CAS No.7446-11-9,Sulfur trioxide Suppliers,MSDS download

Synthetic route

: calcium sulfate

: 7446-11-9
sulfur trioxide

Conditions

Conditions	Yield
With chlorine In neat (no solvent) at 1100 - 1150°C;;	100%
With chlorine In neat (no solvent) addn. of SiO2, NaCl or Na2SO4 increase reaction temp.; react. accelerated;;
With chlorine In neat (no solvent) in presence of charcoal strong react.; addn. of NiSO4, CuSO4, MgSO4, Fe2O3 or KCl reduced yield; no influence of overheated water vapor;; react. detected at 700 - 1150°C;;

: 7446-09-5
sulfur dioxide

: 7446-11-9
sulfur trioxide

Conditions

Conditions	Yield
manganese(IV) oxide 450°C;	98%
2Na2O3MoO3V2O5 440°C;	98.4%
two-stage catalyst contact cooled by SO2 gas, external heat exchangers, temp. in contact bed:400-411°C;	98%

: 7446-09-5
sulfur dioxide

: 80937-33-3
oxygen

: 7446-11-9
sulfur trioxide

Conditions

Conditions	Yield
vanadia Kinetics; 437°C;	98%
platinum Kinetics; 415°C;	98%
vanadia Kinetics; 452°C;	97%

: pyrite

: 7446-11-9
sulfur trioxide

Conditions

Conditions	Yield
3-stage contact bed;	98%
no C content in pyrite;	96%
no C content in pyrite;	96%

: pyrite

: 80937-33-3
oxygen

: 7446-11-9
sulfur trioxide

Conditions

Conditions	Yield
With catalyst: Fe compd. High Pressure; higher yield with increasing pressure, 600-630°C at 100 at;	97%
With catalyst: Fe compd. High Pressure; higher yield with increasing pressure, 600-630°C at 100 at;	97%
Kinetics; 420°C;

: 80937-33-3
oxygen

: 7704-34-9
sulfur

: 7446-11-9
sulfur trioxide

Conditions

Conditions	Yield
With hydrogenchloride; copper dichloride In neat (no solvent) Kinetics; (450°C, 1.5 s);	95%
With hydrogenchloride SO3 stabilized as Lewis-addukt(HCl.SO3); O2: 30l/h, HCl: 8l/h; 60min;	40%
Kinetics; 420°C;

: silver sulfide

A: 7446-09-5
sulfur dioxide

B: 7446-11-9
sulfur trioxide

Conditions

Conditions	Yield
With oxygen In neat (no solvent) heating in a stream of O2 at 550 - 600°C (formation of SO2 from 82 % of S and of Ag2SO4), later at 980 - 1070°C (decomposition of Ag2SO4);;	A 95% B 5%
With O2 In neat (no solvent) heating in a stream of O2 at 550 - 600°C (formation of SO2 from 82 % of S and of Ag2SO4), later at 980 - 1070°C (decomposition of Ag2SO4);;	A 95% B 5%

: 25362-97-4
SbCl5*SO3

A: 7791-27-7
pyrosulfuryl chloride

B: 2SbCl4(1+)*SO4(2-)=(SbCl4)2SO4

C: 7647-18-9
antimonypentachloride

D: 7446-11-9
sulfur trioxide

Conditions

Conditions	Yield
70°C in vac.;	A n/a B n/a C n/a D 95%

...Expand

: Hg(2+)*2(O3SC6Cl5)(1-)*2H2O=Hg(O3SC6Cl5)2*2H2O

A: 608-93-5
pentachlorobenzene

B: 7446-11-9
sulfur trioxide

C: 1043-49-8
Bis-pentachlor-phenyl-quecksilber

Conditions

Conditions	Yield
130-220°C;	A <1 B 80% C 64%

...Expand

: Hg(O3S-p-HC6Cl4)2

A: 38180-52-8
(p-HC6Cl4)2Hg

B: 7446-11-9
sulfur trioxide

Conditions

Conditions	Yield
130-220°C;	A 78% B 80%

: iron(II) sulfate

A: iron(III) oxide

B: 7446-09-5
sulfur dioxide

C: 7446-11-9
sulfur trioxide

Conditions

Conditions	Yield
With pyrographite 700°C;	A n/a B 80% C n/a
With C 700°C;	A n/a B 80% C n/a
700°C;	A n/a B 50% C n/a

...Expand

: 126885-21-0
disulfur dioxide

A: 7446-09-5
sulfur dioxide

B: 7446-11-9
sulfur trioxide

C: 7704-34-9
sulfur

Conditions

Conditions	Yield
With oxygen In neat (no solvent) oxidn. of S2O2 with an excess of O2, min. ignition pressure at 32°C 54 Torr, at 150°C 2 Torr, mechanism discussed, sometimes react. with lightening, inhibition by SO2;;	A 10-25 B 15-30 C 80%

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: Hg(2+)*2OSO2C6F5(1-)*2H2O=Hg(OSO2C6F5)2*2H2O

A: 363-72-4
Pentafluorobenzene

B: 313-50-8
pentafluorobenzenesulfonic acid

C: 7446-11-9
sulfur trioxide

D: 973-17-1
bis(pentafluorophenyl)mercury(II)

Conditions

Conditions	Yield
130-220°C;	A 12% B 9% C 70% D 53%
130-240°C;
130-240°C;

...Expand

: Hg(O3S-p-HC6F4)2*2H2O

A: 2262-05-7
(p-HC6F4)2Hg

B: 327-54-8
1,2,4,5-Tetrafluorobenzene

C: 40707-55-9
2,3,5,6-tetrafluorobenzenesulfonic acid

D: 7446-11-9
sulfur trioxide

Conditions

Conditions	Yield
130-230°C;	A 17% B 17% C 17% D 60%

...Expand

: Hg(O3S-m-HC6Cl4)2*2H2O

A: 37963-59-0
(m-HC6Cl4)2Hg

B: 7446-11-9
sulfur trioxide

Conditions

Conditions	Yield
130-220°C;	A 44% B 60%

: 12395-41-4
bis(pentafluorosulfur) peroxide

: 7446-09-5
sulfur dioxide

A: 173009-97-7, 118492-84-5, 13709-54-1
thionyl tetrafluoride

B: 81439-35-2
pentafluorosulfur fluorosulfonate

C: 7446-11-9
sulfur trioxide

D: 7783-42-8
thionyl fluoride

E: 2551-62-4
sulfur(VI) hexafluoride

Conditions

Conditions	Yield
byproducts: SiF4, sulfur; other Radiation; photochemical reaction with 253.7 nm radiation, 48 h;	A n/a B 45% C n/a D n/a E n/a

...Expand

: 80937-33-3
oxygen

: 7704-34-9
sulfur

A: 7446-09-5
sulfur dioxide

B: 7446-11-9
sulfur trioxide

Conditions

Conditions	Yield
In gas mixt. of N2 and sulfur vapor; O2: 100l/h; 15min, tube system, products cooled;	A n/a B 41%
1000-1370°C, rapid cooling to minimize SO3 formation;
very low SO3 content;

...Expand

: Hg(O3S-o-HC6Cl4)2*2H2O

A: 634-66-2
1,2,3,4,-tetrachlorobenzene

B: 40707-33-3
o-HC6Cl4SO3H

C: 7446-11-9
sulfur trioxide

Conditions

Conditions	Yield
130-250°C;	A 15% B 10% C 40%

...Expand

: 7487-88-9
magnesium sulfate

A: 7446-11-9
sulfur trioxide

B: magnesium oxide

Conditions

Conditions	Yield
995 °C in N2; part of a Mg-S-I water splitting cycle;	A 30% B 30%
In neat (no solvent) heating at 950-1050 K (effusion orifices with A/a ratios of 10-30);
1120-1200°C; 29,1mol% in 15min; 90mol% in 2h;
900°C, in air stream;

: iron(II) sulfate

: 7446-11-9
sulfur trioxide

Conditions

Conditions	Yield
In neat (no solvent) evolution of SO3 by heating FeSO4 in a glass tube by little admission of air; beginning at 590 °C, only 3% after heating 2h at 625 to 635 °C;;	3%

: 75-15-0
carbon disulfide

oxygen: oxygen

A: 7446-11-9
sulfur trioxide

B: 15719-64-9, 15719-76-3, 97762-63-5
methylammonium carbonate

C sulfur dioxide: sulfur dioxide

D sulfur: sulfur

Conditions

Conditions	Yield
Bei der Explosion mit ueberschuessigem Sauerstoff;

...Expand

: 63549-29-1
disulfuric acid carbonylamide chloride

A: 1189-71-5
isocyanate de chlorosulfonyle

B: 7446-11-9
sulfur trioxide

Conditions

Conditions	Yield
at 160℃;

