chromium

• ChemBase ID: 112241
• Molecular Formular: Cr
• Molecular Mass: 51.9961
• Monoisotopic Mass: 51.9405075
• SMILES: [Cr]
• Canonical SMILES: [Cr]
• InChI: InChI=1S/Cr
• InChIKey: VYZAMTAEIAYCRO-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: chromium
• IUPAC Traditional name: chromium
• Synonyms: CHROMIUM, POWDER, 325 MESH; Chromium; Chromium, plasma standard solution, Specpure®, Cr 10,000 g/ml; Chromium, Oil based standard solution, Specpure®, Cr 1000 g/g; Chromium powder, -200 mesh; Chromium, plasma standard solution, Specpure®, Cr 1000 g/ml; Chromium pieces, 3-8mm (0.1-0.31in); Chromium powder, -100+325 mesh; Chromium pieces, 2-3mm (0.08-0.12in) thick; Chromium, plasma standard solution, Specpure®, Cr 10,000 g/ml; Chromium flakes, 2-12mm (0.08-0.47in); Chromium pieces, 3-12mm (0.12-0.47in); Chromium, AAS standard solution, Specpure®, Cr 1000 g/ml; Chromium powder, -10+20 mesh; QUILON® L chromium complex solution; Chromium sputtering target, 50.8mm (2.0in) dia x 3.18mm (0.125in) thick; Chromium sputtering target, 50.8mm (2.0in) dia x 6.35mm (0.250in) thick; Chromium sputtering target, 76.2mm (3.0in) dia x 3.18mm (0.125in) thick; Chromium sputtering target, 76.2mm (3.0in) dia x 6.35mm (0.250in) thick; Chromium powder, APS <10 micron; Chromium cubes, typically 6.35mm (0.25in) square; Chromium, Oil based standard solution, Specpure®, Cr 5000 g/g; Chromium granules, -4+7 mesh; Chromium pieces, 1-25mm (0.04-1in); Chromium pieces, electrolytic, 6mm & down, Puratronic®; Chromium powder, -325 mesh; Chromium pieces, irregular; Chromium cubes, 12.5mm (0.492in) square; Chromium crystallite pieces, 2-15mm (0.08-0.59in); Chromium powder, -100 mesh; 铬; 铬,等离子标准溶液, Specpure®, Cr 10,000®g/ml; 铬,油基标准溶液, Specpure®, Cr 1000®g/g; 铬粉, -200目; 铬,等离子标准溶液, Specpure®, Cr 1000®g/ml; 铬片, 3-8mm (0.1-0.31in); 铬粉, -100+325目; 铬片, 2-3mm (0.08-0.12in) 厚; 铬, 等离子标准溶液, Specpure®, Cr 1000 μg/ml; 铬, 等离子标准溶液, Specpure®, Cr 10,000 μg/ml; 铬片, 2-12mm (0.08-0.47in); 铬片, 3-12mm (0.12-0.47in); 铬, AAS标准溶液, Specpure®, Cr 1000 μg/ml; 铬粉末, -10+20 目; QUILON® L 铬络合物 溶液; 铬溅射靶, 50.8mm (2.0in) 直径 x 3.18mm (0.125in) 厚; 铬溅射靶, 50.8mm (2.0in) 直径 x 6.35mm (0.250in) 厚; 铬溅射靶, 76.2mm (3.0in) 直径 x 3.18mm (0.125in) 厚; 铬溅射靶, 76.2mm (3.0in) 直径 x 6.35mm (0.250in) 厚; 铬粉末, APS <10 微米; 铬立方体块, 通常 6.35mm (0.25in) 边长; 铬, 油基标准溶液, Specpure®, Cr 5000μg/g; 铬粒, -4+7目; 铬片, 1-25mm (0.04-1in); 铬片, 电解的, 6mm 或更小, Puratronic®; 铬粉末, -325 目; 铬片, 不规则; 铬立方体块, 12.5mm (0.492in) square; 铬单晶片, 2-15mm (0.08-0.59in); 铬粉末, -100 目

