基本情報
- CAS
16871-90-2- 標準SMILES
F[Si-2](F)(F)(F)(F)F.[K+].[K+]- InChIKey
UUHPPUWEDCVPCO-UHFFFAOYSA-N- 分子式
- F6Si.2K
- 平均分子量
- 220.272 g/mol
- 単同位体質量
- 219.8947585
概要
Potassium fluorosilicate appears as a white, odorless crystalline powder. Denser than water. Contact may cause irritation to skin, eyes, and mucous membranes. May be toxic by ingestion. Used to make other chemicals.
名称と識別子
- 優先名称
- Potassium hexafluorosilicate
- IUPAC
- dipotassium;hexafluorosilicon(2-)
- 現地名
- ケイフッ化カリウム
- 英語名
- Potassium fluorosilicate
- 分子式
- F6K2Si
- 分子量
- 220.27
名称と別名
Potassium hexafluorosilicate16871-90-2Potassium fluosilicatePotassium silicofluorideDipotassium hexafluorosilicate2610W49XYDDipotassium hexafluorosilicate(2-)EINECS 240-896-2UN2655UNII-2610W49XYDSilicate(2-), hexafluoro-, potassium (1:2)DTXSID10884939
名称をさらに表示
けいふっ化カリウムヘキサフルオロけい酸カリウムヘキサフルオロけい酸カリウム(けいふっ化カリウム)ヘキサフルオリドケイ酸（2-）二カリウムヘキサフルオロけい酸カリウム( けいふっ化カリウム)ヘキサフルオロけい酸カリウム, 99%ヘキサフルオロけい酸カリウム, 99.999% (metals basis)dipotassiumhexafluorosilicate(2-)Potassium fluosilicapotassiumfluosilicateKaliumhexafluorsilikatpotassium flurosilicatePOTASSIUM FLUOROSILICATEPOTASSIUM SILICAFLUORIDEPotasssium Silicofluoride
POTASSIUM HEXAFLUOROSILICATE [MI]SILICATE, HEXAFLUORO-, DIPOTASSIUMEC 240-896-2RefChem:175487FLUOSILICATE DE POTASSIUMDipotassium hexafluorosilicate(2)FLUOROSILICATE DE POTASSIUMSILICOFLUORURE DE POTASSIUM
物性
構造計算による物性
- 極性表面積
- 0 Ų
- 水素結合供与体数
- 0
- 水素結合受容体数
- 7
- 回転可能結合数
- 0
- 重原子数
- 9
- 形式電荷
- 0
- 複雑度
- 62.7
実験および物理化学的性質
Chemical ClassesMetals -> Metals, Inorganic Compounds
CosmeticsAntiplaque; Oral care
Density
Relative density (water = 1): 2.3
2.27 @25 °C
SolubilitySolubility in water, g/100ml at 20 °C: 0.18 (poor)
Physical Description
Potassium fluorosilicate appears as a white, odorless crystalline powder. Denser than water. Contact may cause irritation to skin, eyes, and mucous membranes. May be toxic by ingestion. Used to make other chemicals.
Dry Powder
White solid; [Merck Index] White powder; [Alfa Aesar MSDS]
WHITE CRYSTALS OR FINE POWDER.
物理化学的性質
- 融点
- °Cd ec.)
- 沸点
- dec
- 比重(密度)
- 2.665 g/mL · 2.665 g/mL at 25 °C(lit.)
- 蒸気圧
- 0.01 Pa · 0.01Pa
- 屈折率
- 1.3991 · 1.3991
- 溶解性
- insoluble in ethanol
- 外見
- 粉
- 比重
- 2.665 · 2.665
- 色
- 白い
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
H301: Toxic if swallowed [Danger Acute toxicity, oral]
P261, P262, P264, P270, P271, P280, P301+P316, P302+P352, P304+P340, P316, P321, P330, P361+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
This chemical does not meet GHS hazard criteria for 9.2% (11 of 119) of reports.
Danger
H301 (90.8%): Toxic if swallowed [Danger Acute toxicity, oral]
危険有害性情報
Regulatory Information
Chemical: Silicate(2-), hexafluoro-, dipotassium
Silicate(2-), hexafluoro-, potassium (1:2) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Silicate(2-), hexafluoro-, potassium (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: Dipotassium hexafluorosilicate (EC: 240-896-2)
Potassium hexafluorosilicate: Does not have an individual approval but may be used under an appropriate group standard
The New Jersey Worker and Community Right to Know Act requires public and private employers to provide information about hazardous substances at their workplaces. (N.J.S.A. 34:5A-1 et. seq.)
Other Safety InformationIMAP assessments - Hexafluorosilicate salts: Human health tier II assessment
DOT LabelPoison
Fire Hazards
Excerpt from ERG Guide 151 [Substances - Toxic (Non-Combustible)]:
Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.
Health HazardsExcerpt from ERG Guide 151 [Substances - Toxic (Non-Combustible)]:
Hazards Summary
化学と産業
用途と製造
Uses
Used to make opalescent glass, in porcelain enamels, insecticides, and aluminum metallurgy; [Merck Index]
Aluminum Producing [Category: Industry]
Ceramics making [Category: Hobbies]
U.S. Production2023: 407,000 lb
Consumer UsesNot Known or Reasonably Ascertainable
Industry UsesAbrasives
Use ClassificationCosmetics -> Antiplaque; Oral care
General Manufacturing Information
Not Known or Reasonably Ascertainable
Silicate(2-), hexafluoro-, potassium (1:2): ACTIVE
応用分野
用途光学用レンズ、農薬
使用In the manufacture of opalescent glass, in porcelain enamels, in insecticides. Also used in aluminum metallurgy.
一般的な説明A white, odorless crystalline powder. Denser than water. Contact may cause irritation to skin, eyes, and mucous membranes. May be toxic by ingestion. Used to make other chemicals.
調製方法
純化方法Crystallise it several times from conductivity water (100mL/g) between 100o and 0o.
上流・下流製品情報
上流原料
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