1.00732

Sulfuric acid

95-97%, for analysis (max. 0.005 ppm Hg) EMSURE^® ACS,ISO,Reag. Ph Eur

• 別名: Sulfuric acid
• 化学式: H₂SO₄
• CAS番号: 7664-93-9
• 分子量: 98.08
• Beilstein: 2037554
• MDL番号: MFCD00064589
• UNSPSCコード: 12352301
• EC Index Number: 231-639-5
• NACRES: NA.21

特性

• product name: 硫酸, for analysis (max. 0.005 ppm Hg) EMSURE^® ACS,ISO,Reag. Ph Eur
• グレード: ACS reagent
• 品質水準: 300
• 認証: reag. ISO; reag. Ph. Eur.
• 蒸気密度: <0.3 (25 °C, vs air)
• 蒸気圧: 0.0001 hPa ( 20 °C); 1 mmHg ( 146 °C)
• 製品種目: EMSURE^®
• アッセイ: 95-97% (alkalimetric)
• 形状: liquid
• 強熱残分: ≤5 ppm
• 色: APHA: ≤10
• pH: 0.3 (25 °C, 49 g/L in H₂O)
• bp: ~290 °C (lit.)
• mp: -20 °C
• 密度: 1.840 g/mL at 25 °C (lit.)
• 微量陰イオン: chloride (Cl^-): ≤0.1 ppm; nitrate (NO₃^-): ≤0.2 ppm; phosphate (PO₄^3-): ≤0.5 ppm
• 微量陽イオン: Ag: ≤0.02 ppm; Al: ≤0.05 ppm; As: ≤0.01 ppm; Ba: ≤0.05 ppm; Be: ≤0.01 ppm; Bi: ≤0.1 ppm; Ca: ≤0.2 ppm; Cd: ≤0.02 ppm; Co: ≤0.01 ppm; Cr: ≤0.05 ppm; Cu: ≤0.01 ppm; Fe: ≤0.1 ppm; Ge: ≤0.05 ppm; Hg: ≤0.005 ppm; K: ≤0.1 ppm; Li: ≤0.01 ppm; Mg: ≤0.05 ppm; Mn: ≤0.01 ppm; Mo: ≤0.05 ppm; NH₄⁺: ≤2 ppm; Na: ≤0.5 ppm; Ni: ≤0.02 ppm; Pb: ≤0.02 ppm; Sr: ≤0.02 ppm; Ti: ≤0.1 ppm; Tl: ≤0.05 ppm; V: ≤0.01 ppm; Zn: ≤0.05 ppm; Zr: ≤0.1 ppm; heavy metals (as Pb): ≤1 ppm
• SMILES記法: OS(O)(=O)=O
• 保管温度: no temp limit
• InChI: 1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)
• InChI Key: QAOWNCQODCNURD-UHFFFAOYSA-N

詳細

アプリケーション

• Nuclear magnetic resonance analysis of a chemically cross-linked ferrous-methylthymol blue-polyvinyl alcohol radiochromic gel dosimeter.: Researchers applied NMR to analyze a ferrous-methylthymol blue-polyvinyl alcohol gel dosimeter, showing its potential for accurate radiation dose measurements in medical and industrial applications (Eyadeh et al., 2019).



• Discriminate sensing of pyrophosphate using a new tripodal tetramine-based dinuclear Zn(II) complex under an indicator displacement assay approach.: This work presented a novel sensing method for pyrophosphate detection using a Zn(II) complex and methylthymol blue in an indicator displacement assay, highlighting its selectivity and efficiency (Watchasit et al., 2014).



• Direct colorimetric detection of copper(II) ions in sampling using diffusive gradients in thin-films.: The study introduced a colorimetric technique utilizing methylthymol blue for direct detection of copper(II) ions via diffusive gradients in thin-films, offering a simple and effective analytical tool (McGifford et al., 2010).



• Experimental correlation between the pKa value of sulfonphthaleins with the nature of the substituents groups.: This research explored the relationship between the pKa values of sulfonphthaleins, including methylthymol blue, and their substituent groups, providing insights for better understanding and predicting their behavior in various chemical environments (Balderas-Hernández et al., 2008).

アナリシスノート

Assay (alkalimetric): 95.0 - 97.0 %
Identity: passes test
Color: ≤ 10 Hazen
Appearance: passes test
Density (d 20/20): 1.834 - 1.837
Chloride (Cl): ≤ 0.1 ppm
Nitrate (NO₃): ≤ 0.2 ppm
Phosphate (PO₄): ≤ 0.5 ppm
Heavy metals (as Pb): ≤ 1 ppm
Ag (Silver): ≤ 0.02 ppm
Al (Aluminium): ≤ 0.05 ppm
As (Arsenic): ≤ 0.01 ppm
Ba (Barium): ≤ 0.05 ppm
Be (Beryllium): ≤ 0.01 ppm
Bi (Bismuth): ≤ 0.1
Ca (Calcium): ≤ 0.2 ppm
Cd (Cadmium): ≤ 0.02 ppm
Co (Cobalt): ≤ 0.01 ppm
Cr (Chromium): ≤ 0.05 ppm
Cu (Copper): ≤ 0.01 ppm
Fe (Iron): ≤ 0.1
Ge (Germanium): ≤ 0.05 ppm
Hg (Mercury): ≤ 0.005 ppm
K (Potassium): ≤ 0.1
Li (Lithium): ≤ 0.01 ppm
Mg (Magnesium): ≤ 0.05 ppm
Mn (Manganese): ≤ 0.01 ppm
Mo (Molybdenum): ≤ 0.05 ppm
NH₄ (Ammonium): ≤ 2 ppm
Na (Sodium): ≤ 0.5 ppm
Ni (Nickel): ≤ 0.02 ppm
Pb (Lead): ≤ 0.02 ppm
Sr (Strontium): ≤ 0.02 ppm
Ti (Titanium): ≤ 0.1
Tl (Thallium): ≤ 0.05 ppm
V (Vanadium): ≤ 0.01 ppm
Zn (Zinc): ≤ 0.05 ppm
Zr (Zirconium): ≤ 0.1
Substances reducing potassium permanganate (as SO₂): ≤ 2 ppm
Residue on ignition: ≤ 5 ppm
Date of expiry: see product label

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: GHS05
• シグナルワード: Danger
• 危険有害性情報: H290 - H314
• 注意書き: P234 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363
• 危険有害性の分類: Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
• 保管分類コード: 8B - Non-combustible, corrosive hazardous materials
• WGK: WGK 1
• 引火点(°F): Not applicable
• 引火点(℃): Not applicable