2-Sulfobenzoic anhydride

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Names

[ CAS No. ]:
81-08-3

[ Name ]:
2-Sulfobenzoic anhydride

[Synonym ]:
2-Sulfobenzoic anhydride
3H-2,1-Benzoxathiol-3-one, 1,1-dioxide (9CI)
MFCD00005879
1,1-dioxo-2,1λ<sup>6</sup>-benzoxathiol-3-one
3H-2,1-Benzoxathiol-3-one, 1,1-dioxide
EINECS 201-322-6
3H-2,1-Benzoxathiol-3-one 1,1-dioxide

Chemical & Physical Properties

[ Density]:
1.6±0.1 g/cm3

[ Boiling Point ]:
314.7±0.0 °C at 760 mmHg

[ Melting Point ]:
116-124 °C

[ Molecular Formula ]:
C7H4O4S

[ Molecular Weight ]:
184.169

[ Flash Point ]:
140.6±19.3 °C

[ Exact Mass ]:
183.983032

[ PSA ]:
68.82000

[ LogP ]:
0.79

[ Vapour Pressure ]:
0.0±0.6 mmHg at 25°C

[ Index of Refraction ]:
1.629

MSDS

Click to get detail MSDS

Safety Information

[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ Hazard Codes ]:
C:Corrosive;

[ Risk Phrases ]:
R20/21/22;R34

[ Safety Phrases ]:
S22-S24/25-S45-S36/37/39-S26

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ HS Code ]:
29163900

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Benzoic acid, 2-sulfo-,ammonium salt (1:1)
  • 2-Sulfobenzoic acid
  • Saccharin
  • Sodium Saccharin
  • o-chlorocarbonyl benzenesulfonyl-chloride
  • 2-ethoxysulfonyl-benzoic acid ethyl ester
  • benzene

DownStream

  • pyrogallol red
  • methyl 2-chlorosulfonylbenzoate
  • Bromophenol Red
  • Bromocresol Green
  • 2-(4-hydroxy-5-isopropyl-2-methyl-benzoyl)-benzenesulfonic acid
  • Thymol blue
  • Chlorophenol Red
  • Phenol red
  • 3-cresol purple
  • Xylenol Blue

Customs

[ HS Code ]: 29163900

Articles

Modification of epsilon-amino group of lysine in proteins by acylation with pyromellitic dianhydride and o-sulphobenzoic anhydride.

FEBS Lett. 120 , 275, (1980)

De novo sequencing of two new cyclic theta-defensins from baboon (Papio hamadryas) leukocytes by matrix-assisted laser desorption/ionization mass spectrometry.

Rapid Commun. Mass Spectrom. 24(5) , 599-604, (2010)

Two cyclic theta-defensin peptides were isolated from leukocytes of the hamadryas baboon, Papio hamadryas, and purified to homogeneity by gel electrophoresis and reversed-phase high-performance liquid...

Derivatization of fatty alcohol ethoxylate non-ionic surfactants using 2-sulfobenzoic anhydride for characterization by liquid chromatography/mass spectrometry.

Rapid Commun. Mass Spectrom. 24(1) , 120-8, (2010)

A derivatization procedure has been developed for the improved characterization of fatty alcohol ethoxylate non-ionic surfactants by liquid chromatography/mass spectrometry. The end hydroxyl group of ...


More Articles

Related Compounds

  • 2-sulfobenzoic anhydride
  • 2-sulfobenzoic anhydride
  • Tetraiodo-2-sulfobenzoic Anhydride
  • Tetrabromo-2-sulfobenzoic anhydride
  • Tetrabromo-2-Sulfobenzoic Anhydride
  • 2-sulfobenzoic acid, dipotassium salt
  • 2-(2,4-Difluorophenyl)-1-(5-methylpyrimidin-2-yl)ethan-1-aminehydrochloride
  • [(Cyclohex-1-en-1-yl)methyl]({[2-(2-fluorophenyl)-1,3-thiazol-5-yl]methyl})amine hydrochloride
  • 3-{[(3-Fluoro-4-hydroxyphenyl)methyl]amino}-1lambda6-thietane-1,1-dione
  • 5-Amino-3-bromo-1-(2-hydroxy-2-methylpropyl)-4-methyl-1,2-dihydropyridin-2-one
  • 8-{[(9H-fluoren-9-yl)methoxy]carbonyl}-8-azaspiro[4.5]decane-1-carboxylic acid
  • 1-(3-Aminothiolan-3-yl)-4-tert-butylcyclohexan-1-ol
  • rac-(3R,4S)-4-(2-methylpyridin-3-yl)pyrrolidin-3-ol
  • 4,5-Dichloro-2,4'-difluoro-1,1'-biphenyl
  • 4',5'-Dichloro-2'-fluoro-[1,1'-biphenyl]-4-carbaldehyde
  • Tert-butyl 3-[amino(pyrimidin-5-yl)methyl]-3-hydroxyazetidine-1-carboxylate
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