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MilliporeSigma

89700

Supelco

Toluene-3,4-dithiol

for spectrophotometric det. of Mo, Sn, W, and also Ag and Re, ≥97.0%

Sinónimos:

3,4-Dimercaptotoluene, 4-Methyl-1,2-benzenedithiol, ‘Dithiol’

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About This Item

Fórmula lineal:
CH3C6H3(SH)2
Número de CAS:
Peso molecular:
156.27
Beilstein/REAXYS Number:
1635270
EC Number:
MDL number:
UNSPSC Code:
12000000
PubChem Substance ID:
NACRES:
NA.21

Quality Level

assay

≥97.0% (GC)
≥97.0%

form

powder

quality

for spectrophotometric det. of Mo, Sn, W, and also Ag and Re

technique(s)

UV/Vis spectroscopy: suitable

bp

135-137 °C/17 mmHg (lit.)

mp

28-32 °C
30-33 °C (lit.)

density

1.179 g/mL at 25 °C (lit.)

storage temp.

−20°C

SMILES string

Cc1ccc(S)c(S)c1

InChI

1S/C7H8S2/c1-5-2-3-6(8)7(9)4-5/h2-4,8-9H,1H3

InChI key

NIAAGQAEVGMHPM-UHFFFAOYSA-N

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General description

Toluene-3,4-dithiol with molybdenum(VI) in mineral acid forms dark-green coloured complex. It is purified by vacuum distillation under nitrogen.

Application

Toluene-3,4-dithiol may be suitable as colorimetric reagent for the determination of technetium using spectrophotometry.

Other Notes

Reagent for the spectrophotometric determination of Mo, Sn, W, and also Ag and Re

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves


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Visite la Librería de documentos

K.L. Cheng et al. et al.
Handbook of Organic Analytical Reagents null
Kuang Lu Cheng, Keihei Ueno, Toshiaki Imamur
CRC Handbook of Organic Analytical Reagents, 474-474 (1992)
W John Williams
Handbook of Anion Determination, 113-113 (2013)
Spectrophotometric Determination of Technetium with Toluene-3, 4-dithiol.
Miller, FRANCIS J., and PAUL F. Thomason.
Analytical Chemistry, 33, 404-406 (1961)
E P Welsch
Talanta, 30(11), 876-878 (1983-11-01)
1-g sample is decomposed with nitric and hydrofluoric acids, and after evaporation of the solution to dryness the residue is dissolved in concentrated hydrochloric acid. A clear aliquot is treated with stannous chloride to inhibit interferences. The blue tungsten dithiol

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