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kwas chromotropowy, sól disodowa, dihydrat 98%

Dostawca: Thermo Fisher Scientific
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Synonim: 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 297 PLN
ACRO155190250 ACRO155191000 ACRO155195000
kwas chromotropowy, sól disodowa, dihydrat 98%
kwas chromotropowy, sól disodowa, dihydrat
Formuła: (HO)₂C₁₀H₄(SO₃Na)₂·2H₂O
MW: 400.29 g/mol
Temp. topnienia: >300 °C
Temperatura przechowywania: Temperatura otoczenia
Numer MDL: MFCD00150612
Numer CAS: 5808-22-0
Numer WE (dawny EINECS): 204-972-9
Klasyfikacja Merck : 13,02261

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Wyniki testów specyfikacyjnych

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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