Misplaced Pages

Thorin (chemistry)

Article snapshot taken from Wikipedia with creative commons attribution-sharealike license. Give it a read and then ask your questions in the chat. We can research this topic together.
Thorin
Structural formula of ((4E)-4-hydrazin-1-ylidene)-thorin
Names
Preferred IUPAC name Disodium 3-hydroxy-4-naphthalene-2,7-disulfonate
Systematic IUPAC name Disodium 4--3-oxo-3,4-dihydronaphthalene-2,7-disulfonate
Other names Disodium 4--3-oxonaphthalene-2,7-disulfonate

2-(3,6-Disulfo-2-hydroxy-1-naphthylazo)benzenearsonic acid disodium salt
Thoron

Thoronol
Identifiers
CAS Number
3D model (JSmol)
Beilstein Reference 2957648
ChemSpider
ECHA InfoCard 100.020.903 Edit this at Wikidata
EC Number
  • 222-993-1
PubChem CID
UNII
UN number 1557
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C16H13AsN2O10S2.2Na/c20-16-14(31(27,28)29)8-9-7-10(30(24,25)26)5-6-11(9)15(16)19-18-13-4-2-1-3-12(13)17(21,22)23;;/h1-8,18H,(H2,21,22,23)(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2Key: ZQMPNLOZJUWHSA-UHFFFAOYSA-L
  • Key: DCSRPHQBFSYJNN-GJLVVKPQBS
  • InChI=1/C16H13AsN2O10S2.2Na/c20-16-14(31(27,28)29)8-9-7-10(30(24,25)26)5-6-11(9)15(16)19-18-13-4-2-1-3-12(13)17(21,22)23;;/h1-8,20H,(H2,21,22,23)(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2/b19-18+;;
SMILES
  • ..O(O)(=O)c3ccccc3/N=N/c1c2ccc(cc2cc(c1O)S()(=O)=O)S()(=O)=O
  • ..O(O)(=O)C1=CC=CC=C1NN=C1C(=O)C(=CC2=C1C=CC(=C2)S()(=O)=O)S()(=O)=O
Properties
Chemical formula C16H11AsN2O10S2
Molar mass 530.31 g·mol
Appearance Orange-yellow crystals
Melting point 300 °C (572 °F; 573 K)
Hazards
GHS labelling:
Pictograms GHS06: ToxicGHS09: Environmental hazard
Signal word Danger
Hazard statements H301, H331, H410
Precautionary statements P261, P264, P270, P271, P273, P301+P310, P304+P340, P311, P321, P330, P391, P403+P233, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
3 0 0
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). ☒N verify (what is  ?) Infobox references
Chemical compound

Thorin (also called thoron or thoronol) is an indicator used in the determination of barium, beryllium, lithium, uranium and thorium compounds. Being a compound of arsenic, it is highly toxic.

References

  1. Haartz, J. C.; Eller, Peter M.; Hornung, Richard W. (1 November 1979). "Critical parameters in the barium perchlorate/Thorin titration of sulfate". Analytical Chemistry. 51 (13): 2293–2295. doi:10.1021/ac50049a056.

External links

Stub icon

This article about an aromatic compound is a stub. You can help Misplaced Pages by expanding it.

Categories: