Sulphuric acid

Sulphuric acid
Space-fillin model	Ball-an-stick model
Names
	IUPAC name Sulfuric acid
	Ither names Ile o vitriol
Identifiers
CAS Nummer	7664-93-9 ;
3D model (JSmol)	Interactive eemage;
ChEBI	CHEBI:26836 ;
ChEMBL	ChEMBL572964 ;
ChemSpider	1086 ;
EC Nummer	231-639-5
KEGG	D05963 ;
RTECS nummer	WS5600000
UNII	O40UQP6WCF ;
UN nummer	1830
	InChI InChI=1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4) Key: QAOWNCQODCNURD-UHFFFAOYSA-N ; InChI=1/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4) Key: QAOWNCQODCNURD-UHFFFAOYAC;
	SMILES OS(=O)(=O)O;
Properties
Chemical formula	H; 2SO; 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)
Solubility in watter	miscible
Acidity (pKa)	−3, 1.99
Viscosity	26.7 cP (20 °C)
Thermochemistry
Staundart molar; entropy So298	157 J·mol−1·K−1
Std enthalpy o; formation ΔfHo298	−814 kJ·mol−1
Hazards
GHS pictograms
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	0 3 2 W
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):
LD50 (Median dose)	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).
	verify (whit is ?)
	Infobox references

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

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