BORIC ACID FOR ANALYSIS EMSURE (C005B-003246)

General description

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.

Application

Boric acid can be used:

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

Features and Benefits

• 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

Analysis Note

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

Legal Information

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

Molecular Weight: 61.83. Empirical Formula: H₃BO₃. linearFormula: H₃BO₃. grade: ACS reagent. Quality Level: 300. Agency: reag. ISO, reag. Ph. Eur.. vapor pressure: 2.6 mmHg ( 20 °C). product line: EMSURE^®. . Assay: 99.5-100.5% (alkalimetric). form: solid. potency: 2660 . mg/kg LD₅₀, oral (Rat), >. 2000 . mg/kg LD₅₀, skin (Rat). impurities: ≤. 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.). solubility: 49.2 . g/L. density: 1.489 . g/cm³ . at 23 . °C. bulk density: 400‑. 600 . kg/m³. anion traces: chloride (Cl^-): ≤. 0.0003%, phosphate (PO₄^3-): ≤. 0.0005%, sulfate (SO₄^2-): ≤. 0.0005%. cation traces: Ca: ≤. 0.002%, Fe: ≤. 0.0001%, Pb: ≤. 0.001%, heavy metals (as Pb): ≤. 0.0005%. storage temp.: 2-30°C. SMILES string: OB(O)O. InChI: 1S/BH3O3/c2-1(3)4/h2-4H. InChI key: KGBXLFKZBHKPEV-UHFFFAOYSA-N. Pictograms: GHS08. Signal Word: Danger. Hazard Statements: H360FD. Precautionary Statements: P201 - P202 - P280 - P308 + P313 - P405 - P501. Hazard Classifications: Repr. 1B. Storage Class Code: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects. WGK: WGK 1. Flash Point(F): Not applicable. Flash Point(C): Not applicable.