3-NITROPHENOL INDICATOR 25 G

Analysis Note

Purity (DSC (differential scanning calorimetry)): ≥ 98 %
Identity (UV/VIS-Spectrum): passes test
Melting point (DSC (differential scanning calorimetry)): 94 - 98 °C
Transition range: pH 6.6 - pH 8.6colourless - yellow
Absorption maximum λ_max. (buffer pH 6.6): 329 - 333 nm
Absorption maximum λ_max. (buffer pH 11.0): 389 - 393 nm
Spec. Absorptivity A 1%/1cm (λ1_max; 0.05 g/l; buffer pH 6.6): 130 - 150
Spec. Absorptivity A 1%/1cm (λ2_max; 0.05 g/l; buffer pH 11.0): 100 - 120

Molecular Weight: 139.11. Empirical Formula: C₆H₅NO₃. Quality Level: 200. Assay: ≥. 98% (DSC (differential scanning calorimetry)). form: solid. autoignition temp.: 400 . °C. potency: 328 . mg/kg LD₅₀, oral (Rat). pH: 6.6-8.6 (20 . °C in H₂O). bp: 194 . °C/93 . hPa. mp: 95-98 . °C. transition temp: flash point >. 100 . °C. solubility: insoluble 13.5 . g/L. density: 1.49 . g/cm³ . at 20 . °C. bulk density: 640 . kg/m³. λ. _max: 329-333 nm (buffer pH 6.6), 389-393 nm (buffer pH 11.0). storage temp.: 2-30°C. InChI: 1S/C6H5NO3/c8-6-3-1-2-5(4-6)7(9)10/h1-4,8H. InChI key: RTZZCYNQPHTPPL-UHFFFAOYSA-N. Pictograms: GHS05,GHS07. Signal Word: Danger. Hazard Statements: H302 - H315 - H318. Precautionary Statements: P264 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338 - P332 + P313. Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2. Storage Class Code: 6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects. WGK: WGK 3.