Sodium pyrosulfite Technical information about chemical reagents: Chemical formula: Na₂S₂O₅. CAS number: 7681-57-4 EC number: 231-673-0 Synonyms: Sodium metabisulfite, Disodium(IV) disulfate Molar mass: 190.1 g/mol Species: p.d.a. Purity: min. 98.0 % Water-insoluble substances: max. 0.005 %. Chlorides (Cl): max. 0.005 %. Heavy metals (Pb):...

Reagent Sand Indicator (R-R concentrated sand indicator EN 933-8) Technical information about chemical reagents: Physical state: liquid Color: red Odor: characteristic of acetic acid pH value: strongly acidic (due to acetic acid and dye content) Quality: technical / laboratory Examples of professional applications in...

Sodium thiosulfate analytical balance 0.1 mol/l referenced to NIST CHEM-168096014 Technical information about chemical reagents: Chemical Formula: Na₂S₂O₃-5H₂O CAS Number: 10102-17-7 EC Number: 231-867-5 Synonyms: Sodium thiosulfate, photographic salt, disodium sulfitosulfate Type: Analytical balance - solution referenced to the NIST standard Purity: ≥99% -...

Sodium thiosulfate analytical balance 0.001 mol/l CHEM-168096010 Technical information about chemical reagents: Chemical formula: Na₂S₂O₃-5H₂O CAS number: 10102-17-7 EC number: 231-867-5 Synonyms: Sodium thiosulfate, Disodium thiosulfate, photographic salt Type: Analytical balance for preparation of standard solutions Purity: ≥99% - analytical grade Examples of professional...

1-Naphthol R-R 0.1% Technical information about chemical reagents: Chemical formula: C10H8O CAS number: 90-15-3 EC number: 201-969-4 Synonyms: α-Naphthol, 1-Naphthalenol Type: Working solution Purity: 0.1% solution in water or ethanol (depending on source CHEM-526675402-) Examples of professional applications in various industries: Chemical laboratories: Used...

Formaldehyde 4% p.c. International designation: Formaldehyde 4% solution Chemical formula: HCHO Molar mass: 30.03 g/mol CAS number: 50-00-0 EC number: 200-001-8 Technical data Physical form: liquid Color: colorless Odor: no information pH value: no information Melting point: no data available Boiling point: no data...

Zinc chloride, anhydrous, p.d.a. Technical information about the chemical reagents: Chemical formula: ZnCl₂. CAS number: 7646-85-7 EC number: 231-592-0 Synonyms: zinc dichloride, zinc(II) chloride Type: p.d.a. (pure for analysis) Purity: min. 98.0% Molar mass: 136.28 g/mol Density: 2.91 g/cm³ (25°C) Bulk density: approx. 1400-1800...

Zinc chloride, anhydrous, p.d.a. Technical information about the chemical reagents: Chemical formula: ZnCl₂. CAS number: 7646-85-7 EC number: 231-592-0 Synonyms: zinc dichloride, zinc(II) chloride Type: p.d.a. (pure for analysis) Purity: min. 98.0% Molar mass: 136.28 g/mol Density: 2.91 g/cm³ (25°C) Bulk density: approx. 1400-1800...

Zinc chloride, anhydrous, p.d.a. Technical information about the chemical reagents: Chemical formula: ZnCl₂. CAS number: 7646-85-7 EC number: 231-592-0 Synonyms: zinc dichloride, zinc(II) chloride Type: p.d.a. (pure for analysis) Purity: min. 98.0% Molar mass: 136.28 g/mol Density: 2.91 g/cm³ (25°C) Bulk density: approx. 1400-1800...

Chromium(III) chloride hexahydrate p.d.a. Chemical name: Chromium(III) chloride hexahydrate Synonyms: Chromium trichloride 6-hydrate Chemical formula: CrCl3 - 6H2O Molar mass: 266.45 g/mol CAS number: 10060-12-5 EC number: 233-038-3 Catalog number: CHEM-11250250 Hazard identification H-phrases: H302 - Harmful if swallowed P-phrases: P262 - Do not...

