formaldehyde)

density

1.09 g/cm3 at 20 °C

application(s)

histology

storage temp.

15-25°C

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FX04101.03999606758
Supelco

Supelco

FX0410

Formaldehyde Solution

autoignition temp.

300 °C (Formaldehyde)

autoignition temp.

-

autoignition temp.

300 °C (Formaldehyde)

autoignition temp.

-

expl. lim.

7-73 % (v/v) Formaldehyde)

expl. lim.

-

expl. lim.

7-73 % (v/v) Formaldehyde)

expl. lim.

-

pH

2.8-4.0 (20 °C in H2O)

pH

-

pH

2.8-4 (20 °C in H2O)

pH

-

bp

93-96 °C/1013 hPa

bp

-

bp

93-96 °C/1013 hPa

bp

-

mp

<-15 °C

mp

-

mp

<-15 °C

mp

-

Analysis Note

Identity: passes test
Assay (acidimetric): 36.5 - 38.0 %
Density (20 °C): 1.084 - 1.090 g/ml

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Carc. 1B - Eye Dam. 1 - Flam. Liq. 3 - Muta. 2 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

132.8 °F

Flash Point(C)

56 °C


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