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16940

1-Bromo-2,2-dimethylpropane

Name: 1-Bromo-2,2-dimethylpropane
Brand: SIAL

purum, ≥98.0% (GC)

Sinonimo/i:

Neopentyl bromide

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About This Item

Formula condensata:

(CH₃)₃CCH₂Br

Numero CAS:

630-17-1

Peso molecolare:

151.04

Beilstein:

1730989

Numero CE:

211-132-5

Numero MDL:

MFCD00000209

Codice UNSPSC:

12352100

ID PubChem:

24850267

Grado

purum

Saggio

≥98.0% (GC)

Indice di rifrazione

n20/D 1.436 (lit.)
n20/D 1.436

P. eboll.

105-106 °C/767 mmHg (lit.)

Densità

1.199 g/mL at 25 °C (lit.)

Stringa SMILE

CC(C)(C)CBr

InChI

1S/C5H11Br/c1-5(2,3)4-6/h4H2,1-3H3
CQWYAXCOVZKLHY-UHFFFAOYSA-N

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Applicazioni

1-Bromo-2,2-dimethylpropane was used in the synthesis of S-alkylated cysteine derivatives with branched alkyl chains. It was used in synthesis of secondary amines from alkyl tosylates or alkyl halides via nucleophilic substitution reaction.

Pittogrammi

GHS02,GHS07

Avvertenze

Danger

Indicazioni di pericolo

H225,H315,H319,H335

Consigli di prudenza

P210 - P261 - P305 + P351 + P338

Classi di pericolo

Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

44.6 °F - closed cup

Punto d’infiammabilità (°C)

7 °C - closed cup

Dispositivi di protezione individuale

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Isomerization of neopentyl chloride and neopentyl bromide by a 1,2-interchange of a halogen atom and a methyl group.

Carmen E Lisowski et al.

The journal of physical chemistry. A, 114(38), 10395-10402 (2010-09-03)

The recombination of chloromethyl and t-butyl radicals at room temperature was used to generate neopentyl chloride molecules with 89 kcal mol(-1) of internal energy. The observed unimolecular reactions, which give 2-methyl-2-butene and 2-methyl-1-butene plus HCl, as products, are explained by

Lack of mutagenicity to S. typhimurium of neopentyl bromide and pentaerythrityl tetrachloride: relation to chemical structure.

J Ashby et al.

Mutation research, 140(2-3), 71-74 (1984-06-01)

Neopentyl bromide and pentaerythrityl tetrachloride were shown here to be non-mutagenic to 7 strains of Salmonella typhimurium. These inactivities are reflected in the inability of either compound to produce a colour reaction in the chemical alkylation test of Epstein (4-nitrobenzylpyridine

An improved method for cysteine alkylation.

Perrey DA and Uckun FM.

Tetrahedron Letters, 42(10), 1859-1861 (2001)

Direct mono-N-alkylation of amines in ionic liquids: chemoselectivity and reactivity.

Chiappe C and Pieraccini D.

Green Chemistry, 5(2), 193-197 (2003)

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