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F1635

SAFC

Formaldehyde solution

contains 10-15% methanol as stabilizer, 37 wt. % in H2O

Synonym(s):

Formalin

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About This Item

Linear Formula:
HCHO
CAS Number:
50-00-0
Molecular Weight:
30.03
Beilstein:
1209228
MDL number:
MFCD00003274
UNSPSC Code:
12352114
PubChem Substance ID:
329799685
NACRES:
NA.21

vapor density

1.03 (vs air)

vapor pressure

52 mmHg ( 37 °C)

form

liquid

autoignition temp.

572 °F

contains

10-15% methanol as stabilizer

concentration

37 wt. % in H2O
37-38%

technique(s)

tissue processing: suitable

impurities

≤0.03% free acid (as HCOOH)

color

APHA: ≤10

pH

2.8-4.0

bp

97 °C

mp

-15 °C

density

1.09 g/mL at 25 °C (lit.)

SMILES string

[H]C([H])=O

InChI

1S/CH2O/c1-2/h1H2

InChI key

WSFSSNUMVMOOMR-UHFFFAOYSA-N

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General description

This product is 37wt% solution of formaldehyde in water. It contains 10-15% methanol as stabilizer.

Application

Formaldehyde solution has been used to prepare formaldehyde fixation/permeabilization solution that is employed to fix tissue samples.

Biochem/physiol Actions

Induces tumors in the nasal epithelium of rats, and is suspected to be a human carcinogen. Potent mutagen.

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

Eyes,Central nervous system, Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

133.0 °F - closed cup

Flash Point(C)

56.11 °C - closed cup

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’.

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Formaldehyde solution min. 37% free from acid stabilized with about 10% methanol and calcium carbonate for histology

Sigma-Aldrich

1.03999

Formaldehyde solution min. 37% free from acid

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