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Sigma-Aldrich

Formaldehyde solution 4%, buffered, pH 6.9

(approx. 10% Formalin solution) for histology

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Synonym(s):
Formaline solution, Methanal solution, Methyl aldehyde solution

Quality Level

form

liquid

concentration

3.8-4.2% (acidimetric)

color

colorless

pH

6.7-7.1 ( in H2O)

bp

100 °C/1013 hPa

mp

-92 °C

density

1.017 g/cm3 at 20 °C

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

15-25°C

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1.03999FX0415FX0410
Supelco

Supelco

FX0415

Formaldehyde Solution

Supelco

Supelco

FX0410

Formaldehyde Solution

pH

6.7-7.1 ( in H2O)

pH

2.8-4 (20 °C in H2O)

pH

-

pH

-

bp

100 °C/1013 hPa

bp

93-96 °C/1013 hPa

bp

-

bp

-

mp

-92 °C

mp

<-15 °C

mp

-

mp

-

density

1.017 g/cm3 at 20 °C

density

1.09 g/cm3 at 20 °C

density

-

density

-

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

histology

application(s)

-

General description

Formaldehyde (HCOH) is one of the most familiar and effective fixatives. Formaldehyde fixation is suitable for nearly all types of histological tissue, as well as calcified deposits, bone, cartilage, nervous system specimens. The fixation of the histological specimen material of human or animal origin is commonly performed in a 4% or 10% Formaldehyde solution. Chemically, the 4 % Formaldehyde solution equals a 10 % Formalin solution. This Formaldehyde solution 4% is a ready-to-use working solution that is stabilized with phosphate buffer to protect tissue structures. The development of formic acid will be effective prevented. It is an IVD registered and CE certified product and can be applied for diagnostical purposes. For more details, please see instructions for use (IFU). The IFU can be downloaded from this webpage.

Pictograms

Exclamation markHealth hazard

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Carc. 1B - Muta. 2 - Skin Sens. 1

Storage Class Code

6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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