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Merck

109207

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
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24846894
EC Number:
200-890-2
Beilstein/REAXYS Number:
505947
MDL number:
MFCD00004857
Assay:
99%

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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

SMILES string

CC(C)(C)S

InChI

1S/C4H10S/c1-4(2,3)5/h5H,1-3H3

InChI key

WMXCDAVJEZZYLT-UHFFFAOYSA-N

Related Categories

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.

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. It was used in the synthesis of chain-transfer agents for reversible addition-fragmentation chain-transfer copolymerization of vinylidene chloride and methyl acrylate.

signalword

Danger

Hazard Classifications

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

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

<-13.0 °F - closed cup

flash_point_c

< -25 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Class I Designated Chemical Substances

prtr

Group 4: Flammable liquids + Type 1 petroleums + Hazardous rank II + Water insoluble liquid

fsl

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

109207-1L: + 109207-5L: + 109207-2.5L: + 109207-100ML: + 109207-2L: + 109207-500ML: + 109207-VAR: + 109207-BULK: + 109207-25ML:

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Certificates of Analysis (COA)

Lot/Batch Number
05418DJ
08216AJ
06330CD
05103EN
04731JZ

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