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Merck
CN

71350

Sigma-Aldrich

无水碳酸钠

puriss. p.a., ACS reagent, anhydrous, ≥99.5% (calc. based on dry substance, T)

别名:

碳酸二钠盐, 纯碱, 苏打灰:

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About This Item

线性分子式:
Na2CO3
CAS号:
分子量:
105.99
Beilstein:
4154566
EC 号:
MDL编号:
UNSPSC代码:
12352300
PubChem化学物质编号:

等级

ACS reagent
puriss. p.a.

方案

≥99.5% (calc. based on dry substance, T)

杂质

≤0.001% total nitrogen (N)
≤0.003% total sulfur (as SO4)

缺失

≤0.5% loss on drying, 300 °C

mp

851 °C (lit.)

痕量阴离子

chloride (Cl-): ≤10 mg/kg
phosphate (PO43-): ≤10 mg/kg
silicate (as SiO2): ≤20 mg/kg

痕量阳离子

Ag: ≤5 mg/kg
Al: ≤10 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: ≤20 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤20 mg/kg
Zn: ≤5 mg/kg

SMILES字符串

O=C(O[Na])O[Na]

InChI

1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2

InChI key

CDBYLPFSWZWCQE-UHFFFAOYSA-L

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生化/生理作用

缓冲液成分,可用于去除外周膜蛋白。

其他说明

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

用于通过熔融法分解硅酸盐的试剂

象形图

Exclamation mark

警示用语:

Warning

危险声明

危险分类

Eye Irrit. 2

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves

法规信息

新产品

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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访问文档库

Z. Sulcek et al.
Methods of Decomposition in Inorganic Analysis (1989)
R. Bock
Aufschlussmethoden der anorg. & org. Chemie (1972)
Nicola Palomero-Gallagher et al.
The Journal of comparative neurology, 508(6), 906-926 (2008-04-12)
Anterior cingulate cortex (ACC) is involved in emotion, mood, and autonomic regulation. Although a subgenual part of ACC (sACC) may be vulnerable in depression and area 25 is cytologically unique, there are no assessments that contrast this region with pregenual
Eric W C Chan et al.
Pharmacognosy research, 3(3), 178-184 (2011-10-25)
Chlorogenic acid (CGA) or 5-caffeoylquinic acid, was found to be the dominant phenolic compound in leaves of Etlingera elatior (Zingiberaceae). The CGA content of E. elatior leaves was significantly higher than flowers of Lonicera japonica (honeysuckle), the commercial source. In
Alessandra Cincinelli et al.
Bioorganic & medicinal chemistry, 19(6), 1847-1851 (2011-03-08)
A high activity α-carbonic anhydrase (CA, EC 4.2.1.1) has been purified from various tissues of the Antarctic seal Leptonychotes weddellii. The new enzyme, denominated lwCA, has a catalytic activity for the physiologic CO(2) hydration to bicarbonate reaction, similar to that

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