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Merck

F1635

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
UNSPSC Code:
12352114
NACRES:
NA.21
PubChem Substance ID:
329799685
MDL number:
MFCD00003274
Beilstein/REAXYS Number:
1209228
Technique(s):
tissue processing: suitable
Bp:
97 °C
Vapor pressure:
52 mmHg ( 37 °C)

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Product Name

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

SMILES string

[H]C([H])=O

InChI key

WSFSSNUMVMOOMR-UHFFFAOYSA-N

InChI

1S/CH2O/c1-2/h1H2

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.)

Quality Level

200

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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.

General description

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

signalword

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

3 - Flammable liquids

wgk

WGK 3

flash_point_f

133.0 °F - closed cup

flash_point_c

56.11 °C - closed cup

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Certificates of Analysis (COA)

Lot/Batch Number
MKCQ6337
MKCQ1419
MKCP7619
MKCM5006
MKCL7192

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To determine the pathologic basis of areas not exhibiting signal of the short-T2 component of the T2 relaxation distribution in MS, as studied in formalin-fixed brain. A myelin-specific MRI signal would be of great importance in assessing demyelination in patients
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Product Information Sheet - F1635

Product Information Sheet

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