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Kyselina chromtropová dvojsodná sůl dihydrát 98%

Dodávateľ: Thermo Fisher Scientific
Varování

Synonymá: 4,5-Dihydroxynaphthalene-2,7-disulphonic acid disodium salt dihydrate, Disodium 4,5-dihydroxynaphthalene-2,7-disulphonate dihydrate, 4,5-Dihydroxynaphthalene-2,7-disulphonic acid, disodium salt dihydrate, 4,5-Dihydroxy-2,7-naphthalenedisulphonic acid disodium salt dihydrate

155190250 155191000 155195000
ACRO155190250EA 74.9 EUR
ACRO155190250 ACRO155191000 ACRO155195000
Kyselina chromtropová dvojsodná sůl dihydrát 98%
Kyselina chromtropová dvojsodná sůl dihydrát
Vzorec: (HO)₂C₁₀H₄(SO₃Na)₂·2H₂O
Mw: 400.29
Teplota tavenia: >300 °C
Skladovacia teplota: Ambient
Číslo MDL: MFCD00150612
Číslo CAS: 5808-22-0
EINECS: 204-972-9
Merck Index: 13,02261

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Výsledky špecifikačného testu

Appearance Off-white to beige to grey to light brown Powder
Infrared spectrum Conforms
Titration with NaOH ≥97.5 %
Suitability (for det. of NO3 and HCHO) Passes test
Insoluble matter ≤0.02 % (in water)
Residue after ignition ≤0.2 %


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