1.06516

Sodium thiosulfate pentahydrate

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

• 동의어(들): Sodium thiosulfate pentahydrate, Antichlor
• 실험식(Hill 표기법): Na₂O₃S₂ · 5H₂O
• CAS Number: 10102-17-7
• Molecular Weight: 248.18
• MDL number: MFCD00149186
• UNSPSC 코드: 12352302
• EC 인덱스 번호: 231-867-5
• NACRES: NA.21

속성

• Grade: ACS reagent
• Quality Level: 300
• Agency: reag. ISO; reag. Ph. Eur.; suitable for SM 2310; suitable for SM 2320; suitable for SM 4500 - NH3
• 제품 라인: EMSURE^®
• 분석: 99.5-101.0% (iodometric)
• 형태: solid
• 효능: >5000 mg/kg LD₅₀, oral (Rat)
• 불순물: ≤0.005% Insoluble matter
• pH: 6.0-7.5 (20 °C, 100 g/L in H₂O)
• mp: 48 °C
• density: 1.74 g/cm³ at 20 °C
• 벌크 밀도: 1000 kg/m³
• 음이온 미량물: chloride (Cl^-): ≤0.008%; sulfate, sulfite (as SO₄^2-): ≤0.1%; sulfide (S^2-): passes test
• 양이온 미량물: Ca: ≤0.002%; Cu: ≤0.0005%; Fe: ≤0.0005%; K: ≤0.001%; Mg: ≤0.001%; N: ≤0.002%; Pb: ≤0.0005%; heavy metals (as Pb): ≤0.001%
• 저장 온도: 2-30°C
• InChI: 1S/2Na.H2O3S2.5H2O/c;;1-5(2,3)4;;;;;/h;;(H2,1,2,3,4);5*1H2/q2*+1;;;;;;/p-2
• InChI key: PODWXQQNRWNDGD-UHFFFAOYSA-L

설명

애플리케이션

• Synthesis of Aryl Amides from Acyl-Bunte Salts and Aryl Azides: Details the application of sodium thiosulfate pentahydrate in synthetic organic chemistry, specifically in the synthesis of aryl amides, illustrating its utility in facilitating complex chemical reactions (Chen et al., 2023).

결합

Replaces: SX0815-1; SX0815

분석 메모

Assay (iodometric): 99.5 - 101.0 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.005 %
pH-value (5 %; water, 25 °C): 6.0 - 7.5
pH-value (10 %; water): 6.0 - 7.5
Chloride (Cl): ≤ 0.008 %
Sulfate and sulphite (as SO₄): ≤ 0.1 %
Sulfide (S): passes test
Heavy metals (as Pb): ≤ 0.001 %
Total nitrogen (N): ≤ 0.002 %
Ca (Calcium): ≤ 0.002 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.001 %
Mg (Magnesium): ≤ 0.001 %
Pb (Lead): ≤ 0.0005 %
Corresponds to ACS, ISO, Reag. Ph Eur

법적 정보

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

안전성 정보

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable