产品名称

英文名称：Sodium metasilicate

同义词

零水偏硅,无水偏硅酸钠,偏硅酸二钠, 氧化硅钠, 硅酸二钠, 硅酸钠

产品性质

CAS编号：6834-92-0

分子式：Na2SiO3

分子量：122.06

EC号：229-912-9

MDL号：MFCD00003492

PubChem编号：23266

别名：零水偏硅,无水偏硅酸钠,偏硅酸二钠, 氧化硅钠, 硅酸二钠, 硅酸钠

规格或纯度：SiO2,44-47%

英文名称：Sodium metasilicate

应用：用于制备NaZnSiO3OH, 一种新型手性骨架材料，该物质在离子交换、吸收和催化方面有巨大的应用价值。 零水偏硅酸钠也广泛应用于配置各类洗剂、金属表面处理、陶瓷助磨剂、耐火剂原料、保塑保水剂原料、除油、纺织印染助剂及纸张脱墨剂等。

运输条件：常规运输

产品介绍：零水偏硅酸钠属于无机盐产品，是一种无毒、无味、无公害的白色颗粒，易溶于水，不溶于醇和酸，水溶液呈碱性，置于空气中易吸湿潮解，具有去垢、乳化、分散、湿润、渗透性及对PH值有缓冲能力。反应物用于•水热法制备硅酸or铀（Th1-xUxSiO4）铀钛铁矿固溶体•制备致密的NaA沸石涂层•用于制备钨改性二氧化硅的反应物，作为苯乙烯液相氧化的催化剂偏硅酸钠（SMS）已用于制备聚吡咯/偏硅酸钠（PPy / Na2SiO3）和聚噻吩/偏硅酸钠（PT / Na2SiO3）复合材料，这是用于电力电子系统的新型高介电常数材料。SMS也可以使用•制备一种新型的手性骨架材料NaZnSiO3OH，在离子交换，吸附和催化方面具有潜在的应用前景。•作为原硅酸四乙酯（TEOS）的低成本替代品，用于合成有序介孔二氧化硅。•准备地聚合物混凝土。Zero water sodium metasilicate is an inorganic salt product. It is a non-toxic, odorless, and pollution-free white particle. It is easily soluble in water, insoluble in alcohol and acid. The aqueous solution is alkaline. It is easy to absorb moisture and deliquescence when placed in the air. Scaling, emulsification, dispersion, wetting, permeability and buffering ability to PH value.Reactant for• Hydrothermal preparation of thorium uranium silicate (Th1-xUxSiO4) uranothorite solid solutions• Fabrication of dense NaA zeolite coatings• Reactant for preparation of tungsten modified silica as catalyst for liquid phase oxidation of styreneSodium metasilicate (SMS) has been used in the preparation of polypyrrole/sodium metasilicate (PPy/Na2SiO3) and polythiophene/sodium metasilicate (PT/Na2SiO3) composites, novel high dielectric constant materials for use in power electronic systems.SMS can also be used• To prepare NaZnSiO3OH, anovel chiral framework material which has potential application in ion exchange, adsorption and catalysis.• As alow-cost alternative to tetraethyl orthosilicate (TEOS) to synthesize highly ordered mesoporous silicas.• To prepare geopolymer concrete.

IUPAC Name：disodium;dioxido(oxo)silane

INCHI：InChI=1S/2Na.O3Si/c;;1-4(2)3/q2*+1;-2

InChi Key：NTHWMYGWWRZVTN-UHFFFAOYSA-N

Canonical SMILES：[O-][Si](=O)[O-].[Na+].[Na+]

Isomeric SMILES：[O-][Si](=O)[O-].[Na+].[Na+]

WGK Germany：1

RTECS：VV9275000

PubChem CID：23266

UN Number：1759

Packing Group：I

密度：2.61

敏感性：对湿度敏感

熔点：1088℃

一般危化品：一般危化品

象形图：

信号词：Danger

危险声明：H335 May cause respiratory irritationH314 Causes severe skin burns and eye damage

预防措施声明：P261,P280,P321,P405,P501,P264,P260,P271,P301+P330+P331,P304+P340,P363,P403+P233,P305+P354+P338,P302+P361+P354,P316,P319

Class：8

个人防护装备：Eyeshields,Faceshields,full-face particle respirator type N100 (US),Gloves,respirator cartridge type N100 (US),type P1 (EN143) respirator filter,type P3 (EN 143) respirator cartridges

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