Product

(R)-(+)-2-BROMOPROPIONIC ACID

CAS No.：10009-70-8

Other grades of this product :

(R)-(+)-2-BROMOPROPIONIC ACID Basic information

Product Name:	(R)-(+)-2-BROMOPROPIONIC ACID
Synonyms:	PROPANOIC ACID, 2-BROMO-, (2R)-;(R)-(+)-2-BROMOPROPIONIC ACID;2-R-(+) bromopropionic acid;(R)-(+)-2-Bromopropionic acid, GC 98%;(R)-(+)-2-BROMOPROPIONIC ACID 98+%;(R)-(+)-2-Bromopropionic acid, >85% ee, 99%;(R)-(+)-2-Bromopropionic acid, 99%, ee:>85%;(R)-2-Bromopropanoic acid
CAS:	10009-70-8
MF:	C3H5BrO2
MW:	152.97
EINECS:
Product Categories:	Organic Building Blocks;Carboxylic Acids (Chiral);Chiral Building Blocks;Synthetic Organic Chemistry;Carboxylic Acids;Chiral Building Blocks
Mol File:	10009-70-8.mol

(R)-(+)-2-BROMOPROPIONIC ACID Chemical Properties

Melting point	25°C
Boiling point	203 °C
density	1.692 g/mL at 20 °C (lit.)
refractive index	n20/D 1.475
Fp	100 °C
storage temp.	2-8°C
pka	3.00±0.10(Predicted)
form	clear liquid
color	Colorless to Brown
optical activity	[α]20/D +26±2°, neat
BRN	1720262

Safety Information

Hazard Codes	C
Risk Statements	22-34
Safety Statements	26-36/37/39-45
RIDADR	UN 3265 8/PG 3
WGK Germany	3
F	10
HazardClass	8
PackingGroup	III
HS Code	29159000

MSDS Information

Provider	Language
SigmaAldrich	English
ACROS	English

(R)-(+)-2-BROMOPROPIONIC ACID Usage And Synthesis

Chemical Properties	clear colorless to light brown liquid
Purification Methods	Dissolve it in Et2O, dry (CaCl2), evaporate and distil it through a short column. Distillation through a Podbielniak column (p 11) (see S-(-)-2-chloropropionic acid below) led to decomposition. Store it in the dark under N2, preferably in sealed ampoules. Even at -10o it slowly decomposes. [Fuet et al. J Am Chem Soc 76 6054 1954, Beilstein 2 IV 761.]

(R)-(+)-2-BROMOPROPIONIC ACID Preparation Products And Raw materials

Raw materials	[R,(+)]-2-Bromopropanoic acid methyl ester-->(S)-2-((Methylsulfonyl)oxy)propanoic acid-->L-Alanine-->Cinchonine-->2-Bromopropionic acid-->D-Alanine
Preparation Products	(S)-(-)-2-BROMOPROPIONIC ACID

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