1.06528

Sodium disulfite

(sodium metabisulfite) for analysis EMSURE^® ACS,Reag. Ph Eur

• 동의어(들): Sodium disulfite, Sodium metabisulfite, Sodium pyrosulfite, Disulfite, Pyrosulfite
• 실험식(Hill 표기법): Na₂O₅S₂
• CAS Number: 7681-57-4
• Molecular Weight: 190.11
• MDL number: MFCD00167602
• UNSPSC 코드: 12352302
• EC 인덱스 번호: 231-673-0
• NACRES: NA.21
• 분석: 98.0-100.5% (iodometric)
• Grade: ACS reagent
• 양식: powder
• solubility: 650 g/L

속성

• Grade: ACS reagent
• Quality Level: 300
• Agency: reag. Ph. Eur.
• 제품 라인: EMSURE^®
• 분석: 98.0-100.5% (iodometric)
• 양식: powder
• 효능: 1540 mg/kg LD₅₀, oral (Rat); >2000 mg/kg LD₅₀, skin (Rat)
• 불순물: ≤0.005% Insoluble matter
• pH: 3.5-5 (20 °C, 50 g/L in H₂O)
• mp: 150 °C (decomposition)
• solubility: 650 g/L
• density: 2.36 g/cm³ at 20 °C
• 벌크 밀도: 1000‑1200 kg/m³
• 음이온 미량물: chloride (Cl^-): ≤0.005%; thiosulfate (S₂O₃^2-): ≤0.05%passes test
• 양이온 미량물: As: ≤0.0001%; Fe: ≤0.0005%; heavy metals (as Pb): ≤0.001%
• 저장 온도: 2-30°C
• InChI: 1S/2Na.H2O5S2/c;;1-6(2)5-7(3)4/h;;(H,1,2)(H,3,4)/q2*+1;/p-2
• InChI key: LDTLADDKFLAYJA-UHFFFAOYSA-L

설명

분석 메모

Assay (iodometric): 98.0 - 100.5 %
Identity: passes test
Appearance of solution: passes test
pH-value (5 %; water): 3.5 - 5.0
Insoluble matter: ≤ 0.005 %
Chloride (Cl): ≤ 0.005 %
Thiosulfate (S₂O₃):
≤ 0.05 %
: passes test
Heavy metals (as Pb): ≤ 0.001 %
As (Arsenic): ≤ 0.0001 %
Fe (Iron): ≤ 0.0005 %

법적 정보

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

안전성 정보

• 픽토그램: GHS05,GHS07
• 신호어: Danger
• 유해 및 위험 성명서: H302,H318
• 예방조치 성명서: P264 - P270 - P280 - P301 + P312 - P305 + P351 + P338 - P501
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1
• 보충제 위험성: EUH031
• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable