ERIOCHROME BLACK T (C.I. 14645) INDICATOR FOR COMPLEXOMETRY ACS;REAG. PH EUR

Code: 1031700025 D2-231

Analysis Note

Identity (UV/VIS-Spectrum): passes testAppearance: Black to dark brown-black fine powder, eventually with granular partsClarity of solution: passes testAbsorpti...


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Analysis Note

Identity (UV/VIS-Spectrum): passes testAppearance: Black to dark brown-black fine powder, eventually with granular partsClarity of solution: passes testAbsorption maximum λmax. (buffer pH 10.0): 612 - 616 nmSpec. Absorptivity A 1%/1cm (λmax; 0.02 g/l; buffer pH 10.0; calc. on dried substance): 400 - 510Loss on drying (110 °C): ≤ 7 %Suitability as indicator (for complexometric titration, ACS): passes testSuitability as indicator (Reag. Ph Eur): passes test

Linkage

Replaces: EX0100-5; EX0100

Packaging

25, 100 g in Glass bottle

λmax612-616 nm (buffer pH 10.0)
agencyreag. Ph. Eur.
bulk density400‑600 kg/m3
colorblack to dark brown
formpowder
gradeACS reagent
InChI keyJHUJLRKQZAPSDP-GXTSIBQPSA-M
InChI1S/C20H13N3O7S.Na/c24-17-10-18(31(28,29)30)15-9-12(23(26)27)6-7-14(15)19(17)22-21-16-8-5-11-3-1-2-4-13(11)20(16)25;/h1-10,21,25H,(H,28,29,30);/q;+1/p-1/b22-19-;
loss≤7% loss on drying, 110°C
pH3.7 (20 °C, 10 g/L in H2O)
potency17590 mg/kg LD50, oral (Rat)
Quality Level200
solubility50 g/L
storage temp.15-25°C
Code
Description
Unit Size
List Price
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1031700100
ERIOCHROME BLACK T (C.I. 14645) INDICATOR FOR COMPLEXOMETRY ACS;REAG. PH EUR

Unit:EACH
List Price: £170.00
Source:List Price
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Cas Number1787-61-7
This product has met the following criteria: