cerium

• ChemBase编号: 107979
• 分子式: Ce
• 平均质量: 140.116
• 单一同位素质量: 139.905438
• SMILES: [Ce]
• Canonical SMILES: [Ce]
• InChI: InChI=1S/Ce
• InChIKey: GWXLDORMOJMVQZ-UHFFFAOYSA-N

名称和登记号

名称

• IUPAC标准名: cerium
• IUPAC传统名: cerium
• 别名: 铈; 铈, AAS 标准溶液, Specpure®, 铈含量1000μ/ml; 铈,等离子 标准溶液, Specpure®, Ce 10,000®g/ml; 铈, 等离子 标准溶液, Specpure®, Ce 1000®g/ml; 铈锭; 铈棒, 6.35mm (0.25in) 直径; 铈箔, 0.62mm (0.024in) 厚; 硝酸铈(III) 溶液; AAS 铈标准品; 铈箔, 0.25mm (0.01in)厚; 铈棒, 12.7mm (0.5in) 直径; 铈箔, 1.0mm (0.04in) 厚; 铈箔, 0.1mm (0.004in) 厚; Cerium; Cerium, AAS standard solution, Specpure®, Ce 1000 g/ml; Cerium, plasma standard solution, Specpure®, Ce 10,000 g/ml; Cerium, plasma standard solution, Specpure®, Ce 1000 g/ml; Cerium ingot; Cerium rod, 6.35mm (0.25in) dia; Cerium foil, 0.62mm (0.024in) thick; CERIUM; Cerium(III) nitrate solution; Cerium standard for AAS; Cerium foil, 0.25mm (0.01in) thick; Cerium rod, 12.7mm (0.5in) dia; Cerium foil, 1.0mm (0.04in) thick; Cerium foil, 0.1mm (0.004in) thick

登记号

• CAS号: 13550-45-3; 7440-45-1
• EC号: 231-714-2; 231-154-9
• MDL号: MFCD00010924
• PubChem SID: 24869828; 24855785; 162094387; 24855943; 24853326
• PubChem CID: 23974

理论计算性质

• 质子受体: 0
• 质子供体: 0
• LogD (pH = 5.5): 0.0
• LogD (pH = 7.4): 0.0
• Log P: 0.0
• 摩尔折射率: 0.0 cm^3
• 极化性: 6.0580606 Å^3
• 极化表面积: 0.0 Å^2
• 可自由旋转的化学键: 0
• 里宾斯基五规则: true

分子性质

理化性质

• 外观: ≈0.21g/mm, Cast rod, diameter is approximate; ≈0.42g/25x25mm, Packaged in mylar under argon; ≈0.86g/mm, Cast rod, diameter is approximate; ≈1.04g/25x25mm, Packaged in mylar under argon; ≈2.6g/25x25mm, Packaged in mylar under argon; ≈4.2g/25x25mm, Packaged in mylar under argon; chips; chunks; foil; ingot; Liquid; Packaged under mineral oil; powder
• 熔点: 795 °C(lit.)
• 沸点: 3443 °C(lit.)
• 密度: 1.02 g/mL at 20 °C; 6.67 g/mL at 25 °C(lit.)
• 电阻率: 73 μΩ-cm, 20°C

安全信息

• 欧盟危险性物质标志: 腐蚀性(Corrosive) (C); 易燃性(Flammable) (F); 刺激性(Irritant) (Xi); 有害性(Harmful) (Xn)
• 联合国危险货物编号: 1333; 2031; 3078; UN1333; UN3264
• 德国WGK号: 1; 3
• 联合国危险货物等级: 4.1; 4.3; 8
• 联合国危险货物包装类别(PG): 2; II; III
• 危险公开号: 11-14/15-20/21/22-36/37/38; 11-15; 11-15-20/21/22-36/37/38; 11-20/21/22-36/37/38; 34; 36/38; R:10
• 安全公开号: 16-26-36/37/39; 16-26-36/37/39-43; 23-26-36/37/39-45; 26; 7/8-43; S:9-16-29
• TSCA收录: 是
• GHS危险品标识: GHS02; GHS05; GHS07
• GHS警示词: Danger; Warning
• GHS危险声明: H228-H260; H228-H261-H302 + H312 + H332-H315-H319-H335; H228-H302 + H312 + H332-H315-H319-H335; H314; H314-H318; H315-H319
• GHS警示性声明: P210-P231 + P232-P261-P280-P305 + P351 + P338-P422; P210-P231+P232-P241-P370+P378A-P402+P404-P501A; P210-P261-P280-P305 + P351 + P338; P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A; P305 + P351 + P338
• 个人保护装置: 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
• RID/ADR: UN 1333 4.1/PG 2; UN 2031 8/PG 2; UN 3078 4.3/PG 2

产品相关信息

• 纯度: 90%; 99% (REO); 99.8% min (REO); 99.9% (metals basis excluding Ta); 99.9% (rare earth, metals basis); 99.9% (REO); 99.9% trace metals basis
• 浓度: 1.0 g/L Ce in nitric acid
• 颗粒大小: -40 mesh
• 有效期: (limited shelf life, expiry date on the label)
• 尺寸: 25 mm × 25 mm × 1 mm
• Empirical Formula (Hill Notation): Ce

详细说明

MP Biomedicals - 05205660

MP Biomedicals Rare Chemical collection

Sigma Aldrich - 261041

包装
25, 100 g in poly bottle

Sigma Aldrich - 461210

包装
50 g in poly bottle

Sigma Aldrich - 263001

包装
10 g in poly bottle

Sigma Aldrich - 693766

Application
物理气相沉积 (PVD) 工艺，包括热蒸镀和电子束 (E-Beam) 蒸镀。用于制备含挥发性组分的合金。

Sigma Aldrich - 22236

Preparation Note
用 Ce(NO3)3 和 HNO3 (0.5 M) 制备