Name: THYMOLPHTHALEIN INDICATOR ACS (C005B-012878)
SKU: C005B-012878
Availability: OutOfStock

THYMOLPHTHALEIN INDICATOR ACS (C005B-012878)

Catalog No.

C005B-012878

Manufacturer No.

1081750005

Manufacturer Name

Sigma-Aldrich

Quantity

Unit of Measure

Analysis Note Identity (UV/VIS-Spectrum): passes test Appearance: White to almost white powder, eventually slightly yellowish. Clarity of solution (1 g/l ethanol): passes test Absorption maximum λ max.

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Description
Specifications

Analysis Note

Identity (UV/VIS-Spectrum): passes test
Appearance: White to almost white powder, eventually slightly yellowish.
Clarity of solution (1 g/l; ethanol): passes test
Absorption maximum λ_max. (buffer pH 10.5): 592 - 596 nm
Spec. Absorptivity A 1%/1cm (λ_max; 0.01 g/l; buffer pH 10.5; calculated on anhydrous substance): 800 - 900
Transition range: pH 9.0 - pH 10.5 colourless - blue
Transition range (according to ACS): passes test
Transition interval (according Reag. Ph. Eur.): passes test
Loss on drying (110 °C): ≤ 1 %

Molecular Weight: 430.54. Empirical Formula: C₂₈H₃₀O₄. grade: ACS reagent. Quality Level: 200. Agency: reag. Ph. Eur.. form: solid. loss: ≤. 1% loss on drying, 110Â°C. color: white to almost white. visual transition interval: 9.0-10.5, colorless to blue. mp: 253 . Â°C. bulk density: 400 . kg/m³. λ. _max: 592-596 nm (buffer pH 10.5). storage temp.: 2-30Â°C. InChI: 1S/C28H30O4/c1-15(2)20-13-23(17(5)11-25(20)29)28(22-10-8-7-9-19(22)27(31)32-28)24-14-21(16(3)4)26(30)12-18(24)6/h7-16,29-30H,1-6H3. InChI key: LDKDGDIWEUUXSH-UHFFFAOYSA-N. Storage Class Code: 11 - Combustible Solids. WGK: WGK 3. Flash Point(F): Not applicable. Flash Point(C): Not applicable.