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Safety Information

109207

Sigma-Aldrich

2-Methyl-2-propanethiol

99%

Synonym(s):

tert-Butyl mercaptan, TBM

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About This Item

Linear Formula:
(CH3)3CSH
CAS Number:
75-66-1
Molecular Weight:
90.19
Beilstein:
505947
EC Number:
200-890-2
MDL number:
MFCD00004857
UNSPSC Code:
12352100
PubChem Substance ID:
24846894
NACRES:
NA.22
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vapor density

3.1 (vs air)

Quality Level

100

vapor pressure

303.5 mmHg ( 37.7 °C)

Assay

99%

refractive index

n20/D 1.423 (lit.)

bp

62-65 °C (lit.)

mp

-0.5 °C (lit.)

solubility

H2O: slightly soluble
alcohol: very soluble
diethyl ether: very soluble

density

0.8 g/mL at 25 °C (lit.)

functional group

thiol

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Peroxidase from horseradish Type VI-A, essentially salt-free, lyophilized powder, ≥250 units/mg solid (using pyrogallol), 950-2000 units/mg solid (using ABTS)

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biological source

bovine

biological source

-

biological source

-

biological source

horseradish

technique(s)

flow cytometry: suitable

technique(s)

-

technique(s)

-

technique(s)

-

form

solution

form

liquid

form

essentially salt-free, lyophilized powder

form

essentially salt-free, lyophilized powder

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

Quality Level

200

Quality Level

200

Quality Level

300

Quality Level

300

General description

2-Methyl-2-propanethiol undergoes ring opening nucleophilic reaction with 3-isothiazolones and reaction kinetics studies suggested reaction was second order in thiol and third order overall[1].

Application

2-Methyl-2-propanethiol was used in reaction of 2-methyl-2-propanethiol on Mo(110) using temperature programmed reaction, high resolution electron enegy loss and X-ray photoelectron spectroscopies[2]. It was used in the synthesis of chain-transfer agents for reversible addition-fragmentation chain-transfer copolymerization of vinylidene chloride and methyl acrylate[3].

Signal Word

Danger

Hazard Statements

H225,H317,H411

Hazard Classifications

Aquatic Chronic 2 - Flam. Liq. 2 - Skin Sens. 1B

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

<-13.0 °F - closed cup

Flash Point(C)

< -25 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品
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    Certificates of Analysis (COA)

    Lot/Batch Number
    SHBN4590
    13396CM
    05418DJ
    08216AJ
    06330CD

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    Arjan van Laarhoven et al.
    The Journal of infectious diseases, 215(7), 1029-1039 (2017-04-19)
    Damaging inflammation is thought to contribute to the high morbidity and mortality of tuberculous meningitis (TBM), but the link between inflammation and outcome remains unclear. We performed prospective clinical and routine laboratory analyses of a cohort of adult patients with
    Christian Ledig et al.
    Scientific reports, 8(1), 11258-11258 (2018-07-28)
    Magnetic resonance (MR) imaging is a powerful technique for non-invasive in-vivo imaging of the human brain. We employed a recently validated method for robust cross-sectional and longitudinal segmentation of MR brain images from the Alzheimer's Disease Neuroimaging Initiative (ADNI) cohort.
    Qunxi Dong et al.
    NeuroImage. Clinical, 22, 101744-101744 (2019-03-11)
    Apolipoprotein E (APOE) e4 is the major genetic risk factor for late-onset Alzheimer's disease (AD). The dose-dependent impact of this allele on hippocampal volumes has been documented, but its influence on general hippocampal morphology in cognitively unimpaired individuals is still
    Probing the kinetics for thiol desulfurization: the reactions of 2-methyl-2-propanethiol on molybdenum (110).
    Wiegand BC, et al.
    The Journal of Physical Chemistry, 96(11), 4527-4533 (1992)
    Xuejiao Hu et al.
    EBioMedicine, 40, 564-573 (2019-02-13)
    Background Tuberculosis (TB) is difficult to diagnose under complex clinical conditions as electronic health records (EHRs) are often inadequate in making an affirmative diagnosis. As exosomal miRNAs emerged as promising biomarkers, we investigated the potential of using exosomal miRNAs and
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