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Ethyl bromopyruvate

Basic information Safety Supplier Related

Ethyl bromopyruvate Basic information

Product Name:
Ethyl bromopyruvate
Synonyms:
  • ETHYL 3-BROMOPYRUVATE
  • ETHYL 3-BROMO-2-OXOPROPANOATE
  • ETHYL BROMOPYRUVATE
  • BROMOPYRUVIC ACID ETHYL ESTER
  • 3-bromo-2-oxo-propanoicaciethylester
  • beta-Bromopyruvic acid ethyl ester
  • Pyruvic acid, bromo-, ethyl ester
  • Ethylbromopyruvate (Tech)
CAS:
70-23-5
MF:
C5H7BrO3
MW:
195.01
EINECS:
200-729-6
Product Categories:
  • Building Blocks
  • C2 to C5
  • C2 to C5
  • Carbonyl Compounds
  • Chemical Synthesis
  • Organic Building Blocks
  • Aromatic Esters
  • Aliphatics
  • Esters
  • Carbonyl Compounds
Mol File:
70-23-5.mol
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Ethyl bromopyruvate Chemical Properties

Boiling point:
98-100 °C10 mm Hg(lit.)
Density 
1.554 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.469(lit.)
Flash point:
210 °F
storage temp. 
2-8°C
solubility 
Difficult to mix.
form 
Liquid
color 
Clear yellow to pink-red
Sensitive 
Moisture Sensitive
BRN 
1760158
InChIKey
VICYTAYPKBLQFB-UHFFFAOYSA-N
LogP
0.861 (est)
CAS DataBase Reference
70-23-5(CAS DataBase Reference)
NIST Chemistry Reference
Propanoic acid, 3-bromo-2-oxo-, ethyl ester(70-23-5)
EPA Substance Registry System
Propanoic acid, 3-bromo-2-oxo-, ethyl ester (70-23-5)
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Safety Information

Hazard Codes 
Xi,T
Risk Statements 
36/37/38-33-23/24
Safety Statements 
26-36-24/25
RIDADR 
3265
WGK Germany 
3
8-9-21
Hazard Note 
Irritant
TSCA 
Yes
HazardClass 
8
PackingGroup 
II
HS Code 
29183000

MSDS

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Ethyl bromopyruvate Usage And Synthesis

Chemical Properties

Clear yellow to pink-red liquid

Uses

Employed in a synthesis of thioxothiazolidines from primary amines and carbon disulfide.1

Uses

Ethyl 3-bromopyruvate is employed in a synthesis of thioxothiazolidines from primary amines and carbon disulfide.

Hazard

Severe poison, lachrymator, irritant.

Purification Methods

The most likely impurity is free acid (bromopyruvic or bromoacetic acids). Dissolve the ester in dry Et2O or dry CHCl3, stir with CaCO3 until effervescence ceases, filter, (may wash with a little H2O rapidly), dry (MgSO4) and distil it at least twice. The 2,4-dinitrophenylhydrazone has m 144-145o. [Burros & Holland J Chem Soc 672 1947, Letsinger & Laco J Org Chem 21 764 1956, Kruse et al. J Am Chem Soc 76 5796 1954, Beilstein 3 IV 1519.] LACHRYMATORY.

Ethyl bromopyruvateSupplier

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