偏硅酸钠

Name: 偏硅酸钠
Brand: 济南圣和化工有限公司

CAS 1344-09-8Na2O3SiMW 122.063

本页收录偏硅酸钠，CAS 登记号为 1344-09-8，分子式 Na2O3Si，分子量 122.063，归类于无机化学品。作为主营产品之一，济南圣和化工有限公司可提供从公斤级到吨级的稳定供货，随货附 COA 与质检资料。

产品概览

CAS号	1344-09-8
分子式	Na2O3Si
分子量	122.063
熔点	1089 °C
沸点	102 °C @760 [mm Hg]
纯度	按批次COA提供(不公开发布)
包装	按订单/批次确认(不公开发布)
应用领域	无机化学品
类别	无机化学品

应用领域

无机化学品

偏硅酸钠主要应用于无机化学品。具体使用工况下的添加量与规格要求，欢迎与技术团队沟通确认。

包装与储存

包装规格按订单/批次确认(不公开发布)

纯度规格按批次COA提供(不公开发布)

储存条件密封、阴凉干燥处保存

运输常规化工运输

样品可协商提供

交期现货/按订单安排

供货能力：偏硅酸钠备有现货，包装形式为按订单/批次确认(不公开发布)。我们支持对公转账并开具增值税发票，山东省内可安排快速配送，省外按物流时效发货，具体请联系 info@591daili.com。

质量与文件

每批产品随货提供 COA（分析证书）；可按需提供 MSDS/技术数据表及第三方检测报告。纯度与包装以批次 COA 及订单确认为准。

关于供应商

作为化工原料供应服务商，济南圣和化工有限公司长期服务于化工贸易、食品添加、医药中间体、日化原料等行业的采购需求。除偏硅酸钠外，您还可以在站内按 CAS 号或产品分类检索更多品类，获取规格与报价。

常见问题

偏硅酸钠的 CAS 号是多少？

偏硅酸钠的 CAS 号为 1344-09-8。

该产品的纯度和包装规格是什么？

常规纯度规格为按批次COA提供(不公开发布)，包装为按订单/批次确认(不公开发布)，随货提供 COA。

偏硅酸钠有什么用途？

主要应用于无机化学品。

如何购买或获取报价？

请发送邮件至 info@591daili.com 或通过 WhatsApp 联系，注明产品名称、CAS 号与需求数量，一个工作日内回复报价。供应商：济南圣和化工有限公司。

PubChem 公开数据

Description

Sodium silicate · CAS 1344-09-8 · Na2O3Si. UNII 052612U92L. Boiling Point: 102 °C @760 [mm Hg]; Melting Point: 1089 °C; Density: 2.614.

Identification

CAS Registry Number	1344-09-8
PubChem CID	23266
Molecular formula	Na2O3Si
IUPAC name	disodium;dioxido(oxo)silane
UNII (FDA)	052612U92L

Computed Descriptors

Molecular Weight	122.063
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	121.94120896
Monoisotopic Mass	121.94120896
Topological Polar Surface Area	63.2
Heavy Atom Count	6
Formal Charge	0
Complexity	18.8

Physical & Chemical Properties

Boiling Point	102 °C @760 [mm Hg]
Melting Point	1089 °C
Density	2.614
Density	1.1 to 1.7 @ 15°C
Vapor Pressure	18 [mm Hg]

Physical description & handling notes

Sodium silicate appears as a powdered or flaked solid substance. Strong irritant to skin, eyes, and mucous membranes. May be toxic by ingestion. Concentrated aqueous solutions used as a glue.
Large Crystals; Liquid; Liquid; Dry Powder; Liquid; Liquid; Other Solid; Large Crystals; CBI; Dry Powder; Other Solid; Wet Solid
Liquid; Other Solid; Dry Powder; Liquid; Liquid; Dry Powder; Dry Powder; Gas Vapor; Liquid; CBI; Large Crystals
Deliquescent powder or flakes; [CAMEO] Amorphous lumps, aqueous solution, or spray-dried powder with approximately 20% residual water; [Reference #1]
White solid; [Hawley] Colorless to white hygroscopic solid; [ICSC] White odorless granules; [Alfa Aesar MSDS]
COLOURLESS 25-50% SODIUM SILICATE SOLUTION IN WATER.

Regulatory Status

Regulatory & Food Contact	FDA Substance added to food: Use unspecified FDA Substance added to food: ANTICAKING AGENT OR FREE-FLOW AGENT, DRYING AGENT, HUMECTANT, PROCESSING AID FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS CIR / INCI: Cosmetic ingredients (Sodium Metasilicate) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Cosmetic ingredients (Sodium Silicate) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Buffering; Anticorrosive; Chelating
GHS notification summary	7.2% (290 / 4043)

Regulatory & Food Contact

FDA Substance added to food: Use unspecified
FDA Substance added to food: ANTICAKING AGENT OR FREE-FLOW AGENT, DRYING AGENT, HUMECTANT, PROCESSING AID
FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
CIR / INCI: Cosmetic ingredients (Sodium Metasilicate) -> CIR (Cosmetic Ingredient Review)
CIR / INCI: Cosmetic ingredients (Sodium Silicate) -> CIR (Cosmetic Ingredient Review)
CIR / INCI: Buffering; Anticorrosive; Chelating

GHS notification summary

7.2% (290 / 4043)

GHS Hazard Classification

GHS notification summary	7.2% (290 / 4043)
Reported hazard statements	H314, H335, H290 (13.9%), H302 (24.1%), H315 (72.6%), H318 (61.5%), H319 (28%), H371

H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Documented Uses

CIR ingredient: Sodium Metasilicate
CIR ingredient: Sodium Silicate
Steel Producing [Category: Industry]
Molding and Core Making [Category: Foundry]
Petroleum Production and Refining [Category: Industry]
Pulp and Paper Processing [Category: Industry]

Synonyms

SODIUM SILICATE; Waterglass; Sodium siliconate; Sodium sesquisilicate; Sodium silicate glass; Sodium water glass; Britesil; Carsil; Dryseq; Sikalon; Silican; Soluble glass; Silicic acid, sodium salt; Agrosil S; Agrosil LR; Portil A

Frequently Asked Questions

What are the CAS number and molecular formula of Sodium silicate?

CAS 1344-09-8; molecular formula Na2O3Si; molecular weight — g/mol.

What other names is Sodium silicate known by?

SODIUM SILICATE, Waterglass, Sodium siliconate, Sodium sesquisilicate, Sodium silicate glass, Sodium water glass.

What is the regulatory status of Sodium silicate?

Documented regulatory listings: FDA Substance added to food: Use unspecified; FDA Substance added to food: ANTICAKING AGENT OR FREE-FLOW AGENT, DRYING AGENT, HUMECTANT, PROCESSING AID; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is Sodium silicate classified as hazardous?

7.2% of GHS notifications report no hazard classification (290 of 4043).

What are the key physical properties of Sodium silicate?

Boiling Point: 102 °C @760 [mm Hg]; Melting Point: 1089 °C; Density: 2.614; Density: 1.1 to 1.7 @ 15°C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.