Formaldehyde solution about 37% GR for analysis stabilized with about 10% methanol ACS;Reag. Ph Eur

Code: 1040039025 D2-231

Analysis Note

Assay (acidimetric): 36.5 - 38.0 %Assay (iodometric): 36.5 - 38.0 %Identity: passes testColor: ≤ 10 HazenAppearance of solution: passes testFree acid (as ...


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Analysis Note

Assay (acidimetric): 36.5 - 38.0 %Assay (iodometric): 36.5 - 38.0 %Identity: passes testColor: ≤ 10 HazenAppearance of solution: passes testFree acid (as HCOOH): ≤ 0.025 Þnsity (20 °C): 1.080 - 1.090 g/mlChloride (Cl): ≤ 0.0001 %Sulfate (SO4): ≤ 0.002 %Heavy metals (as Pb): ≤ 0.0002 þ (Iron): ≤ 0.0001 %Methanol (GC): 9.0 - 11.0 %Sulfated ash: ≤ 0.002 %

General description

Formaldehyde (HCOH) is one of the most familiar and effective fixatives. 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.

Packaging

25 l in Plastic container

1, 2.5, 5 l in Plastic bottle

agencyreag. Ph. Eur.
application(s)diagnostic assay manufacturinghematologyhistology
assay36.5-38.0% (iodometric, acidimetric)
autoignition temp.300 °C (Formaldehyde)
bp93-96 °C/1013 hPa
density1.09 g/cm3 at 20 °C
expl. lim.7-73 % (v/v) Formaldehyde)
formliquid
gradeACS reagent
mp﹤-15 °C
pH2.8-4.0 (20 °C in H2O)
Quality Level400
storage temp.15-25°C
transition tempflash point 62 °C (Formaldehyde)
Hazard Class8
Un Number2209
Pack GroupIII
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