Database IDs

• CAS Number: 7440-47-3
• EC Number: 231-714-2; 231-595-7; 231-157-5
• MDL Number: MFCD00010944
• PubChem SID: 24856133; 24863343; 24853287; 24855468; 24856386; 162097301; 24856132; 24866366
• PubChem CID: 23976

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): -0.156
• LogD (pH = 7.4): -0.156
• Log P: -0.156
• Molar Refractivity: 0.0 cm^3
• Polarizability: 3.0762224 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Apperance: ≈14.7g/pc Hot Isostatically Pressed; Apparent density 2.0-3.0g/cm3; Broken plate; Broken Plate; Broken plate, Large irregular pieces; chips; chunks; grit; Liquid; lumps; powder
• Melting Point: 1857 °C(lit.); 4 °C
• Boiling Point: 2672 °C(lit.); 82 °C
• Flash Point: 10 °C; 50 °F
• Density: 1.025 g/mL at 25 °C; 7.14 g/mL at 25 °C(lit.)
• Resistivity: 12.7 μΩ-cm, 20°C

Safety Information

• RTECS: GB4200000
• European Hazard Symbols: Corrosive (C); Flammable (F); Nature polluting (N); Toxic (T); X; Harmful (Xn)
• UN Number: 2924; UN1789; UN3089; UN3264
• German water hazard class: 3
• Hazard Class: 3; 4.1; 8
• Packing Group: 2; III
• Risk Statements: 11-20/21/22-34-40; 11-40; 34; 40; 45; 50; R:10-22
• Safety Statements: 16-26-36/37/39-45; 20-23-26-36/37/39-45-60; 22-36/37; 23-26-36/37/39-45; 23-36/37; 36/37; 53-20-23-36/39-45; 61; S:16-36/37/39
• TSCA Listed: 否; 是
• GHS Pictograms: GHS02; GHS05; GHS08; GHS09
• GHS Signal Word: Warning
• GHS Hazard statements: H228-H351; H314; H314-H318; H350; H351; H400
• GHS Precautionary statements: P210-P241-P280-P308+P313-P405-P501A; P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A; P273; P281-P201-P202-P308+P313-P405-P501A
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RID/ADR: UN 2924 3/PG 2

Product Information

• Purity: ≥99%; ≥99% trace metals basis; ≥99.99% trace metals basis; 99%; 99% (metals basis); 99.2% (metals basis); 99.5%; 99.9%; 99.95%; 99.95% (metals basis); 99.95% trace metals basis; 99.97% (metals basis); 99.99% (metals basis); 99.995%; 99.995% (metals basis); 99.995% trace metals basis; 99.996% (metals basis); 99.996% (metals basis), Oxygen <100ppm, Nitrogen <50ppm; 99.997% (metals basis); 99.999% (metals basis)
• Concentration: 8.5-9.5 wt. % Cr in isopropanol
• Grade: coating quality; puriss.
• Particle Size: 0.7-3.5 mm; -100 mesh; -200 mesh; -325 mesh
• Impurities: ≤0.01% carbon (C); ≤0.01% S
• Cation Traces: Al: ≤1000 mg/kg; Fe: ≤2000 mg/kg; P: ≤100 mg/kg; Si: ≤1000 mg/kg
• Thickness: ~2 mm
• Diam. × Thickness: 3.00 in. × 0.125 in.
• Empirical Formula (Hill Notation): Cr

DETAILS

MP Biomedicals - 05223103

MP Biomedicals Rare Chemical collection

Sigma Aldrich - 374849

Packaging
50, 250 g in poly bottle

Sigma Aldrich - 420956

Legal Information
DuPont Product
QUILON is a registered trademark of E. I. du Pont de Nemours and Company

Sigma Aldrich - 266264

Packaging
50, 250 g in poly bottle

Sigma Aldrich - 266299

Packaging
5, 100, 500 g in glass bottle

Sigma Aldrich - 749052

Application
Sputtering is a process whereby atoms are ejected from a solid target material due to bombardment of the target by energetic particles. It is commonly used for thin-film deposition, etching and analytical techniques.
包装
1 ea in rigid mailer

Sigma Aldrich - 255610

Packaging
100 g in poly bottle