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900503

无水碳酸钠

anhydrous, powder or granules, free-flowing, Redi-Dri™, ACS reagent, ≥99.5%

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:
24853323
EC Number:
207-838-8
Beilstein/REAXYS Number:
4154566
MDL number:
MFCD00003494
eCl@ss:
38020205
Assay:
≥99.5%
Grade:
ACS reagent, anhydrous
Form:
powder or granules
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Quality Level

100

grade

ACS reagent, anhydrous

agency

suitable for EPA 300

product line

Redi-Dri™

assay

≥99.5%

form

powder or granules

quality

free-flowing

impurities

≤0.005% silica, ≤0.01% insolubles

loss

≤1.0% loss on heating, 285°C

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: ≤0.03%, Fe: ≤5 ppm, K: ≤0.005%, Mg: ≤0.005%, 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

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKCM9200
MKCL7766
MKCK9111
MKCJ6690
MKCB0459V

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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.

Mark Wahrenbrock et al.
The Journal of clinical investigation, 112(6), 853-862 (2003-09-17)
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
Jian-Wen Chen et al.
American journal of physiology. Endocrinology and metabolism, 284(6), E1149-E1155 (2003-02-27)
At present, the circulating bioactivity of insulin-like growth factor I (IGF-I) is estimated by immunological measurements of IGF-I levels. However, immunoassays ignore the modifying effects of the IGF-binding proteins (IGFBPs) on the interaction between IGF-I and the IGF-I receptor (IGF-IR).
Angeles M Alonso et al.
Journal of agricultural and food chemistry, 50(21), 5832-5836 (2002-10-03)
It has been demonstrated that wine and other products derived from the grape have a high antioxidant capability; as a possible consequence of this, they may have potential benefits for health. The byproducts of the winemaking process represent a source
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全球贸易项目编号

货号GTIN
900503-500G04061832564876
900503-5KG04061832564883
900503-12KG04061833693087
900503-1KG04061824806755
900503-2.5KG04061832564869