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89700

Toluene-3,4-dithiol

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

Synonym(s):

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

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About This Item

Linear Formula:
CH3C6H3(SH)2
CAS Number:
496-74-2
Molecular Weight:
156.27
UNSPSC Code:
23151817
NACRES:
NA.21
PubChem Substance ID:
329769527
EC Number:
207-828-3
Beilstein/REAXYS Number:
1635270
MDL number:
MFCD00004844
Assay:
≥97.0% (GC), ≥97.0%
Form:
solid
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Quality Level

100

assay

≥97.0% (GC), ≥97.0%

form

solid

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

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

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
BCCG8046
BCBR3196V
BCBQ0676V

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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)
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
W John Williams
Handbook of Anion Determination, 113-113 (2013)
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Global Trade Item Number

SKUGTIN
89700-1G04061833076491
89700-5G04061832921174

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