: 54060-35-4
2,3-disulfosuccinic acid

A: 7446-11-9
sulfur trioxide

B: 7732-18-5
water

C: 15719-64-9, 15719-76-3, 97762-63-5
methylammonium carbonate

...Expand

: 7647-01-0
hydrogenchloride

: N,N'-bis-sulfomethyl-hydrazine-N-sulfonic acid

A: 50-00-0
formaldehyd

B: 7664-93-9
sulfuric acid

C: 7446-11-9
sulfur trioxide

D: 302-01-2
hydrazine

...Expand

: 56639-44-2
[1,3,2]dioxathietane-2,2-dioxide

A: 7446-11-9
sulfur trioxide

B CO: CO

C SO2: SO2

Conditions

Conditions	Yield
at 155℃; beim Schmelzen;

...Expand

: 7791-27-7
pyrosulfuryl chloride

: 10034-85-2
hydrogen iodide

A: 7647-01-0
hydrogenchloride

B: 7446-09-5
sulfur dioxide

C: 7446-11-9
sulfur trioxide

D: 7553-56-2
iodine

Conditions

Conditions	Yield
In neat (no solvent) violent reaction of dry HI even at temp. of a cold mixture of ice and sodium chloride;;

...Expand

: 13036-75-4
fluorosulfonyl anhydride

A: 640723-20-2, 2699-79-8, 12769-73-2
fluorosulfonyl fluoride

B: 7446-11-9
sulfur trioxide

Conditions

Conditions	Yield
500°C;
500°C;

: 10545-99-0
sulfur dichloride

: 7446-11-9
sulfur trioxide

A: 7719-09-7
thionyl chloride

B: 7446-09-5
sulfur dioxide

Conditions

Conditions	Yield
In neat (no solvent) below -10°C or under pressure;;	A 100% B n/a

...Expand

: lithium sulfate

: 7446-11-9
sulfur trioxide

: lithium pyrosulfate

Conditions

Conditions	Yield
SO3 in excess, 10-15 min, closed vessel 300°C;	100%
In neat (no solvent) formation on heating Li2SO4 in a SO3-atmosphere to .300°C;;
In neat (no solvent) formation on heating Li2SO4 in a SO3-atmosphere to .300°C;;
In neat (no solvent) reaction of SO3-vapour with Li2SO4 at 450°C; TGA;

: 7446-11-9
sulfur trioxide

: 7757-82-6
sodium sulfate

: sodium pyrosulfate

Conditions

Conditions	Yield
SO3 in excess, 10-15 min, closed vessel 450°C;	100%
react. of Na2SO4 with SO3 at ambient temp.;; substance with Na2S2O7 and unchanged Na2SO4 obtained;;
In neat (no solvent) react. of Na2SO4 with an excess of SO3 above 150°C;;

: π-C5H5Zr(OSO3H)3*(CH3CO)2O

: 7446-11-9
sulfur trioxide

: π-HO3SC5H4Zr(OSO3H)3

Conditions

Conditions	Yield
In 1,2-dichloro-ethane dry CH2ClCH2Cl/3 h/5°C;;	100%
In 1,2-dichloro-ethane dry CH2ClCH2Cl/3 h/5°C;;	100%

: ammonium sulfate

: 7664-93-9
sulfuric acid

: 7446-11-9
sulfur trioxide

: 11113-50-1
boric acid

: 3H3N*3H(1+)*B(SO4)3(3-)

Conditions

Conditions	Yield
at 300℃; for 3h;	100%

...Expand

: 1633-05-2
strontium(II) carbonate

: 7664-93-9
sulfuric acid

: 7446-11-9
sulfur trioxide

: 11113-50-1
boric acid

: Sr(2+)*2{B(SO4)2}(1-)=Sr{B(SO4)2}2

Conditions

Conditions	Yield
at 180℃; for 24h;	100%

...Expand

: 7446-11-9
sulfur trioxide

A: 7446-09-5
sulfur dioxide

B: 80937-33-3
oxygen

Conditions

Conditions	Yield
995 °C in N2; part of a Mg-S-I water splitting cycle;	A 99% B 99%
copper(II) oxide In gas equil. react.;
platinum In gas equil. react.;

: ammonium hexachloroplumbate

: 7664-93-9
sulfuric acid

: 7446-11-9
sulfur trioxide

: Pb(2+)*S3O10(2-)=PbS3O10

Conditions

Conditions	Yield
In sulfuric acid aq. H2SO4; (NH42PbCl6 and oleum filled in glass tube; torch-sealed under vac.; heated up to 250°C; maintained for 24 h, slowly cooled (1.8 K/h); ppt. collected by decantation of mother liqour under inert condns.;	99%

