Selen CHEM-117756054 Technische Informationen CAS-Nummer: 7782-49-2 EC-Nummer: 231-957-4 Chemische Formel: Se Molare Masse: 78,96 g/mol Form: fest Farbe: grau bis schwarz Geruch: geruchlos pH-Wert: nicht anwendbar Schmelzpunkt: ca. 217 °C Siedepunkt: ca. 685 °C Selbstentzündungstemperatur: keine Daten verfügbar Flammpunkt: keine Daten verfügbar Explosionsgrenzen: keine...

Perchloric acid R-R 0.5 mol/L in glacial acetic acid Chemical formula: HClO₄ Molar mass: 100.46 g/mol CAS number: 7601-90-3 EC number: 231-512-4 Catalog number: CHEM-805649714 Technical information about the product Form: liquid Color: colorless Odor: odorless pH value: strongly acidic Concentration: 0.5 mol/L Solubility...

Perchloric acid R-R 0.5 mol/L in glacial acetic acid Chemical formula: HClO₄ Molar mass: 100.46 g/mol CAS number: 7601-90-3 EC number: 231-512-4 Catalog number: CHEM-805649714 Technical information about the product Form: liquid Color: colorless Odor: odorless pH value: strongly acidic Concentration: 0.5 mol/L Solubility...

Phenol R-R 25% aqueous p.d.a. CHEM*114144500 Technical information about chemical reagents: Chemical name: Phenol (C6H5OH) 25% aqueous solution in p.d.a. quality. CAS number: 108-95-2 Catalog number: 114144500 Concentration: 25% (w/w) (variant available at Chempur/Alchem) :contentReference[oaicite:1]{index=1} Examples of professional applications: Analytical laboratories: as a standard...

Phenol R-R 10% aqueous p.d.a. CHEM*114144504 Technical information about chemical reagents: Chemical name: Phenol (C6H5OH) Aqueous solution 10% p.d.a. CAS number: 108-95-2 Catalog number: 114144504 Molecular weight of phenol: 94.11 g/mol Examples of professional use: Analytical laboratories: as a standard for calibration of spectrophotometric...

Phenol R-R 5% aqueous p.d.a. CHEM*114144502 Technical information about chemical reagents: Chemical name: Phenol (C6H5OH) 5% aqueous solution filling standards p.d.a. CAS number: 108-95-2 Catalog number: 114144502 Concentration: 5.0 %±0.1 (measured result: 5.02 %) Examples of professional use: Analytical laboratories: Standard for calibration of...

Tin(II) sulfate CZ Chemical name: Tin(II) sulfate Chemical formula: SnSO4 Molar mass: 214.77 g/mol CAS number: 7488-55-3 EC number (EINECS): 231-302-2 Technical data Form: solid Color: white or grayish-white powder Odor: odorless pH value: no data Melting point: approx. 360°C (decomposition) Boiling point: not...

Zinc chloride 10% Technical information about chemical reagents: Chemical formula: ZnCl₂. CAS number: 7646-85-7 EC number: 231-592-0 Synonyms: Zinc chloride Type: p.d.a. (pure for analysis) Purity: 10.0 ± 0.5% Density: approx. 1.0899 g/cm³ (20°C) Examples of professional applications in various industries: Analytical laboratories: as...

Chromium(III) oxide green CZ Chemical name: Chromium(III) oxide Synonyms: Chromia, Chromium sesquioxide, Green chromium oxide, Pigment Green 17 Chemical formula: Cr2O3 Molar mass: 151.99 g/mol CAS number: 1308-38-9 EC number (EINECS): 215-160-9 Catalog number: CHEM-422505704 Hazard identification H-phrases: H302 - Harmful if swallowed; H317...

Ammonium rhodanate R-R 0.5 mol/L Chemical name: Ammonium rhodanide / Ammonium thiocyanate Chemical formula: NH₄SCN Molar mass: 76.12 g/mol CAS number: 1762-95-4 EC number: 217-175-6 Catalog number: CHEM-811395801 Physicochemical properties Form: aqueous solution Color: colorless Odor: no characteristic odor pH value: no information Melting...

