基本情報
- CAS
13870-28-5- 標準SMILES
O=[Si]([O-])O[Si](=O)[O-].[Na+].[Na+]- InChIKey
OQEVSCYDUYRAAM-UHFFFAOYSA-N- 分子式
- Na2O5Si2
- 平均分子量
- 182.15 g/mol
- 単同位体質量
- 181.90796473
名称と識別子
- 優先名称
- Disodium disilicate
- IUPAC
- disodium;oxido-[oxido(oxo)silyl]oxy-oxosilane
- 現地名
- 二けい酸ナトリウムN水和物
- 英語名
- SODIUM DISILICATE N-HYDRATE
- 分子式
- H3NaO5Si2
- 分子量
- 162.18
名称と別名
Disodium disilicatesodium disilicate13870-28-5PURIFEEDW64N8HUI60SILICATE DHOLLISIL 26BRITESIL H 20 PLUSUNII-W64N8HUI60Silicic acid (H2Si2O5), sodium salt (1:2)DTXSID50891889EC 237-623-4
名称をさらに表示
二けい酸ナトリウム二けい酸ナトリウムN水和物SODIUM NITRITDinatriumdisilikatSilicic acid (H2Si2O5), disodium saltSilicic acid (H2Si2O5),sodium salt (1:2)SODIUM DISILICATE N-HYDRATE ISO 9001：2015 REACH
EINECS 237-623-4SODIUM SILICON OXIDE (NA2SI2O5)SODIO DISILICATORefChem:135034DISILICATO DI DISODIODTXCID501031439disodium;oxido-[oxido(oxo)silyl]oxy-oxosilanesodium disilicate n-hydrate
データベース識別子
- CAS
13870-28-5- PubChem CID
- 61699
- DTXSID
DTXSID50891889- UNII
- W64N8HUI60
- EC Number
- 237-623-4
物性
構造計算による物性
- 極性表面積
- 89.5 Ų
- 水素結合供与体数
- 0
- 水素結合受容体数
- 5
- 回転可能結合数
- 0
- 重原子数
- 9
- 形式電荷
- 0
- 複雑度
- 71.2
実験および物理化学的性質
Chemical ClassesMetals -> Metals, Inorganic Compounds
Physical Description
Dry Powder; Other Solid
White powder or lumps; [BDH Laboratory Supplies MSDS]
物理化学的性質
- 比重(密度)
- 2.43 · 2.43[at 20℃]
- 水溶解度
- 700 g/L · 700g/L at 20℃
- EPAの化学物質情報
- Disodium disilicate (13870-28-5)
安全と法規制
安全情報は参考情報です。供給元の安全データシート（SDS）、適用法令、専門家による評価に代わるものではありません。
GHS分類
GHS Classification
Danger
H318 (98.8%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
P264+P265, P280, P305+P354+P338, and P317 (click each P-code to see the statement)
Aggregated GHS information provided per 173 reports by companies from 3 notifications to the ECHA C&L Inventory.
Danger
H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
危険有害性情報
Regulatory Information
Chemical: Silicic acid (H2Si2O5), disodium salt
Silicic acid (H2Si2O5), sodium salt (1:2) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Silicic acid (H2Si2O5), sodium salt (1:2) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)
REACH registered substance: Disodium disilicate (EC: 237-623-4)
Disodium disilicate: Does not have an individual approval but may be used under an appropriate group standard
Other Safety InformationIMAP assessments - Soluble silicates: Human health tier II assessment
Hazards Summary
May cause serious eye injury; [ECHA REACH Registrations] Causes burns; Inhalation can cause severe respiratory tract irritation; [BDH Laboratory Supplies MSDS] See Tetrasodium orthosilicate. See Sodium metasilicate pentahydrate, Sodium metasilicate, and Sodium silicate.
EPA Safer ChemicalChemical: Disodium disilicate
Hazard Classes and Categories
Eye Dam. 1 (98.8%)
Skin corrosion - category 1
毒性情報
化学と産業
用途と製造
UsesUsed in industrial processing and in consumer washing-cleaning products and water softeners; [ECHA REACH Registrations] Permitted for use as an inert ingredient in non-food pesticide products; [EPA]
U.S. Production2023: 62,311 lb
Consumer UsesSurfactant (surface active agent)
Industry UsesAbrasives
Use Classification
EPA Safer Chemical Functional Use Classes -> Processing Aids and Additives
Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern
General Manufacturing Information
Soap, Cleaning Compound, and Toilet Preparation Manufacturing
Silicic acid (H2Si2O5), sodium salt (1:2): ACTIVE
サプライヤー21 社
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杭州品高化工有限公司0571-87658025 · [email protected]
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深圳市思美泉生物科技有限公司17683743113;18038040196 · [email protected]
Cangzhou Wanyou New Material Technology Co.,Ltd18631714998 · [email protected]
湖北广奥生物科技有限公司027-02702759223056 18162699093 · [email protected]
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