<br /> 线性分子式: Na2B4O7 CAS号: 1330-43-4 分子量: 201.22 EC 号: 215-540-4 MDL编号: MFCD00081185 PubChem化学物质编号: 329763686 NACRES: NA.25">
200
BioUltra
≥99%
crystals
insoluble matter, passes filter test
≤1% loss on drying, 20 °C (HV)
9.0-10.5 (25 °C, 0.1 M in H2O)
H2O: 0.1 M at 20 °C, clear, colorless
chloride (Cl-): ≤10 mg/kgphosphate (PO43-): ≤20 mg/kgsulfate (SO42-): ≤50 mg/kg
Al: ≤5 mg/kgAs: ≤0.5 mg/kgBa: ≤5 mg/kgBi: ≤5 mg/kgCa: ≤50 mg/kgCd: ≤5 mg/kgCo: ≤5 mg/kgCr: ≤5 mg/kgCu: ≤5 mg/kgFe: ≤5 mg/kgK: ≤50 mg/kgLi: ≤5 mg/kgMg: ≤5 mg/kgMn: ≤5 mg/kgMo: ≤5 mg/kgNi: ≤5 mg/kgPb: ≤5 mg/kgSr: ≤5 mg/kgZn: ≤5 mg/kg
0.1 M in H2O
λ: 260 nm Amax: ≤0.020λ: 280 nm Amax: ≤0.015
[Na+].[Na+].[O-]B1Ob2ob([O-])ob(O1)o2
1S/B4O7.2Na/c5-1-7-3-9-2(6)10-4(8-1)11-3;;/q-2;2*+1
UQGFMSUEHSUPRD-UHFFFAOYSA-N
Danger
Eye Irrit. 2 - Repr. 1B
6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
WGK 1
Eyeshields, Gloves, type P3 (EN 143) respirator cartridges