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Merck
CN

71997

Sigma-Aldrich

无水硼砂

BioUltra, anhydrous, ≥99%

别名:

四硼酸钠

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线性分子式:
Na2B4O7
化学文摘社编号:
1330-43-4
分子量:
201.22
EC 号:
215-540-4
MDL编号:
MFCD00081185
UNSPSC代码:
12352302
PubChem化学物质编号:
329763686
NACRES:
NA.25

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等级

reagent grade

质量水平

200

产品线

BioUltra

方案

≥99%

表单

crystals

杂质

insoluble matter, passes filter test

缺失

≤1% loss on drying, 20 °C (HV)

pH值（酸碱度）

9.0-10.5 (25 °C, 0.1 M in H2O)

溶解性

H2O: 0.1 M at 20 °C, clear, colorless

痕量阴离子

chloride (Cl-): ≤10 mg/kg
phosphate (PO43-): ≤20 mg/kg
sulfate (SO42-): ≤50 mg/kg

痕量阳离子

Al: ≤5 mg/kg
As: ≤0.5 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤50 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

0.1 M in H2O

紫外吸收

λ: 260 nm Amax: ≤0.020
λ: 280 nm Amax: ≤0.015

SMILES字符串

[Na+].[Na+].[O-]B1Ob2ob([O-])ob(O1)o2

InChI

1S/B4O7.2Na/c5-1-7-3-9-2(6)10-4(8-1)11-3;;/q-2;2*+1

InChI key

UQGFMSUEHSUPRD-UHFFFAOYSA-N

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法律信息

象形图

Health hazardExclamation mark
GHS08,GHS07

警示用语：

Danger

危险声明

H319,H360FD

危险分类

Eye Irrit. 2 - Repr. 1B

储存分类代码

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCM6847
BCCL6820
BCCJ1338
BCCG6523
BCCD7933

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