89700
甲苯-3,4-二硫酚
for spectrophotometric det. of Mo, Sn, W, and also Ag and Re, ≥97.0%
别名:
3,4-二巯基甲苯, 3,4-甲苯二硫醇, 4-甲基邻二苯硫酚
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线性分子式:
CH3C6H3(SH)2
化学文摘社编号:
分子量:
156.27
UNSPSC Code:
23151817
NACRES:
NA.21
PubChem Substance ID:
EC Number:
207-828-3
Beilstein/REAXYS Number:
1635270
MDL number:
产品名称
甲苯-3,4-二硫酚, for spectrophotometric det. of Mo, Sn, W, and also Ag and Re, ≥97.0%
InChI key
NIAAGQAEVGMHPM-UHFFFAOYSA-N
InChI
1S/C7H8S2/c1-5-2-3-6(8)7(9)4-5/h2-4,8-9H,1H3
SMILES string
Cc1ccc(S)c(S)c1
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
Quality Level
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Other Notes
用于 Mo、Sn、W 以及 Ag 和 Re 分光光度测定的试剂
Application
Toluene-3,4-dithiol may be suitable as colorimetric reagent for the determination of technetium using spectrophotometry.
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.
存储类别
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
法规信息
新产品
此项目有
Kuang Lu Cheng, Keihei Ueno, Toshiaki Imamur
CRC Handbook of Organic Analytical Reagents, 474-474 (1992)
K.L. Cheng et al. et al.
Handbook of Organic Analytical Reagents null
W John Williams
Handbook of Anion Determination, 113-113 (2013)
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
Spectrophotometric Determination of Technetium with Toluene-3, 4-dithiol.
Miller, FRANCIS J., and PAUL F. Thomason.
Analytical Chemistry, 33, 404-406 (1961)
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