1,3-Dihydroksynaftalen ≥99.00%, crystalline, Sigma-Aldrich®

Leverandør: SIGMA-ALDRICH MICROSCOPY
Warning


M-Clarity™ quality level = MQ200

N6250-10G N6250-1G N6250-25G N6250-5G
N6250-10GEA 4050 NOK
N6250-10G N6250-1G N6250-25G N6250-5G
1,3-Dihydroksynaftalen ≥99.00%, crystalline, Sigma-Aldrich®
1,3-Dihydroksynaftalen

1,3-Dihydroxynaphthalene is a dye intermediate forming stable colors when applied with particular mordants and in mixtures with other oxidising dyes. This specific reagent is intended for the quantitative colorimetric determination of alduronic acids, such as glucuronic acid from urine. The mutagenicity of ozonation derivatives of 1,3-dihydroxynaphthalene against several Salmonella typhimurium strains has been studied.


1,3-Dihydroxynaphthalene is utilised in carbohydrate chromatography, sometimes in conjunction with resorcinol. It has been used incorporated into a thin-layer electrophoretic method for the analysis of biomass degradation products which contain comprising mono-, oligo- and polysaccharides, and their derivatives, in addition to phenolic compounds.


1,3-Dihydroxynaphthalene is soluble in ethanol (50 mg/ml), with heat as needed, yielding a clear to slightly hazy, colourless to orange-brown solution. It is also soluble in water and ether.

Formel: C₁₀H₈O₂
Kokepunkt: 386 °C (1013 hPa)
Smeltepunkt: 123,..125 °C (lit.)
Tetthet: 1,12 g/cm³ (20 °C)
Lagringstemperatur: Room Temperature
MDL nummer: MFCD00003965
CAS-nummer: 132-86-5
EINECS: 205-079-7
Merck Indeks: 12,06483
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Spesifikasjon Testresultater

Appearance (colour) White to brown
Appearance (form) Powder
Purity (HPLC area %) ≥ 99 %
Solubility (colour) Light brown-yellow to very dark brown-yellow to very dark brown
Solubility (turbidity) Clear to slightly hazy
Solubility (method) 50mg/ml ethanol
Recommended retest period 48 months

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