calcium carbonate

• ChemBase编号: 105579
• 分子式: CCaO3
• 平均质量: 100.0869
• 单一同位素质量: 99.94733484
• SMILES: [Ca+2].[O-]C(=O)[O-]
• Canonical SMILES: [O-]C(=O)[O-].[Ca+2]
• InChI: InChI=1S/CH2O3.Ca/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2
• InChIKey: VTYYLEPIZMXCLO-UHFFFAOYSA-L

名称和登记号

名称

• IUPAC标准名: calcium carbonate
• IUPAC传统名: calcium carbonate; calcium(2+) CO3
• 别名: 碳酸钙; 碳酸钙, ACS; 碳酸钙, ACS, 低碱; 碳酸钙, 螯合级, ACS; 方解石, 天然矿物, 晶粒, 大约 0.06-0.19in; 碳酸钙, Puratronic®; Marble; 碳酸钙; 文石, 天然矿物, 晶粒, 大约 0.06-0.19in; Calcii carbonas; Calcium carbonate, ACS; Calcium carbonate, ACS, low in alkalies; Calcium carbonate, chelometric standard, ACS; Calcium Carbonate (naturally occuring mineral); Calcite, naturally occurring mineral, grains, approximately 0.06-0.19in; Calcium carbonate, Puratronic®; Calcium carbonate; Marble; Limestone; calcite; chalk; marble; pearl; oyster clam; Calcium carbonate; Calcium carbonate; Carbonic Acid Calcium Salt; Aragonite; CALCIUM CARBONATE ACS REAGENT GRADE; Aragonite, naturally occurring mineral, grains, approximately 0.06-0.19in

登记号

• CAS号: 471-34-1; 13397-26-7; 14791-73-2
• EC号: 207-439-9
• MDL号: MFCD00010906
• Beilstein号: 8008338
• 默克索引号: 141657
• PubChem SID: 24892730; 24854360; 24871783; 24858766; 24855531; 24852648; 24892891; 24852132; 24864718; 24847406; 24858858; 162092650; 24892821; 24852549
• PubChem CID: 10112
• CHEBI ID: 3311
• ATC码: A12AA04; A02AC01
• CHEMBL: 1200539
• Chemspider ID: 9708
• KEGG ID: D00932
• 美国药典/FDA物质标识码: H0G9379FGK
• 维基百科标题: Calcium_carbonate

理论计算性质

• Acid pKa: 6.0525417
• 质子受体: 3
• 质子供体: 0
• LogD (pH = 5.5): 0.142811
• LogD (pH = 7.4): -1.1138874
• Log P: 0.25005138
• 摩尔折射率: 31.1724 cm^3
• 极化性: 3.6386902 Å^3
• 极化表面积: 63.19 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

• 溶解度: 0.0013 g/100 mL (25°C) in water; 5 M HCl: soluble0.1 M at 20 °C, clear, colorless; Practically insoluble in water. Soluble in diluted acids; soluble in dilute acids
• 外观: 5 Micron Powder; Fine white powder; powder; Powder; powder and chunks; random crystals
• 熔点: 800°C dec.; 825 °C (aragonite) ; 1339 °C (calcite); 899 °C with decomposition
• 沸点: decomposes
• 闪点: Non-flammable
• 密度: 2.7 - 2.9 g/cm^3 at 20 °C; 2.711 g/cm^3 (calcite); 2.83 g/cm^3 (aragonite); 2.93 g/mL at 25 °C(lit.); 2.930
• 折射率: 1.59; 1.6583; n20/D 1.6584(lit.)
• 蒸汽压: Not volatile
• 紫外吸收波长: λ: 260 nm Amax: ≤0.09; λ: 280 nm Amax: ≤0.06
• pKa: 9.0
• 气味: odorless
• 标准摩尔生成焓 (ΔfH^o298): -1207 kJ·mol^-1
• 标准摩尔熵 (S^o298): 93 J·mol^-1·K^-1
• 溶度积(Ksp): 4.8×10^-9

安全信息

• 保存条件: Room Temperature (15-30°C)
• RTECS编号: FF9335000
• 欧盟危险性物质标志: 刺激性(Irritant) (Xi)
• 德国WGK号: nwg
• 危险公开号: R:36/37/38
• 安全公开号: S:20-25-26-37/39
• TSCA收录: 是
• 欧盟危险品索引: Not listed
• NFPA704:
  

  0

  1

  0
• 半数致死量: 6450 mg/kg (oral, rat)
• 个人保护装置: dust mask type N95 (US), Eyeshields, Gloves

产品相关信息

• 纯度: >99%; ≥98.0%; ≥99%; ≥99.0%; ≥99.0% (KT); ≥99.5%; ≥99.995% trace metals basis; ≥99.999% trace metals basis; 98%; 98.5-100.5% (based on anhydrous substance); 99.0% min; 99.5% (metals basis); 99.95% (metals basis); 99.95-100.05%; 99.95-100.05% dry basis; 99.99% (metals basis); 99.997% (metals basis)
• 级别: ACS; ACS reagent; chelometric standard; CP; JIS special grade; optical grade; Ph Eur; puriss.; puriss. p.a.; purum p.a.; REAGENT; ReagentPlus®; SAJ first grade
• 颗粒大小: ≤30 μm
• 适用性: meets USP testing specifications; suitable for insect cell culture
• 杂质: ≤0.0005% Phosphorus (P); ≤0.001% total nitrogen (N); ≤0.002 meq/g water-soluble titr. base; ≤0.002 meq/g Water-soluble titratable base; ≤0.002% heavy metals (as Pb); ≤0.005% insoluble in hydrochloric acid; ≤0.005% oxidizers; ≤0.005% Oxidizing substances (as NO3); ≤0.01% Ammonium hydroxide precipitate; ≤0.01% insol. dil. HCl; ≤0.01% Insoluble in dilute hydrochloric acid; ≤0.01% NH4OH pptd.; ≤0.1% Insoluble matter; ≤0.2% insoluble in acid (CH3COOH); ≤0.2% insoluble in hydrochloric acid; ≤1% alkali-, Mg-ions (as SO4); insoluble matter, passes filter test; organic volatile impurities, complies; residual solvents, complies
• 痕量阳离子: Al: ≤0.0005%; As: ≤0.1 mg/kg; As: ≤2 mg/kg; Ba: ≤0.005%; Ba: ≤0.01%; Ba: ≤50 mg/kg; Ba:, in accordance; Bi: ≤5 mg/kg; Cd: ≤5 mg/kg; Cd: ≤50 mg/kg; Co: ≤5 mg/kg; Co: ≤50 mg/kg; Cr: ≤5 mg/kg; Cu: ≤0.0005%; Cu: ≤10 mg/kg; Cu: ≤5 mg/kg; Cu: ≤50 mg/kg; Fe: ≤0.0005%; Fe: ≤0.002%; Fe: ≤0.003%; Fe: ≤10 mg/kg; Fe: ≤200 mg/kg; Fe: ≤50 mg/kg; heavy metals (as Pb): ≤0.001%; Hg: ≤0.5 mg/kg; K: ≤0.005%; K: ≤0.01%; K: ≤100 mg/kg; K: ≤50 mg/kg; Li: ≤5 mg/kg; Mg: ≤0.01%; Mg: ≤0.02%; Mg: ≤1000 mg/kg; Mg: ≤500 mg/kg; Mn: ≤100 mg/kg; Mo: ≤5 mg/kg; Na: ≤0.005%; Na: ≤0.01%; Na: ≤0.1%; Na: ≤100 mg/kg; Na: ≤2000 mg/kg; NH4+: ≤0.003%; NH4+: ≤0.05%; Ni: ≤5 mg/kg; Ni: ≤50 mg/kg; Pb: ≤0.001%; Pb: ≤3 mg/kg; Pb: ≤5 mg/kg; Pb: ≤50 mg/kg; Sr: ≤0.1%; Sr: ≤1000 mg/kg; Sr: ≤500 mg/kg; Zn: ≤0.0005%; Zn: ≤10 mg/kg; Zn: ≤50 mg/kg
• 痕量阴离子: chloride (Cl-): ≤0.001%; chloride (Cl-): ≤0.005%; chloride (Cl-): ≤100 mg/kg; chloride (Cl-): ≤200 mg/kg; chloride (Cl-): ≤300 mg/kg; chloride (Cl-): ≤50 mg/kg; fluoride (F-): ≤0.0015%; fluoride (F-): ≤50 mg/kg; sulfate (SO42-): ≤0.005%; sulfate (SO42-): ≤0.01%; sulfate (SO42-): ≤100 mg/kg; sulfate (SO42-): ≤200 mg/kg; sulfate (SO42-): ≤2000 mg/kg; sulfate (SO42-): ≤500 mg/kg
• 干燥失重: ≤0.5% loss on drying, 110 °C; ≤2% loss on drying, 200 °C
• 品质说明: certified by BAM, according to ISO 17025; meets analytical specification of Ph. Eur., BP, USP, FCC, E170; precipitated
• λ: 0.1 M in 5 M HCl
• 药典: testing & handling conforms to Pharmacopeia
• 产品线: BioUltra
• 线性分子式: CaCO3

详细说明

MP Biomedicals - 02191413

ACS Reagent Grade
Purity: >99%
Crystalline

Sigma Aldrich - 21061

Other Notes
Component of tetrathionate-containing and tetrathionate-producing culture media (TBG Broth) for buffering sulfuric acid produced on reduction of tetrathionate. Media component for luminous bacteria1

Sigma Aldrich - 310034

包装
100, 500 g in poly bottle

Sigma Aldrich - 481807

包装
25 g in poly bottle
5 g in glass bottle

Sigma Aldrich - 239216

包装
1 kg in poly bottle
2.5 kg in poly drum
2.5kg 开口塑料桶包装；100g、500g、1kg 塑料瓶包装
100, 500 g in poly bottle
12 kg in fiber drum

Sigma Aldrich - 398101

包装
1 kg in poly bottle
100, 500 g in poly bottle

Sigma Aldrich - 21067

Analysis Note
精确浓度、有效期、可追踪性以及认证的详细信息请见每个包装内的证书和认证报告。含量和有效期见标签。

Sigma Aldrich - C6763

包装
500 g in poly bottle
法律信息
ReagentPlus 注册商标 Sigma-Aldrich Co. LLC

Sigma Aldrich - 202932

包装
5, 25, 100 g in poly bottle