硼酸,Boric acid;for analysis EMSURE® ACS,ISO,Reag. Ph Eur

别名:原硼酸三氢过氧化硼;1001650100;1001650500;1001651000;1001655000; 线性分子式: H3BO3 CAS号: 10043-35-3 分子量: 61.83 MDL编号: MFCD00011337 EC索引号: 233-139-2
货号(SKU): 1.00165
CAS号: 10043-35-3
MDL号: MFCD00011337
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¥402.12

说明

一般描述

Boric acid (EMSURE® grade product) is used for regulated analyses and highly demanding lab applications. It also offers the highest quality and unmatched scope of specifications to give complete control of test conditions and eliminate uncertainties. EMSURE® grade products comply with all international regulations and can be used in various applications.
 

应用

Boric acid can be used:
  • For the determination of the protein content of yogurt samples.
  • In the proximate analysis of seaweed Caulerpa sp. samples.

特点和优势

  • Most extensive specifications worldwide
  • Tested for up to 70 parameters
  • Extraordinary purity
  • Very low limiting values
  • Greater accuracy and control of analyses
  • Optimized for highly critical and demanding analyses
  • Ideal for method development
  • No interference or contamination due to unknown impurities

分析说明

含量测定(碱量滴定):99.5-100.5%
同一性:通过测试
溶液外观:通过测试
pH值(3.3 %,水):3.8 - 4.8
氯(Cl): ≤ 0.0003 %
磷酸盐(PO₄): ≤ 0.0005 %
硫酸盐(SO₄): ≤ 0.0005 %
乙醇中的溶解度:通过测试
在甲醇中不溶物: ≤ 0.005 %
重金属(以铅计): ≤ 0.0005 %
Ca(钙): ≤ 0.002 %
Fe(铁): ≤ 0.0001 %
Pb(铅): ≤ 0.001 %
有机杂质:通过测试
与甲醇不挥发物: ≤ 0.05 %
对应ACS,ISO,Reag.Ph Eur
 

法律信息

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
 
 

属性

等级

ACS reagent

质量水平

Agency

reag. ISO
reag. Ph. Eur.

蒸汽压

2.6 mmHg ( 20 °C)

产品线

EMSURE®

测定

99.5-100.5% (alkalimetric)

形式

solid

效能

2660 mg/kg LD50, oral (Rat)
>2000 mg/kg LD50, skin (Rat)

杂质

≤0.005% In methanol insoluble matter
≤0.05% Nonvolatile with methanol

pH值(酸碱度)

3.8-4.8 (20 °C, 33 g/L in H2O)

mp

160 °C (dec.) (lit.)

溶解性

49.2 g/L

密度

1.489 g/cm3 at 23 °C

堆积密度

400‑600 kg/m3

痕量阴离子

chloride (Cl-): ≤0.0003%
phosphate (PO43-): ≤0.0005%
sulfate (SO42-): ≤0.0005%

痕量阳离子

Ca: ≤0.002%
Fe: ≤0.0001%
Pb: ≤0.001%
heavy metals (as Pb): ≤0.0005%

储存温度

2-30°C

SMILES string

OB(O)O

InChI

1S/BH3O3/c2-1(3)4/h2-4H

InChI key

KGBXLFKZBHKPEV-UHFFFAOYSA-N

 

安全信息

象形图

Health hazard

警示用语:

Danger

危险声明

危险分类

Repr. 1B

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

商品规格
属性名称属性值
储存温度 Storage temp.常温阴凉避光
全球实时库存 Availability √美国St. Louis ≥ 20 | 欧洲Eur. ≥ 16 | 東京Tokyo ≥ 5 | 香港与北京 ≥ 20
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