| Identification | More | [Name]
Ethyl bromopyruvate | [CAS]
70-23-5 | [Synonyms]
BROMOPYRUVIC ACID ETHYL ESTER
ETHYL 3-BROMO-2-OXOPROPANOATE
ETHYL 3-BROMOPYRUVATE
ETHYL BROMOPYRUVATE
3-bromo-2-oxo-propanoicaciethylester
beta-Bromopyruvic acid ethyl ester
Pyruvic acid, bromo-, ethyl ester
Ethylbromopyruvate (Tech)
Propanoic acid, 3-bromo-2-oxo-, ethyl ester
ETHYL3-BROMO-2-OXOPROPANOATE(ETHYLBROMOPYRUVATE)
Ethyl 3-bromopyruvate, tech. 90%
Ethyl 3-bromo-2-oxopropanoat
2-Oxo-3-bromopropanoic acid ethyl ester
3-Bromo-2-oxopropanoic acid ethyl ester
3-Bromo-2-oxopropionic acid ethyl ester
Bromopyruvic acid ethyl | [EINECS(EC#)]
200-729-6 | [Molecular Formula]
C5H7BrO3 | [MDL Number]
MFCD00000204 | [Molecular Weight]
195.01 | [MOL File]
70-23-5.mol |
| Safety Data | Back Directory | [Symbol(GHS) ]
GHS07 | [Signal word ]
Warning | [Hazard statements ]
H315-H319-H335 | [Precautionary statements ]
P261-P264-P271-P280-P302+P352-P305+P351+P338 | [Hazard Codes ]
Xi,T | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin .
R33:Danger of cumulative effects.
R23/24:Toxic by inhalation and in contact with skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S24/25:Avoid contact with skin and eyes . | [RIDADR ]
3265 | [WGK Germany ]
3
| [F ]
8-9-21 | [Hazard Note ]
Irritant | [TSCA ]
Yes | [HazardClass ]
8 | [PackingGroup ]
II | [HS Code ]
29183000 | [Storage Class]
10 - Combustible liquids | [Hazard Classifications]
Eye Irrit. 2
Skin Irrit. 2
STOT SE 3 |
| Raw materials And Preparation Products | Back Directory | [Raw materials]
Ethyl lactate-->Ethyl pyruvate-->Carbon dioxide-->Water | [Preparation Products]
2-(3-Pyridyl)-1,3-thiazole-4-carboxylic acid-->4-Hydroxyindole-->4-(Morpholin-4-ylmethyl)-1,3-thiazol-2-amine-->tert-Butyl 4-(4-formyl-1,3-thiazol-2-yl)tetrahydro-1(2H)-pyridinecarboxylate-->4-Thiazolemethanamine, 2-amino-N,N-dimethyl--->2-Phenyl-1,3-thiazole-4-carbaldehyde-->2-Phenyl-1,3-thiazole-4-carbonyl chloride-->Imidazo[1,2-a]pyridine-2-carboxylic acid-->4-(chloromethyl)-2-thiazolamine--> Ethyl 2-methylthiazole-4-carboxylate-->2-Methyl-1,3-thiazole-4-carboxylic acid-->2-Phenyl-1,3-thiazole-4-carbohydrazide-->(2-Phenyl-1,3-thiazol-4-yl)methanol-->Ethyl 2-bromothiazole-4-carboxylate-->2-[4-(Trifluoromethyl)phenyl]-1,3-thiazole-4-carbaldehyde-->RARECHEM AL BI 1318-->4-Oxo-4,5,6,7-tetrahydrobenzo[b]furan-3-carboxylic acid-->Ethyl 2-chlorooxazole-4-carboxylate-->1,5,6,7-Tetrahydro-4H-indol-4-one-->4-Thiazolecarboxylic acid, 2-hydrazino-, ethyl ester |
| Hazard Information | Back Directory | [Hazard]
Severe poison, lachrymator, irritant. | [Chemical Properties]
Clear yellow to pink-red liquid | [Uses]
Employed in a synthesis of thioxothiazolidines from primary amines and carbon disulfide.1 | [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. | [References]
[1] Justus Liebigs Annalen der Chemie, 1949, vol. 564, p. 35
[2] Journal of the Chemical Society, 1947, p. 670
[3] Journal of the American Chemical Society, 1944, vol. 66, p. 1658
[4] Journal of the Chemical Society, 1947, p. 1372,1374
[5] Recueil des Travaux Chimiques des Pays-Bas, 1941, vol. 60, p. 495,500 |
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