显强酸性,带有强烈的刺激性嗅味,能与水任意混和,煮沸分解为四氟化硅及氟化氢,对玻璃、陶瓷有腐蚀性,对皮肤和粘膜有强烈腐蚀性。已经制备了高硅氟硅酸。它们所需的额外二氧化硅含量要比 H2SiF6所代表的组成高18%。已报道了氟硅酸的制备和性质。氟硅酸可以作为磷酸盐肥料的主要副产物获得。可通过氯化钠中和用于制备氟硅酸钠。还可与氨进行中和生成氟化铵和二氧化硅 High-silic fluoro silicic acids have been prepared. They have desired amount of extra silica upto 18% more than the composition as represented by H2SiF6. Preparation and properties of fluosilicic acid have been reported. Fluosilicic acid can be obtained as a major byproduct of phosphate fertilizer industry.It can be used in the preparation of sodium fluorosilicate, via neutralization with sodium chloride. It can also undergo neutralization with ammonia to produce ammonium fluoride and silica.
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Fluorosilicic acid solution
Dangerous GoodsCAS number:16961-83-4 molecular formula:H2SiF6
overview
compound introduction
Specs
| Chinese alias | 氢氟硅酸,氢硅氟酸,硅氟酸 | ||
| English alias | Dihydrogen hexafluorosilicate | OHORFAFFMDIQRR-UHFFFAOYSA-P | FLUOSILICIC ACID [MI] | FT-0626488 | Hydrofluorosilicic acid | Dihydrogen hexafluorosilicate(2-) | Fluorosilicic acid | Silicate(2-), hexafluoro-, dihydrogen | DTXSID2029741 | Kieselfluorwasser | ||
| CAS number | 16961-83-4 | molecular formula | H2SiF6 |
| molecular weight | 144.09 g/mol | Exact mass | AR |
| PSA | 0.000 Ų | logp | - |
numbering system
No numbering system information yet
physicochemical properties
No physical and chemical property information yet
Safety information
pictogram:
GHS06 , GHS05
Signal word:
Danger
Hazard Statement:
H311: 皮肤接触有毒 H314: 造成严重的皮肤灼伤和眼睛损伤 H302: 吞食有害
Statement of Preventive Measures:
P280: 戴防护手套/穿防护服/戴防护眼罩/戴防护面具。 P405: 密闭存放 P501: 将内容物/容器处理到。。。 P264: 处理后要彻底洗手。 P303+P361+P353: 如皮肤(或头发)沾染:立即脱掉所有沾染的衣服。用水清洗皮肤/淋浴。 P270: 使用本产品时,请勿进食、饮水或吸烟。 P301+P330+P331: 如误吞咽:漱口。不要诱导呕吐。 P301+P312+P330: 如误吞咽:如感觉不适,呼叫急救中心/医生。漱口 P361+P364: 立即脱掉所有沾染的衣服,清洗后方可重新使
WGK Germany:
2
Personal protective equipment:
Faceshields,full-face respirator (US),Gloves,Goggles,multi-purpose combination respirator cartridge (US),type ABEK (EN14387) respirator filter
UN Number:
1778
General hazardous chemicals:
一般危化品
Packing Group:
II
Production methods and uses
No production method and use information yet
Related
upstream information
No upstream information yet
downstream information
No downstream information yet
MSDS
Found 1 shareMSDS
16961-83-4 | fluorosilicic acid | fluorosilicic acid | hexafluorosilicic acid





