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378135

Sigma-Aldrich

Beryllium

powder, −325 mesh, ≥99%

Synonym(s):

Glucinium

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About This Item

Empirical Formula (Hill Notation):
Be
CAS Number:
7440-41-7
Molecular Weight:
9.01
EC Number:
231-150-7
MDL number:
MFCD00134032
UNSPSC Code:
12352300
PubChem Substance ID:
24863544

Assay

≥99%

form

powder

autoignition temp.

1198 °F

reaction suitability

reagent type: Lewis acid
core: beryllium
reagent type: catalyst

resistivity

4.46 μΩ-cm, 20°C

particle size

−325 mesh

bp

2970 °C (lit.)

mp

1278 °C (lit.)

density

1.85 g/mL at 25 °C (lit.)

SMILES string

[Be]

InChI

1S/Be

InChI key

ATBAMAFKBVZNFJ-UHFFFAOYSA-N

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Application

Starting material for novel sterically encumbered arylberyllium compounds.

Reagent for synthesis of:
  • Beryllium phthalocyanine and its derivatives
  • Catalyst with cerium oxide for oxidative coupling of methane
  • Organoberyllium compounds

Reagent for:
  • Metal mediated dechlorination
  • Stereoselective Horner-Wadsworth-Emmons reactions

Pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Carc. 1B Inhalation - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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David D Díaz et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 12(9), 2593-2606 (2006-01-10)
A highly regio- and stereoselective intramolecular [1,5]-hydrogen-transfer process is described. Treatment of gamma-benzyl-protected Co2(CO)6-alpha,gamma-acetylenic diols with BF3 x OEt2 provides bis-homopropargylic alcohols. The reaction occurs within seconds, tolerates a wide range of functionalities, and provides good yields. When the ether
K. Otsuka, et al.,
Chemistry Letters (Jpn), 9, 1835-1838 (1987)
I. I. Lapkin and S. V. Sinani,
Zh. Obshch. Khim., 57, 372-375 (1987)
R. Kubiak, et al.,
Inorgorganica Chimica Acta, 359, 1344-1350 (2006)
Mark Niemeyer et al.
Inorganic chemistry, 36(21), 4688-4696 (2001-10-24)
The use of the terphenyl substituent -C(6)H(3)-2,6-Mes(2) (abbreviated Ar) has permitted the synthesis of several new low-coordinate beryllium compounds. Reaction of 1 equiv of LiAr with BeCl(2)(OEt(2))(2) or BeBr(2)(OEt(2))(2) (1) gives the monomeric complexes ArBeX(OEt(2)) (X = Cl (2); Br
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