Technical information on chemical reagents: Chemical designation: LEAD METAL GRANULES English name: Lead Synonyms: - Type: pure Chemical form: Pb Molar mass: 207.2 g/mol EC number: 231-100-4 CAS number: 7439-92-1 Purity level: ≥ 99.9%. Appearance: Gray granules Packaging: plastic container Shelf life: at least...

Technical information on chemical reagents: Reagent Name: Lead(II) chromate Chemical Name: LEAD(II) CHROMATE Synonyms: Lead chromate Species: pure Molecular Formula: PbCrO₄ Molar Mass: 323.18 g/mol EC Number: 231-846-0 CAS Number: 7758-97-6 Content: 98% Type: salts Appearance/Form: light yellow powder Packaging: plastic container. Shelf life:...

Technical information on chemical reagents: Reagent name: 2-naphthol Chemical name: 2-Naphthol Synonyms: Beta-naphthol, 2-hydroxynaphthalene Quality: pure Molecular formula: C10H7OH Molar mass: 144.17 g/mol EC number: 205-182-7 CAS number: 135-19-3 Purity: at least 98%. Type: other Appearance/Form: light pulverizer Packaging: plastic container Shelf life: at...

Technical information on chemical reagents: Reagent name: COBALT(II,III) OXIDE Chemical name: cobalt(II,III) oxide Synonyms: cobalt cobalt oxide Quality: pure Type: other Molecular formula: Co₃O₄ Molar mass: 240.8 g/mol EC number: 215-157-2 CAS number: 1308-06-1 Content: 95 Appearance/Form: black powder Packaging: plastic container Shelf life:...

Technical information on chemical reagents: Reagent name: COBALT(II,III) OXIDE Chemical name: cobalt(II,III) oxide Synonyms: cobalt cobalt oxide Quality: pure Type: other Molecular formula: Co₃O₄ Molar mass: 240.8 g/mol EC number: 215-157-2 CAS number: 1308-06-1 Content: 95 Appearance/Form: black powder Packaging: plastic container Shelf life:...

Technical information on chemical reagents: Reagent name: CADMIUM SULFATE Hydrate (Cadmium sulfate hydrate) Synonyms: Cadmium sulfate hydrate CAS number: 7790-84-3 EC number: 233-331-6 Type: salts Summenformel: 3CdSO₄ - 8H₂O Molar mass: 769.51 g/mol Content: 98 Appearance/Form: white, crystalline powder Packaging: Plastic container Shelf life:...

Technical information on chemical reagents: Reagent name: Methyl violet CAS number: 8004-87-3 EC number: 210-042-3 Type: Indicators Species: pure Summary formula: C₂₄H₂₈ClN₃ Molar mass: 394 g/mol Appearance/form: green powder Packaging: plastic container Shelf life: at least 24 months from delivery of goods Examples of...

Technical information on chemical reagents: Chemical formula: Ce(NO₃)₃ × 6H₂O CAS number: 10294-41-4 EC number: 233-297-2 Synonyms: Cerium nitrate hexahydrate Grade: Pure Molar mass: 434.2 g/mol Minimum content: 99%. Type: Salts Appearance/Form: hygroscopic solid (standard: colorless to slightly yellowish, crystalline) Examples of professional applications...

Technical information on chemical reagents: Chemical formula: BiC₆H₅O₇. CAS number: 813-93-4 EC number: 212-390-1 Synonyms: bismuth citrate, bismuth(III) citrate Type: salts Purity: pure Molar mass: 398.08 g/mol Appearance/Form: white powder Packaging type: plastic container Expiration date: at least 24 months from delivery of the...

Technical information on chemical reagents: Chemical formula: BiC₆H₅O₇. CAS number: 813-93-4 EC number: 212-390-1 Synonyms: bismuth citrate, bismuth(III) citrate Type: salts Purity: pure Molar mass: 398.08 g/mol Appearance/Form: white powder Packaging type: plastic container Expiration date: at least 24 months from delivery of the...