Barium chromate Technical information about chemical reagents: Chemical formula: BaCrO₄ Molar mass: 253.33 g/mol CAS number: 10294-40-3 EC number: 233-660-5 Melting point: 210°C Density: 4.498 g/cm³ (15°C) Physical state: solid Color: yellow Odor: odorless Solubility in water: 0.00337 g/l (20°C) Solubility in organic solvents:...

Barium chromate Technical information about chemical reagents: Chemical formula: BaCrO₄ Molar mass: 253.33 g/mol CAS number: 10294-40-3 EC number: 233-660-5 Melting point: 210°C Density: 4.498 g/cm³ (15°C) Physical state: solid Color: yellow Odor: odorless Solubility in water: 0.00337 g/l (20°C) Solubility in organic solvents:...

Barium chromate Technical information about chemical reagents: Chemical formula: BaCrO₄ Molar mass: 253.33 g/mol CAS number: 10294-40-3 EC number: 233-660-5 Melting point: 210°C Density: 4.498 g/cm³ (15°C) Physical state: solid Color: yellow Odor: odorless Solubility in water: 0.00337 g/l (20°C) Solubility in organic solvents:...

Selenium CHEM-117756054 Technical Information CAS Number: 7782-49-2 EC Number: 231-957-4 Chemical Formula: Se Molar Mass: 78.96 g/mol Form: solid Color: gray to black Odor: odorless pH Value: not applicable Melting Point: approx. 217 °C Boiling Point: approx. 685 °C Auto-ignition Temperature: no data available...

Sodium Pyrosulfate (Na2S2O7) Technical Information Chemical Formula: Na2S2O7 CAS Number: 13870-29-6 EC Number: 237-625-5 Synonyms: Disodium Disulfate English Name: Sodium Pyrosulfate Grade/Purity: pure Molar Mass: 222.1 g/mol Professional Applications Sample Preparation (Material Analysis): Flux for melting mineral and oxide samples in the preparation of...

Technical information on chemical reagents: Chemical name: Potassium fluoride solution 10%. Synonyms: Potassium fluoride solution Molecular formula: KF Molar mass: 58.1 g/mol EC number: 232-151-5 CAS number: 7789-23-3 Content: 10 Density: 1.1 g/ml Type: salts Appearance: colorless liquid Packaging: plastic bottle Minimum shelf life:...

Sodium Nitroprusside CZDA CHEM-118052603 Technical Information Chemical Name: Sodium Nitroprusside Dihydrate Chemical Formula: Na₂[Fe(CN)₅NO] - 2H₂O Molar Mass: 297.95 g/mol CAS Number: 13755-38-9 EC Number: 237-396-1 Form: solid, crystals Color: red to dark red Odor: odorless pH Value (50 g/l, 20°C): 4.5 - 6.5...

Technical information on chemical reagents: Chemical formula: KOH CAS number: 1310-58-3 EC number: 215-181-3 Synonyms: potassium hydroxide solution Grade: pure Purity: 50 % Molar mass: 56.11 g/mol Density: 1.51 g/ml Appearance: colorless liquid Packaging: plastic bottle Shelf life: at least 12 months from delivery...

Technical information on chemical reagents: Chemical designation: phenol solution 50 % English name: phenol solution 50 % Synonyms: carbolic acid solution 50 % Species: pure Chemical formula: C₆H₅OH Molar mass: 94.11 g/mol EC number: 203-632-7 CAS number: 108-95-2 Appearance: clear to slightly yellowish liquid...

Technical information on chemical reagents: Chemical name: copper(II) sulfide Synonyms: copper sulfide Chemical formula: CuS CAS number: 1317-40-4 EC number: 215-271-2 Molar mass: 95.61 g/mol Purity: 95% Type: salts Appearance/Form: black powder Packaging: plastic container Expiration date: at least 24 months from delivery of...