1.00165

Boric acid

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

• 동의어(들): Orthoboric acid, Trihydroxidoboron
• Linear Formula: H₃BO₃
• CAS Number: 10043-35-3
• Molecular Weight: 61.83
• MDL number: MFCD00011337
• UNSPSC 코드: 12352301
• EC 인덱스 번호: 233-139-2
• NACRES: NA.21

속성

• Grade: ACS reagent
• Quality Level: 300
• Agency: reag. ISO; reag. Ph. Eur.; suitable for SM 4500 - NH3; suitable for SM 5210
• vapor pressure: 2.6 mmHg ( 20 °C)
• 제품 라인: EMSURE^®
• 분석: 99.5-100.5% (alkalimetric)
• 형태: solid
• 효능: 2660 mg/kg LD₅₀, oral (Rat); >2000 mg/kg LD₅₀, skin (Rat)
• 불순물: ≤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
• 벌크 밀도: 400‑600 kg/m³
• 음이온 미량물: chloride (Cl^-): ≤0.0003%; phosphate (PO₄^3-): ≤0.0005%; sulfate (SO₄^2-): ≤0.0005%
• 양이온 미량물: Ca: ≤0.002%; Fe: ≤0.0001%; Pb: ≤0.001%; heavy metals (as Pb): ≤0.0005%
• 저장 온도: 2-30°C
• SMILES string: OB(O)O
• InChI: 1S/BH3O3/c2-1(3)4/h2-4H
• InChI key: KGBXLFKZBHKPEV-UHFFFAOYSA-N

설명

일반 설명

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.

애플리케이션

Boric acid can be used:

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

특징 및 장점

• 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

분석 메모

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

법적 정보

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

안전성 정보

• 픽토그램: GHS08
• 신호어: Danger
• 유해 및 위험 성명서: H360FD
• 예방조치 성명서: 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