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di-Sodium oxalate
产品价格查看更多规格...
| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 4060237 | 60 G | 1500 |
产品别名
62-76-0
di-Sodium oxalate
Oxalic acid sodium salt
基本信息
| Empirical Formula【经验(实验)分子式】 | C2Na2O4 |
| Molecular weight | 134.00 |
| MDL number | MFCD00012465 |
| EC Index Number【EC索引号】 | 200-550-3 |
| General description【一般描述】 | Di-sodium oxalate 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 titer determinations in redox titrations, according to reagents chapters of USP and Ph. Eur. |
| Features and Benefits【特点和优势】 |
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| 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. USP |
| form【形式】 | solid |
| potency【效能】 | 375 mg/kg LD50, oral (Rat) |
| technique(s) | titration: suitable |
| pH【pH值(酸碱度)】 | 8 (20 ℃, 30 g/L in H2O) |
| mp | 250-270 ℃ (decomposition) |
| density | 2.27 g/cm3 at 20 ℃ |
| bulk density【堆积密度】 | 600 kg/m3 |
| storage temp.【储存温度】 | 15-25℃ |
| InChI | 1S/C2H2O4.2Na/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);;/q;2*+1/p-2 |
| InChI key | ZNCPFRVNHGOPAG-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 | H302 + H312 |
| Precautionary Statements | P264 - P270 - P280 - P301 + P312 - P302 + P352 + P312 - P362 + P364 |
| Hazard Classifications【危险分类】 | Acute Tox. 4 Dermal - Acute Tox. 4 Oral |
| Storage Class Code【储存分类代码】 | 11 - Combustible Solids |
| WGK | WGK 1 |
