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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 |
| 4058636 | 80 G | 1500 |
产品别名
497-19-8
碳酸钠
Sodium Carbonate
anhydrous soda
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 |
| MDL number | MFCD00003494 |
| EC Index Number【EC索引号】 | 207-838-8 |
| General description【一般描述】 | Sodium carbonate is a volumetric standard manufactured under stringent conditions and measured with the highest possible precision. Its mass fraction is determined by potentiometric titration, and it is qualified in a DIN EN ISO/IEC 17025 accredited laboratory. |
| Application【应用】 | It is used as a certified reference material (CRM) for the standardization of volumetric solutions in acidimetric titrations, according to USP and Ph. Eur. |
| Biochem/physiol Actions【生化/生理作用】 | 缓冲剂组分，可用于除去外周膜蛋白。 |
| Features and Benefits【特点和优势】 |
|
| Legal Information【法律信息】 | CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany |
产品性质
| Quality Level【质量水平】 | 300 |
| agency | ISO 17025 reag. Ph. Eur. reag. USP |
| form【形式】 | solid |
| potency【效能】 | 4090 mg/kg LD50, oral (Rat) |
| technique(s) | titration: suitable |
| pH【pH值(酸碱度)】 | 11.16 (25 ℃, 4 g/L in H2O) |
| mp | 851 ℃ (lit.) |
| solubility【溶解性】 | 212.5 g/L |
| density | 2.53 g/cm3 at 20 ℃ |
| bulk density【堆积密度】 | 1100 kg/m3 |
| storage temp.【储存温度】 | 15-25℃ |
| 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 |
| packaging【包装】 | SKU-pack size numbers ending with a "3" are SmartChemicals with an RFID tag on the label for seamless data transfer to the instrument, e.g. xxxxxx1003 or xxxxxxx 4003. More information on www.sigmaaldrich.com/SmartChemicals |
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 |
