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900504

无水碳酸钠

anhydrous, free-flowing, Redi-Dri™, ACS reagent (primary standard), 99.95-100.05% dry basis

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
UNSPSC Code:
12352302
NACRES:
NA.21
PubChem Substance ID:
24853386
EC Number:
207-838-8
Beilstein/REAXYS Number:
4154566
MDL number:
MFCD00003494
eCl@ss:
38020205
Assay:
99.95-100.05% dry basis
Grade:
ACS reagent (primary standard), anhydrous
Form:
powder
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Quality Level

100

grade

ACS reagent (primary standard), anhydrous

agency

suitable for EPA 300

product line

Redi-Dri™

assay

99.95-100.05% dry basis

form

powder

quality

free-flowing

impurities

≤0.005% silica, ≤0.01% insolubles

loss

≤1.0% loss on heating

pH

12 (25 °C, 106 g/L)

mp

851 °C (lit.)

anion traces

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

cation traces

Ca: ≤0.02%, Fe: ≤5 ppm, K: ≤0.005%, Mg: ≤0.004%, heavy metals: ≤5 ppm (by ICP-OES)

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

Biochem/physiol Actions

缓冲液成分，可用于去除外周膜蛋白。

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

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pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H319

Hazard Classifications

Eye Irrit. 2

存储类别

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

法规信息

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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
SLBX4121
SLBS6379

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商品

Redi-Dri™ – The World of Free-flowing Hygroscopic Products

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

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This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.

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Trousseau described spontaneous, recurrent superficial migratory thrombophlebitis associated with occult cancers, and this was later correlated with disseminated microangiopathy (platelet-rich clots in small blood vessels). Trousseau syndrome often occurs with mucinous adenocarcinomas, which secrete abnormally glycosylated mucins and mucin fragments
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全球贸易项目编号

货号GTIN
900504-500G04061832564906
900504-2.5KG04061832564890