Imidazole 99.5%, A.R | C3H4N2, 100 Gram

Buffer substance for pH 6.2 - 7.8

Synonym : 1,3-Diaza-2,4-cyclopentadiene; Glyoxaline

Grade : AR

Purity : 99.5%

CAS No. : 288-32-4

Molecular Formula : C3H4N2

Molecular Weight : 68.08

H.S.Code : 2933.29900

Shelf Life : 60 Months

Physical Properties

Physical state at 20 C : Solid

Colour : White to pale yellow

Odour : Amine like

pH value : 9.5 - 11

Melting point/ Freezing point [C] : 88 - 91 C

Flash point [C] : > 135 C

Boiling point [C] : 256 C

Vapour pressure [20C] : 0.003 hPa at 20 C

Density [g/cm3] : 1.03

Solubility in water [% weight] : Soluble in water

Partition coefficient Log Pow octanol / water at 20C : 0.02

Specification

Appearance : White to off white crystals/ crystalline powder/flakes

Assay (by HClO4 titration) : Min 99.5%

pH (5% solution in water) : 9.5 - 10.5

Melting point : 88 - 90C

Iron (Fe) : Max 0.0005%

Sulphated ash : Max 0.1%

Water (H2O) : Max 0.2%

Note :

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MOHON TANYAKAN STOCK TERLEBIH DAHULU

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Imidazole 99.5%, A.R (Glyoxaline) | C3H4N2, 100 Gram

Imidazole 99.5%, A.R (Glyoxaline) | C3H4N2, 100 Gram

Rp 1.046.500

Deskripsi