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Merck
CN

S9000

Sigma-Aldrich

偏亚硫酸氢钠

ReagentPlus®, ≥99%

别名:

偏二亚硫酸钠, 焦亚硫酸钠

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About This Item

线性分子式:
Na2S2O5
CAS号:
分子量:
190.11
EC 号:
MDL编号:
UNSPSC代码:
12352302
PubChem化学物质编号:
NACRES:
NA.21
方案:
≥99%
表单:
powder

质量水平

产品线

ReagentPlus®

方案

≥99%

表单

powder

pH值(酸碱度)

4.5 (20 °C, 50 g/L)

mp

>300 °C (lit.)

SMILES字符串

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

InChI

1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2

InChI key

HRZFUMHJMZEROT-UHFFFAOYSA-L

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应用


  • 镰状红细胞健康指数:讨论了使用焦亚硫酸钠稳定红细胞进行高级计算分析,这对于镰状细胞病的诊断和治疗至关重要(Ansong-Ansongton YON, Adamson TD, 2024)。

  • 化学和热处理法干燥木薯块茎:探讨了焦亚硫酸钠在促进木薯干燥过程中的作用,重点是优化木薯的微观结构和脱水动力学,这对食品保存和加工至关重要(Nainggolan EA, Banout J, Urbanova K, 2023)。

  • 甘蔗阴离子生物絮凝剂:讨论了使用焦亚硫酸钠开发纯化蔗糖的生物絮凝剂,展示了其在提高糖加工行业可持续性方面的潜力((Leão S, Magalhães S, et al., 2023)。

其他说明

为固体,本品为焦亚硫酸钠,Na2S2O5。溶于水,生成 NaHSO 3

法律信息

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

象形图

CorrosionExclamation mark

警示用语:

Danger

危险声明

危险分类

Acute Tox. 4 Oral - Eye Dam. 1

补充剂危害

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable


历史批次信息供参考:

分析证书(COA)

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Journal of pharmaceutical sciences, 101(9), 3305-3318 (2012-05-23)
A 2,4-dinitrophenylhydrazine (DNPH) precolumn derivatization high-performance liquid chromatography-ultraviolet detection (HPLC-UV) method was developed to quantify levels of formaldehyde and acetaldehyde in polyethylene glycol (PEG) solutions. Formic acid and acetic acid were quantified by HPLC-UV. Samples of neat and aqueous PEG
Ivana Mara da Costa Machado Matos Carvalho et al.
Chemosphere, 82(7), 1056-1061 (2010-11-09)
Sodium metabisulfite is used in marine shrimp harvesting to prevent the occurrence of black spots. Shrimps are soaked in a sodium metabisulfite solution in ice, which is disposed of in sewages that run into marine canals, creating an environmental hazard.
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Clinics in dermatology, 29(3), 311-315 (2011-04-19)
Human skin is exposed to a large variety of cosmetic allergens. Most allergic contact dermatitis occurs after exposure to fragrance, preservatives, and hair dyes. Such reactions can often be occult. As a result, a high index of suspicion is needed
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Phytochemistry, 72(1), 82-88 (2010-11-23)
While a long shelf life for fruit products is highly desired, enzymatic browning is the main cause of quality loss in fruits and is therefore a main problem for the food industry. In this study polyphenol oxidase (PPO), the main

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