barium

• ChemBase ID: 109659
• Molecular Formular: Ba
• Molecular Mass: 137.327
• Monoisotopic Mass: 137.905247
• SMILES: [Ba]
• Canonical SMILES: [Ba]
• InChI: InChI=1S/Ba
• InChIKey: DSAJWYNOEDNPEQ-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: barium; barium dihydride
• IUPAC Traditional name: barium; barium dihydride
• Synonyms: Barium, Oil based standard solution, Specpure®, Ba 1000 g/g; Barium, plasma standard solution, Specpure®, Ba 1000 g/ml; Barium crystalline dendritic solid; Barium, plasma standard solution, Specpure®, Ba 10,000 g/ml; Barium, AAS standard solution, Specpure®, Ba 1000 g/ml; Barium pieces, 2.5cm (1in) & down; BARIUM; Barium standard for ICP; Barium nitrate solution; Barium standard for IC; Barium; Barium rod, 22mm (0.9in) dia x 450mm (17.7in); Barium, Oil based standard solution, Specpure®, Ba 5000 g/g; Barium rod, 22mm (0.9in) dia; 钡,油基标准溶液, Specpure®, Ba 1000®g/g; 钡,等离子标准溶液, Specpure®, Ba 1000®g/ml; 固态树状钡晶体; 钡,等离子标准溶液, Specpure®, Ba 10,000®g/ml; 钡, AAS标准溶液, Specpure®, Ba 1000 μg/ml; 钡片, 2.5cm (1in) 或更小; 钡 ICP 标准液; 硝酸钡 溶液; 钡 IC 标准液; 钡; 钡棒, 22mm (0.9in) 直径 x 450mm (17.7in); 钡, 油基标准溶液, Specpure®, Ba 5000μg/g; 钡棒, 22mm (0.9in) 直径

Database IDs

• CAS Number: 7440-39-3; 10022-31-8
• EC Number: 231-149-1; 231-791-2; 231-714-2
• MDL Number: MFCD00134031
• PubChem SID: 24871038; 24881555; 24865182; 24850310; 162096299; 24854216; 24867709; 24847318
• PubChem CID: 5355457

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): -0.852
• LogD (pH = 7.4): -0.852
• Log P: -0.852
• Molar Refractivity: 1.6 cm^3
• Polarizability: 6.491374 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Apperance: ≈630g/rod, Packaged under argon; ≈7.3cm/100g, Packaged under argon; Ampouled under argon; dendritic pieces; Liquid; Packaged in oil; pieces; rod
• Melting Point: 725 °C(lit.)
• Boiling Point: 1640 °C(lit.)
• Density: 3.6 g/mL at 25 °C(lit.)
• Resistivity: 50.0 μΩ-cm, 20°C

Safety Information

• RTECS: CQ8370000
• European Hazard Symbols: Corrosive (C); Flammable (F); X; Irritant (Xi); Harmful (Xn)
• UN Number: 1400; UN1400; UN3264
• German water hazard class: 3; nwg
• Hazard Class: 4.3; 8
• Packing Group: 2; II; III
• Risk Statements: 11-14/15; 14/15-36/37/38; 20/22-34; 34; R:20/22
• Safety Statements: 16-26-36/37-43; 23-26-36/37/39-45; 7/8-30-43; 9-20-23-26-36/37/39-45-60; S:28
• TSCA Listed: 否; 是
• GHS Pictograms: GHS02; GHS05; GHS07
• GHS Signal Word: Danger
• GHS Hazard statements: H228-H261; H261-H315-H319-H335; H314
• GHS Precautionary statements: P210-P231+P232-P241-P370+P378A-P402+P404-P501A; P231 + P232-P261-P305 + P351 + P338-P422; P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A
• Personal Protective Equipment: Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges; Eyeshields, Gloves
• RID/ADR: UN 1400 4.3/PG 2

Product Information

• Purity: ≥99% trace metals basis; 99%; 99% trace metals basis; 99.2% (metals basis), Sr ≤0.8%; 99.9% (metals basis); 99.9% trace metals basis; 99.99% trace metals basis; 99+% (metals basis), Sr ≤0.8%
• Concentration: 1.000 g/L; 1.000 g/L Ba; in H2O
• Grade: for ICP
• Particle Size: 1 cm
• Impurities: ≤2% 2-ethylhexyl dihydrogenphosphate and tris(2-ethylhexyl) phosphate; 0.5% strontium
• Shelf Life: (limited shelf life, expiry date on the label)
• Purified By: distillation
• Diameter: ~2 cm
• Empirical Formula (Hill Notation): Ba

DETAILS

Sigma Aldrich - 595101

Packaging
10 g in poly bottle
Application
Critical for the synthesis of pure Ba21M2O5HX (M = Ge, SI, Ga, In, Tl) suboxide Zintl phases.3
Promotes anchorage-independent growth and invasion of human HaCaT keratinocytes via c-SRC kinase activationReactant for cynthesis of heterobimetallic alkaline earth complexesCommonly used for medicinal purposes, particularly for visualization of the gastrointestinal tractReactant involved in:
• Interactions with fused quartz
• Aggregation of alginate-coated iron oxide nanoparticles

Sigma Aldrich - 403334

Packaging
10 g in poly bottle
Application
Critical for the synthesis of pure Ba21M2O5HX (M = Ge, SI, Ga, In, Tl) suboxide Zintl phases.3
Promotes anchorage-independent growth and invasion of human HaCaT keratinocytes via c-SRC kinase activationReactant for synthesis of heterobimetallic alkaline earth complexesCommonly used for medicinal purposes, particularly for visualization of the gastrointestinal tractReactant involved in:
• Interactions with fused quartz
• Aggregation of alginate-coated iron oxide nanoparticles

Sigma Aldrich - 474711

Application
Catalyst for the formation of graphitic nanofilaments.1
Critical for the synthesis of pure Ba21M2O5HX (M = Ge, SI, Ga, In, Tl) suboxide Zintl phases.3
Packaging
5, 25 g in ampule

Sigma Aldrich - 237094

Packaging
25 g in poly bottle
Application
Critical for the synthesis of pure Ba21M2O5HX (M = Ge, SI, Ga, In, Tl) suboxide Zintl phases.3
Promotes anchorage-independent growth and invasion of human HaCaT keratinocytes via c-SRC kinase activationReactant for synthesis of heterobimetallic alkaline earth complexesCommonly used for medicinal purposes, particularly for visualization of the gastrointestinal tractReactant involved in:
• Interactions with fused quartz
• Aggregation of alginate-coated iron oxide nanoparticles

Sigma Aldrich - 441880

Application
Catalyst for the formation of graphitic nanofilaments.1
Critical for the synthesis of pure Ba21M2O5HX (M = Ge, SI, Ga, In, Tl) suboxide Zintl phases.3
Packaging
5, 25 g in ampule

Sigma Aldrich - 17056

Preparation Note
prepared with Ba(NO3)2 and H2O

Sigma Aldrich - 11719

General description
filtered through a 0.45 μm membrane filter
Preparation Note
prepared with Ba(NO3)2 and H2O