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碳酸钠
Sodium Carbonate
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| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 3240956 | puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., anhydrous, ≥99.8% (calc. to the dried substance) | 9320 |
产品别名
497-19-8
碳酸钠
Sodium Carbonate
Calcined soda
Carbonic acid disodium salt
Soda ash
纯碱
碳酸二钠盐
结构式
基本信息
| Linear Formula【线性分子式】 | Na2CO3 |
| Molecular weight | 105.99 |
| Beilstein | 4154566 |
| EC number【EC 号】 | 207-838-8 |
| MDL number | MFCD00003494 |
| PubChem Substance ID【PubChem化学物质编号】 | 24858951 |
| General description【一般描述】 | Sodium carbonate (Soda) is a white salt. It can be synthesized by the electrolysis of molten sodium hydroxide or sodium chloride. |
| Application【应用】 | Sodium carbonate may be used for the determination of total polyphenolic index of wine products from grape by the Folin-Ciocalteu method. It has been used to compose the ELISA (Enzyme-Linked Immunosorbent Assay) coating buffer. It may be used to prepare the antibody coating buffer for use in IGF-I kinase receptor activation assay (KIRA) assay. |
| Biochem/physiol Actions【生化/生理作用】 | 缓冲剂组分，可用于除去外周膜蛋白。 |
产品性质
| Quality Level【质量水平】 | 200 |
| grade【等级】 | ACS reagent puriss. p.a. |
| agency | USP/NF reag. ISO reag. Ph. Eur. |
| Assay【测定】 | ≥99.8% (calc. to the dried substance) |
| form【形式】 | coarse powder |
| impurities【杂质】 | residual solvents, complies ≤0.001% total nitrogen (N) ≤0.003% total S (as SO4) ≤0.01% in water insoluble matters |
| loss【缺失】 | ≤0.5% loss on drying, 300 ℃ |
| pH【pH值(酸碱度)】 | 12 (25 ℃, 106 g/L) |
| mp | 851 ℃ (lit.) |
| anion traces【痕量阴离子】 | chloride (Cl-): ≤10 mg/kg phosphate (PO43-): ≤10 mg/kg silicate (as SiO2): ≤20 mg/kg |
| cation traces【痕量阳离子】 | Ag: ≤5 mg/kg Al: ≤10 mg/kg As: ≤0.5 mg/kg Ba: ≤5 mg/kg Bi: ≤5 mg/kg Ca: ≤50 mg/kg Cd: ≤5 mg/kg Co: ≤5 mg/kg Cr: ≤5 mg/kg Cu: ≤5 mg/kg Fe: ≤5 mg/kg K: ≤50 mg/kg Li: ≤5 mg/kg Mg: ≤20 mg/kg Mn: ≤5 mg/kg Mo: ≤5 mg/kg Ni: ≤5 mg/kg Pb: ≤5 mg/kg Sr: ≤20 mg/kg Zn: ≤5 mg/kg heavy metals: ≤5 ppm (by ICP-OES) |
| SMILES string | O=C(O[Na])O[Na] |
| InChI | 1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2 |
| InChI key | CDBYLPFSWZWCQE-UHFFFAOYSA-L |
安全信息
| Pictograms【象形图】 | GHS07 |
| Signal word【警示用语：】 | Warning |
| Hazard Statements | H319 |
| Precautionary Statements | P264 - P280 - P305 + P351 + P338 - P337 + P313 |
| Hazard Classifications【危险分类】 | Eye Irrit. 2 |
| Storage Class Code【储存分类代码】 | 13 - Non Combustible Solids |
| WGK | WGK 1 |
