Sulphuric acid

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Sulphuric acid
S=O bond length = 142.2 pm, S-O bond length = 157.4 pm, O-H bond length = 97 pm
Sulfuric-acid-Givan-et-al-1999-3D-vdW.png
Space-fillin model
Sulfuric-acid-Givan-et-al-1999-3D-balls.png
Ball-an-stick model
Names
IUPAC name
Sulfuric acid
Ither names
Ile o vitriol
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.028.763
EC Nummer 231-639-5
E nummer E513 (acidity regulators, ...)
KEGG
RTECS nummer WS5600000
UNII
UN nummer 1830
Properties
H
2
SO
4
Molar mass 98.079 g/mol
Appearance Clear, colourless, odorless liquid
Density 1.84 g/cm3, liquid
Meltin pynt 10 °C (50 °F; 283 K)
Bylin pynt 337 °C (639 °F; 610 K)
miscible
Acidity (pKa) −3, 1.99
Viscosity 26.7 cP (20 °C)
Thermochemistry
Staundart molar
entropy
So298
157 J·mol−1·K−1[1]
Std enthalpy o
formation
ΔfHo298
−814 kJ·mol−1[1]
Hazards
GHS pictograms The corrosion pictogram in the Globally Harmonized Seestem o Classification an Labelling o Chemicals (GHS)
GHS signal wird Danger
GHS hazard statements H314
GHS precautionary statements P260, P264, P280, P301+330+331, P303+361+353, P363, P304+340, P305+351+338, P310, P321, P310, P405, P501
NFPA 704
Flammability code 0: Will nae burn. E.g., watterHealth code 3: Short exposur could cause serious temporary or residual injury. E.g., chlorine gasReactivity code 2: Unnergangs violent chemical chynge at elevatit temperatures an pressurs, reacts violently wi water, or mey form explosive mixturs wi watter. E.g., phosphorusSpecial hazard W: Reacts wi watter in an unusual or dangerous manner. E.g., cesium, sodiumNFPA 704 four-colored diamond
0
3
2
Flash pynt Non-flammable
Threshold Leemit Value 15 mg/m3 (IDLH), 1 mg/m3 (TWA), 2 mg/m3 (STEL)
Lethal dose or concentration (LD, LC):
2140 mg/kg (oral, rat), LC50 = 25 mg/m3 (inhalation, rat)
Relatit compoonds
Except whaur itherwise notit, data are gien for materials in thair staundart state (at 25 °C [77 °F], 100 kPa).
YesY verify (whit is YesYN ?)
Infobox references

Sulphuric acid (alternative spellin sulfuric acid) is a heichly corrosive strang mineral acid wi the molecular formula H2SO4.

References[eedit | eedit soorce]

  1. 1.0 1.1 Zumdahl, Steven S. (2009). Chemical Principles 6th Ed. Houghton Mifflin Company. p. A23. ISBN 0-618-94690-X. 
  2. "NuGenTec Material Safety Datasheet-Sulfuric acid" (PDF). 
  3. "Sulfuric acid IPCS". The substance is harmful to aquatic organisms.(ENVIRONMENTAL DATA)