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SX0400

无水碳酸钠

anhydrous, granular, Meets ACS Specifications GR ACS

别名:

碳酸二钠盐, 纯碱, 苏打灰：

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关于此项目

线性分子式:
Na2CO3
化学文摘社编号:
497-19-8
分子量:
105.99
EC Index Number:
207-838-8
UNSPSC Code:
12352302
Beilstein/REAXYS Number:
4154566
MDL number:
MFCD00003494
Assay:
≥99.9% dry basis (acidimetric)
Grade:
ACS reagent
Form:
powder
Solubility:
212.5 g/L
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grade

ACS reagent

Quality Segment

assay

≥99.9% dry basis (acidimetric)

form

powder

impurities

≤0.01% Insoluble matter

loss

≤1% loss on drying, 300°C

pH

11.16 (25 °C, 4 g/L in H2O)

mp

851 °C (lit.)

solubility

212.5 g/L

anion traces

chloride (Cl-): ≤0.001%, phosphate (PO43-): ≤0.001%, silicate (as SiO2): ≤0.005%, sulfur compounds (as SO42-): ≤0.003%

cation traces

Ca: ≤0.005%, Fe: ≤0.0005%, K: ≤0.005%, Mg: ≤0.0005%, heavy metals (as Pb): ≤0.0005%

shipped in

ambient

storage temp.

room temp

SMILES string

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

Application

anhydrous, granular, Meets ACS Specifications GR ACS

Biochem/physiol Actions

缓冲液成分，可用于去除外周膜蛋白。

Analysis Note

Assay (acidimetric; calc. on dried substance)99.9% minCalcium (Ca)0.005% maxChloride (Cl)0.001% maxHeavy metals (as Pb)0.0005% maxInsoluble matter0.01% maxIron (Fe)0.0005% maxLoss on drying (300°C)1.0% maxMagnesium (Mg)0.0005% maxPhosphate (PO4)0.001% maxPotassium (K)0.005% maxSilicate (SiO2)0.005% maxTotal sulfur (as SO4)0.003% max

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象形图

Exclamation mark
GHS07

警示词

Warning

危险代码

H319

Hazard Classifications

Eye Irrit. 2

存储类别

11 - Combustible Solids

怎么回事？

WGK 1

闪点 (F)

Not applicable

闪点 (°C)

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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