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Sigma-Aldrich

5-Methylthiazole

97%

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About This Item

Empirical Formula (Hill Notation):
C4H5NS
CAS Number:
3581-89-3
Molecular Weight:
99.15
Beilstein:
104674
MDL number:
MFCD00005335
UNSPSC Code:
12352100
PubChem Substance ID:
24858270
NACRES:
NA.22

Assay

97%

form

liquid

refractive index

n20/D 1.528 (lit.)

bp

141-142 °C/745 mmHg (lit.)

density

1.12 g/mL at 25 °C (lit.)

SMILES string

Cc1cncs1

InChI

1S/C4H5NS/c1-4-2-5-3-6-4/h2-3H,1H3

InChI key

RLYUNPNLXMSXAX-UHFFFAOYSA-N

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General description

The microwave spectrum of 5-methylthiazole was investigated by employing both Fourier transform and Stark spectroscopy. 5-methyl thiazole undergoes alkylation with n-butyl bromide followed by anion exchange of Br- for BF4- to give mobile, room-temperature ionic liquids.

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Warning

Hazard Statements

H226,H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

107.6 °F - closed cup

Flash Point(C)

42 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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The microwave spectrum of 5-methylthiazole: methyl internal rotation,< sup> 14</sup> N nuclear quadrupole coupling and electric dipole moment.
Jager W and M Hader.
Journal of Molecular Structure, 190, 295-305 (1998)
Thiazolium-ion based organic ionic liquids (OILs).< sup> 1, 2</sup> Novel OILs which promote the benzoin condensation.
Davis J, et al.
Tetrahedron Letters, 40(9), 1621-1622 (1999)
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