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8.18708

Sigma-Aldrich

Formaldehyde solution

37%, (stabilized with about 10% methanol) for synthesis

Synonym(s):

Formaline solution, Methanal solution, Methylaldehyde solution

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About This Item

UNSPSC Code:
12352114
NACRES:
NA.22

product name

Formaldehyde solution 37%, (stabilized with about 10% methanol) for synthesis

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

Application

  • Lymph node harvesting in colon cancer: The practical application of Formaldehyde solution 37% in lymph node harvesting after laparoscopic surgery for colon cancer showcases its role in improving diagnostic accuracy and treatment outcomes (Nguyen et al., 2024).

Analysis Note

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

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

Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

132.8 °F

flash_point_c

56 °C


Certificates of Analysis (COA)

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