|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:acidStrength
|
strong acid in concentrated form
weak acid in dilute aqueous solution
|
|
gptkbp:antidote
|
gptkb:calcium_gluconate
|
|
gptkbp:appearance
|
colorless gas or fuming liquid
|
|
gptkbp:aroma
|
pungent, irritating
|
|
gptkbp:autoignitionTemperature
|
not flammable
|
|
gptkbp:band
|
polar covalent
|
|
gptkbp:boilingPoint
|
19.5 °C
|
|
gptkbp:CASNumber
|
7664-39-3
|
|
gptkbp:chemicalFormula
|
gptkb:HF
|
|
gptkbp:countryOfOrigin
|
gptkb:European_Union
gptkb:United_States
|
|
gptkbp:density
|
0.991 g/cm³ (liquid at 25 °C)
|
|
gptkbp:discoveredBy
|
gptkb:Carl_Wilhelm_Scheele
|
|
gptkbp:discoveredIn
|
1771
|
|
gptkbp:EC_number
|
231-634-8
|
|
gptkbp:GHSClassification
|
gptkb:GHS05
gptkb:GHS06
gptkb:GHS09
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
HF
|
|
gptkbp:hydrogenBonding
|
strong
|
|
gptkbp:isConjugateBaseOf
|
gptkb:fluoride
|
|
gptkbp:IUPACName
|
gptkb:hydrogen_fluoride
|
|
gptkbp:mainEnvironmentalConcern
|
gptkb:air_pollution
toxic to aquatic life
corrosive to infrastructure
|
|
gptkbp:mainIndustrialSource
|
reaction of fluorite (CaF2) with sulfuric acid
|
|
gptkbp:meltingPoint
|
-83.6 °C
|
|
gptkbp:molecularWeight
|
20.006 g/mol
|
|
gptkbp:NFPA704
|
Health 4, Flammability 0, Instability 0
|
|
gptkbp:otherName
|
gptkb:hydrofluoric_acid
|
|
gptkbp:pKa
|
3.17
|
|
gptkbp:PubChem_CID
|
14917
|
|
gptkbp:riskFactor
|
highly toxic
can cause systemic toxicity
causes severe burns
corrosive
tissue penetration and fluoride toxicity
|
|
gptkbp:solubility
|
miscible
|
|
gptkbp:storage
|
corrosion-resistant containers
|
|
gptkbp:structure
|
diatomic molecule
|
|
gptkbp:UNNumber
|
1052
|
|
gptkbp:uses
|
semiconductor industry
glass etching
metal cleaning
production of organofluorine compounds
|
|
gptkbp:vaporPressure
|
1.0 atm (at 19.5 °C)
|
|
gptkbp:bfsParent
|
gptkb:radio_station
|
|
gptkbp:bfsLayer
|
4
|