1.00165

ホウ酸

for analysis EMSURE^® ACS,ISO,Reag. Ph Eur

• 別名: Orthoboric acid, Trihydroxidoboron
• 化学式: H₃BO₃
• CAS番号: 10043-35-3
• 分子量: 61.83
• MDL番号: MFCD00011337
• UNSPSCコード: 12352301
• EC Index Number: 233-139-2
• NACRES: NA.21

特性

• グレード: ACS reagent
• 品質水準: 300
• 認証: reag. ISO; reag. Ph. Eur.; suitable for SM 4500 - NH3; suitable for SM 5210
• 蒸気圧: 2.6 mmHg ( 20 °C)
• 製品種目: EMSURE^®
• アッセイ: 99.5-100.5% (alkalimetric)
• 形状: solid
• 有効性: 2660 mg/kg LD₅₀, oral (Rat); >2000 mg/kg LD₅₀, skin (Rat)
• 不純物: ≤0.005% In methanol insoluble matter; ≤0.05% Nonvolatile with methanol
• pH: 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
• かさ密度: 400‑600 kg/m³
• 微量陰イオン: chloride (Cl^-): ≤0.0003%; phosphate (PO₄^3-): ≤0.0005%; sulfate (SO₄^2-): ≤0.0005%
• 微量陽イオン: Ca: ≤0.002%; Fe: ≤0.0001%; Pb: ≤0.001%; heavy metals (as Pb): ≤0.0005%
• 保管温度: 2-30°C
• SMILES記法: OB(O)O
• InChI: 1S/BH3O3/c2-1(3)4/h2-4H
• InChI Key: KGBXLFKZBHKPEV-UHFFFAOYSA-N

詳細

詳細

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.

アプリケーション

Boric acid can be used:

• For the determination of the protein content of yogurt samples.
• In the proximate analysis of seaweed Caulerpa sp. samples.

特徴および利点

• 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

アナリシスノート

Assay (alkalimetric): 99.5 - 100.5 %
Identity: passes test
Appearance of solution: passes test
pH-value (3.3 %, water): 3.8 - 4.8
Chloride (Cl): ≤ 0.0003 %
Phosphate (PO₄): ≤ 0.0005 %
Sulfate (SO₄): ≤ 0.0005 %
Solubility in ethanol: passes test
In methanol insoluble matter: ≤ 0.005 %
Heavy metals (as Pb): ≤ 0.0005 %
Ca (Calcium): ≤ 0.002 %
Fe (Iron): ≤ 0.0001 %
Pb (Lead): ≤ 0.001 %
Organic impurities: passes test
Nonvolatile with methanol: ≤ 0.05 %
Corresponds to ACS,ISO,Reag. Ph Eur

法的情報

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

安全性情報

• ピクトグラム: GHS08
• シグナルワード: Danger
• 危険有害性情報: H360FD
• 注意書き: P201 - P202 - P280 - P308 + P313 - P405 - P501
• 危険有害性の分類: Repr. 1B
• 保管分類コード: 6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• WGK: WGK 1
• 引火点(°F): Not applicable
• 引火点(℃): Not applicable