碳酸氢钠，Sodium bicarbonate；anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99.7%

小苏打；Sodium hydrogen carbonate；线性分子式: NaHCO3 CAS号: 144-55-8 分子量: 84.01 Beilstein: 4153970 EC 号: 205-633-8 MDL编号: MFCD00003528 PubChem化学物质编号: 329768339 NACRES: NA.21

制造商品牌: 西格玛 Sigma-Aldrich

货号（SKU）: 792519

CAS号: 144-55-8

MDL号: MFCD00003528

签订合同 √ 正规发票 √ 技术支持 √ 质量保障 √ 全程可追溯 √

目录价.SKU-Variant

500g
1Kg [+¥429.45]
2.5Kg [+¥447.48]
12Kg [+¥1,379.71]

¥662.91

数量:

说明

碳酸氢钠通常被称为小苏打。它作为二氧化碳的来源，用于制备各种钠盐。它也是一种重要的pH调节剂。
碳酸氢钠可作为反应物，通过醛和氨基酸的缩合反应合成席夫碱单钠。

一般描述

Sodium bicarbonate is commonly known as baking soda. It serves as a source of carbon dioxide and is used to prepare a variety of sodium salts. It is also an important pH-regulating agent.

应用

Sodium bicarbonate can be used as a reactant to synthesize monosodium Schiff bases by the condensation reaction of aldehydes and amino acids.

特点和优势

Increased efficiency – Eliminates time and effort of loosening hardened powders
Safety – Eliminates tools of force used to break up clumps
Ecology – Reduces waste as it does not stick to the packaging
Economy – Faster preparation and solvation increase productivity and reduce costs
Assured Quality – Excellent, expert-tested quality with no anti-caking agents
Flexible volumes – Available from research amounts to scale-up quantities

法律信息

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

属性

等级

ACS reagent
anhydrous

质量水平

100

产品线

Redi-Dri^™

测定

≥99.7%

形式

powder

质量

free-flowing

杂质

≤0.015% insoluble matter

pKa (25 °C)

(1) 6.37, (2) 10.25 (carbonic acid)

密度

2.16 g/mL at 25 °C (lit.)

痕量阴离子

chloride (Cl^-): ≤0.003%
phosphate (PO₄^3-): ≤0.001 ppm
sulfur compounds (as SO₄^2-): ≤0.003%

痕量阳离子

Ca: ≤0.02%
Fe: ≤0.001%
K: ≤0.005%
Mg: ≤0.005%
NH₄⁺: ≤5 ppm
heavy metals: ≤5 ppm (by ICP-OES)

SMILES string

[Na+].OC([O-])=O

InChI

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

InChI key

UIIMBOGNXHQVGW-UHFFFAOYSA-M

安全信息

储存分类代码

13 - Non Combustible Solids

WGK

WGK 1

商品规格

属性名称	属性值
储存温度 Storage temp.	常温阴凉避光
全球实时库存 Availability √	美国St. Louis ≥ 50 \| 欧洲Eur. ≥ 12 \| 東京Tokyo ≥ 20 \| 香港与北京 ≥ 50

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