...Expand

: 7446-11-9
sulfur trioxide

: 21259-75-6
mercury bis(trifluoromethanethiolate)

: Quecksilber(II)-bis

Conditions

Conditions	Yield
In liquid sulphur dioxide Ar; 20°C;; condensation of SO2; residue washed with FCCl3; elem. anal.;;	96%

: 7446-11-9
sulfur trioxide

: 873376-62-6
triethoxyantimony

: 80398-49-8
ethoxyantimony bis(ethyl sulfate)

Conditions

Conditions	Yield
In dichloromethane SO3 soln. was added to Sb compd. at -50°C (N2 or Ar); evapn., drying in vac.; elem. anal.;	96%

: 116-15-4
perfluoropropylene

: 7446-11-9
sulfur trioxide

: 773-15-9
1,2,2-trifluoro-2-hydroxy-1-trifluoromethylethanesulfonic acid sultone

Conditions

Conditions	Yield
150°C, 5 h;	94%
150°C, 5 h;	94%
60°C;	92%

: 127-63-9
diphenyl sulphone

: 7446-11-9
sulfur trioxide

: 98-11-3
benzenesulfonic acid

Conditions

Conditions	Yield
With sulfuric acid In water; benzene	93%
With phosphoric acid; sulfuric acid In water; benzene	87%

: 116-14-3
polytetrafluoroethylene

: 7446-11-9
sulfur trioxide

: 697-18-7
tetrafluoroethane-β-sultone

Conditions

Conditions	Yield
fresh distilled SO3, 2.7 atm, below 80°C, 1 h;	93%
fresh distilled SO3, 2.7 atm, below 80°C, 1 h;	93%
fresh distilled SO3, 2.7 atm, below 80°C, 1 h;	93%

: 7446-11-9
sulfur trioxide

: 873376-62-6
triethoxyantimony

: antimony tris(ethyl sulfate)

Conditions

Conditions	Yield
In dichloromethane SO3 soln. was added to Sb compd. at -50°C (N2 or Ar); elem. anal.;	93%

: 180070-46-6, 180070-53-5
((CH3)3Sn)C(C6H9)CH(Sn(CH3)3)

: 7446-11-9
sulfur trioxide

: 180071-29-8
(CH3)3SnSO3C(C6H9)CHSO3Sn(CH3)3

Conditions

Conditions	Yield
In dichloromethane absence of air and moisture; 2 equiv. SO2, stirring at -78°C for 4 h; evapn., distn.; elem. anal.;	93%

: 7446-11-9
sulfur trioxide

: silver fluoride

A: 33983-99-2
silver(I) fluorosulfate

B: silver sulfate

Conditions

Conditions	Yield
	A 91% B n/a

...Expand

: 685-63-2
hexafluoro-1,3-butadiene

: 7446-11-9
sulfur trioxide

: 106-99-0
buta-1,3-diene

: 69740-49-4
4-trifluorovinyltrifluoro-1,2-oxathietane 2,2-dioxide

Conditions

Conditions	Yield
In liquid sulphur dioxide dropping SO3 into a soln. of CF2=CFCF=CF2 in SO2 at -10°C followed by stripping SO2 and butadiene; distn.;	91%
In sulfur dioxide dropping SO3 into a soln. of CF2=CFCF=CF2 in SO2 at -10°C followed by stripping SO2 and butadiene; distn.;	91%

...Expand

: (5,7,12,14-tetramethyldibenzo[b,i][1,4,8,11]tetraazacyclotetradecinate(2-))V=O

: 7446-11-9
sulfur trioxide

: 174715-71-0
(5,7,12,14-tetramethyldibenzo[b,i][1,4,8,11]tetraazacyclotetradecinate(2-))V(O2SO2)

Conditions

Conditions	Yield
In dichloromethane Ar-atmosphere; slow addn. of SO3 to V-complex at 0°C, stirring atroom temp. for 2 h; ether addn., collection (filtration), washing (CH2Cl2, ether); elem. anal.;	91%

: 7664-93-9
sulfuric acid

: 14154-42-8, 62905-77-5
phthalocyaninealuminum chloride

: 7446-11-9
sulfur trioxide

: (disulfophthalocyanine)aluminum chloride

Conditions

Conditions	Yield
In sulfuric acid mixt. Al complex and oleum was stirred at room temp. for 16 h.; react. mixt. was cooled to ambient temp., poured onto ice, ppt. was filtered off, washed with 1% aq. HCl, water, dried in vac. at 90°C;	91%

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