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302740

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

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.

FSL

Group 4: Flammable liquids
Type 2 petroleums
Hazardous rank III
Water insoluble liquid

JAN Code

302740-1G:
302740-5G:
302740-VAR:
302740-BULK:

Certificates of Analysis (COA)

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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)
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)
M Currò et al.
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