Chromotropsäure Dinatriumsalz Dihydrat 98%

Lieferant: Thermo Scientific
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Synonyms: 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 54.8 CHF
ACRO155190250 ACRO155191000 ACRO155195000
Chromotropsäure Dinatriumsalz Dihydrat 98%
Chromotropsäure Dinatriumsalz Dihydrat
Formel: (HO)₂C₁₀H₄(SO₃Na)₂·2H₂O
MW: 400,29 g/mol
Melting Pt: >300 °C
Lager Temperatur: Raumtemperatur
MDL Number: MFCD00150612
CAS-Nummer: 5808-22-0
EINECS: 204-972-9
Merck Index: 13,02261

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Spezifikation Testergebnisse

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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