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di-Sodium tetraborate decahydrate
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 |
| 4059022 | 500 G | 1520 | |||
| 4059022 | 1 KG | 2540 | |||
| 4059022 | 50 KG | 45600 |
产品别名
1303-96-4
di-Sodium tetraborate decahydrate
Borax, Sodium biborate decahydrate, Sodium borate decahydrate
基本信息
| Empirical Formula【经验(实验)分子式】 | B4Na2O7 · 10H2O |
| Molecular weight | 381.37 |
| MDL number | MFCD00149193 |
| EC Index Number【EC索引号】 | 215-540-4 |
| Analysis Note【分析说明】 | Assay (acidimetric): 99.5 - 103.0 % Identity: passes test Appearance of solution: passes test Insoluble matter: ≤ 0.005 % pH-value (0.01 M Solution, 25 °C): 9.15 - 9.20 pH-value (4 %, water): 9.0 - 9.6 Chloride (Cl): ≤ 0.0007 % Phosphate (PO₄): ≤ 0.001 % Sulfate (SO₄): ≤ 0.005 % Heavy metals (as Pb): ≤ 0.001 % As (Arsenic): ≤ 0.0005 % Ca (Calcium): ≤ 0.005 % Cu (Copper): ≤ 0.0005 % Fe (Iron): ≤ 0.0005 % NH₄ (Ammonium): ≤ 0.001 % Pb (Lead): ≤ 0.0005 % Corresponds to ACS,ISO,Reag. Ph Eur |
产品性质
| Quality Level【质量水平】 | 100 |
| grade【等级】 | ACS reagent |
| agency | reag. ISO reag. Ph. Eur. |
| vapor pressure【蒸汽压】 | 0.213 hPa ( 20 ℃) |
| Assay【测定】 | 99.5-103.0% (acidimetric) |
| potency【效能】 | 2660 mg/kg LD50, oral (Rat) >2000 mg/kg LD50, skin (Rabbit) |
| pH【pH值(酸碱度)】 | 9.2 (20 ℃, 47 g/L in H2O) |
| mp | 75 ℃ (Elimination of water of crystallisation) |
| solubility【溶解性】 | 49.74 g/L |
| density | 1.72 g/cm3 at 20 ℃ |
| bulk density【堆积密度】 | 750 kg/m3 |
| storage temp.【储存温度】 | 2-30℃ |
| InChI | 1S/B4O7.2Na.10H2O/c5-1-9-3(7)11-4(8)10-2-6;;;;;;;;;;;;/h;;;10*1H2/q-2;2*+1;;;;;;;;;; |
| InChI key | OJPFLODMGUZMKD-UHFFFAOYSA-N |
安全信息
| Pictograms【象形图】 | GHS07,GHS08 |
| Signal word【警示用语：】 | Danger |
| Hazard Statements | H319 - H360FD |
| Precautionary Statements | P201 - P202 - P264 - P280 - P305 + P351 + P338 - P308 + P313 |
| Hazard Classifications【危险分类】 | Eye Irrit. 2 - Repr. 1B |
| Storage Class Code【储存分类代码】 | 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects |
| WGK | WGK 1 |
