5-Bromothiazole
- CAS NO.：3034-55-7
- Empirical Formula: C3H2BrNS
- Molecular Weight: 164.02
- MDL number: MFCD07787394
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-07-18 18:48:51
What is 5-Bromothiazole?
The Uses of 5-Bromothiazole
5-Bromothiazole is used as a pharmaceutical intermediate and performance material.
General Description
5-Bromothiazole is a monobromothiazole, which can be prepared via treatment of 2,5-dibromothiazole with sodium ethoxide followed by hydrogenation over spongy nickel.
Purification Methods
If bromothiazole is too coloured, then suspend it in dilute NaOH and steam distil it. Add NaCl to the aqueous distillate, extract it with Et2O, dry it (Na2SO4), evaporate and fractionate the residue in a vacuum. The HgCl2 salt crystallises from EtOH with m 148o (dec). [Beyerman et al. Recl Trav Chim, Pays Bas 73 330 1954, Beilstein 27 III/IV 962.]
Properties of 5-Bromothiazole
| Melting point: | 131-132 °C(Solv: ligroine (8032-32-4)) |
| Boiling point: | 80-81°C/18mm |
| Density | 1.835 at 25 °C |
| refractive index | 1.5955 |
| Flash point: | 170°F |
| form | Liquid |
| pka | 1.00±0.10(Predicted) |
| color | Clear yellow to brown |
| Water Solubility | Soluble in water. |
| Sensitive | Moisture Sensitive |
| CAS DataBase Reference | 3034-55-7(CAS DataBase Reference) |
Safety information for 5-Bromothiazole
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H317:Sensitisation, Skin H318:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 5-Bromothiazole
Abamectin manufacturer
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product: 3034-55-7 5-Bromothiazole 98%
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