t-Boc-N-amido-PEG2-bromide

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Category	Small-molecule Group Protected PEG
Catalog NO.	BPG-1939
Product Name	t-Boc-N-amido-PEG2-bromide
CAS	165963-71-3
Molecular Formula	C11H22BrNO4
Molecular Weight	312.20

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Description	t-Boc-N-amido-PEG2-bromide is a PEG linker containing a bromide group and a Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The Boc group can be deprotected under mild acidic conditions to form the free amine.
Synonyms	Br-PEG2-NHBoc; Boc-NH-PEG2-Br; BocNH-PEG2-CH2CH2Br; N-Boc-PEG2-bromide; tert-Butyl (2-(2-(2-bromoethoxy)ethoxy)ethyl)carbamate; 2-[2-(2-t-Boc-aminoethoxy]ethoxy]ethyl Bromide; N-[2-[2-(2-Bromoethoxy)ethoxy]ethyl]carbamic Acid 1,1-Dimethylethyl Ester; 2-[2-[2-(tert-Butoxycarbonylamino)ethoxy]ethoxy]ethyl Bromide; Carbamic acid, N-[2-[2-(2-bromoethoxy)ethoxy]ethyl]-, 1,1-dimethylethyl ester; N-Boc-2-[2-(2-bromoethoxy)ethoxy]ethanamine; 2-Methyl-2-propanyl {2-[2-(2-bromoethoxy)ethoxy]ethyl}carbamate
IUPAC Name	tert-butyl N-[2-[2-(2-bromoethoxy)ethoxy]ethyl]carbamate
Canonical SMILES	CC(C)(C)OC(=O)NCCOCCOCCBr
InChI	InChI=1S/C11H22BrNO4/c1-11(2,3)17-10(14)13-5-7-16-9-8-15-6-4-12/h4-9H2,1-3H3,(H,13,14)
InChIKey	WGWDCMKAMHBDPO-UHFFFAOYSA-N
Boiling Point	382.8±27.0°C (Predicted)
Flash Point	185.3±23.7 °C
Purity	≥95%
Density	1.257±0.06 g/cm3 (Predicted)
Solubility	Soluble in Chloroform (Sparingly), Ethyl Acetate (Slightly), Methanol (Slightly)
Appearance	Pale Yellow Oily Matter
Application	A cross-linking reagent.
Shelf Life	-20°C 3 years powder; -80°C 2 years in solvent
Storage	Store at -20°C under inert atmosphere
Vapor Pressure	0.0±0.9 mmHg at 25°C
LogP	1.75
Pictogram(s)	Irritant
Signal	Warning
Precautionary Statement Codes	P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

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