1.19753

di-Sodium hydrogen phosphate dihydrate

buffer substance for chromatography LiChropur^™

• 동의어(들): di-Sodium hydrogen phosphate dihydrate, Sodium monohydrogen phosphate, Sodium phosphate dibasic, sec-Sodium phosphate, Disodium hydrogen phosphate dihydrate, Disodium phosphate, Sodium phosphate dibasic dihydrate
• Linear Formula: Na₂HPO₄ · 2H₂O
• CAS Number: 10028-24-7
• Molecular Weight: 177.99
• MDL number: MFCD00149182
• UNSPSC 코드: 12161703
• EC 인덱스 번호: 231-448-7
• NACRES: NB.21

속성

• Quality Level: 100
• 분석: ≥99.0% (acidimetric)
• 형태: solid
• 효능: >2000 mg/kg LD₅₀, oral (Rat)
• 기술: HPLC: suitable
• pH: 9.0-9.4 (20 °C, 50 g/L in H₂O)
• mp: 92.5 °C (Elimination of water of crystallisation)
• density: 2.1 g/cm³ at 20 °C
• 벌크 밀도: 850‑1000 kg/m³
• 저장 온도: 2-30°C
• SMILES string: O.O.[Na+].[Na+].OP([O-])([O-])=O
• InChI: 1S/2Na.H3O4P.2H2O/c;;1-5(2,3)4;;/h;;(H3,1,2,3,4);2*1H2/q2*+1;;;/p-2
• InChI key: KDQPSPMLNJTZAL-UHFFFAOYSA-L

설명

분석 메모

Identity: passes test
pH-value (5 %; water): 9.0 - 9.2
Assay (acidimetric): ≥ 99.0 %
Self-absorption (215 nm; 0.2 mol/l; 1 cm; water): ≤ 0.15
Self-absorption (220 nm; 0.2 mol/l; 1 cm; water): ≤ 0.05
Self-absorption (254 nm; 0.2 mol/l; 1 cm; water): ≤ 0.02

법적 정보

LiChropur is a 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