柠檬酸

• 产品号: 27487
• CAS号: 77-92-9
• 分子式: C6H8O7
• 分子量: 192.12352
• 纯 度: ≥99.5% (T)

产品别名

• 标题: Citric acid
• IUPAC标准名: 2-hydroxypropane-1,2,3-tricarboxylic acid
• IUPAC传统名: citro

产品登记号

• Beilstein号: 782061
• MDL号: MFCD00011669
• PubChem SID: 24856611
• CAS号: 77-92-9
• EC号: 201-069-1

产品性质

• 痕量阴离子: chloride (Cl-): ≤5 mg/kg
• 痕量阴离子: oxalate (C2O42-): ≤500 mg/kg
• 痕量阴离子: phosphate (PO43-): ≤5 mg/kg
• 痕量阴离子: sulfate (SO42-): ≤20 mg/kg
• 痕量阴离子: tartrate (C4H4O62-): ≤2000 mg/kg
• 痕量阳离子: Al: ≤5 mg/kg
• 痕量阳离子: As: ≤0.1 mg/kg
• 痕量阳离子: Ba: ≤5 mg/kg
• 痕量阳离子: Bi: ≤5 mg/kg
• 痕量阳离子: Ca: ≤10 mg/kg
• 痕量阳离子: Cd: ≤5 mg/kg
• 痕量阳离子: Co: ≤5 mg/kg
• 痕量阳离子: Cr: ≤5 mg/kg
• 痕量阳离子: Cu: ≤5 mg/kg
• 痕量阳离子: Fe: ≤5 mg/kg
• 痕量阳离子: K: ≤50 mg/kg
• 痕量阳离子: Li: ≤5 mg/kg
• 痕量阳离子: Mg: ≤5 mg/kg
• 痕量阳离子: Mn: ≤5 mg/kg
• 痕量阳离子: Mo: ≤5 mg/kg
• 痕量阳离子: Na: ≤50 mg/kg
• 痕量阳离子: Ni: ≤5 mg/kg
• 痕量阳离子: Pb: ≤5 mg/kg
• 痕量阳离子: Sr: ≤5 mg/kg
• 痕量阳离子: Zn: ≤5 mg/kg
• 燃烧残渣: ≤0.05% (as SO4)
• 杂质: insoluble matter, passes filter test
• λ: 1 M in H2O
• 线性分子式: HOC(COOH)(CH2COOH)2
• 干燥失重: ≤0.5% loss on drying, 110 °C
• 产品线: BioUltra
• 纯度: ≥99.5% (T)
• 相关基因信息: human ... SRC(6714)
• 紫外吸收波长: λ: 260 nm Amax: 0.20
• 紫外吸收波长: λ: 280 nm Amax: 0.10
• pKa: (1) 3.13, (2) 4.76, (3) 6.4
• 熔点: 153-159 °C(lit.)
• pH值: 1.0-2.0 (25 °C, 1 M in H2O)
• 溶解度: H2O: soluble1 M at 20 °C, clear, colorless
• 爆炸极限: 8 %, 65 °F
• GHS警示词: Warning
• GHS危险声明: H319
• 欧盟危险性物质标志: 刺激性(Irritant) (Xi)
• 个人保护装置: dust mask type N95 (US), Eyeshields, Gloves
• GHS警示性声明: P305 + P351 + P338
• 危险公开号: 36
• RTECS编号: GE7350000
• 安全公开号: 26
• 德国WGK号: 1

产品详细信息

详细说明 (English)

Other Notes
Buffer component for triple-column amino acid analysis1; Optimal buffer for dissociation of radioiodinated antibodies from viable murine tumor cells2
Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. 27487.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin.

详细说明 (简体中文)

Other Notes
Buffer component for triple-column amino acid analysis1; Optimal buffer for dissociation of radioiodinated antibodies from viable murine tumor cells2
Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. 27487.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin.