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Key Documents

Safety Information

23160

Sigma-Aldrich

Benzyl chloroformate

purum, ≥95.0% (GC)

Synonym(s):

Carbobenzoxy chloride, Z-Chloride

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About This Item

Linear Formula:
ClCO2CH2C6H5
CAS Number:
Molecular Weight:
170.59
Beilstein:
509751
EC Number:
MDL number:
UNSPSC Code:
12352000
NACRES:
NA.22

vapor density

1 (vs air)

vapor pressure

1.39 psi ( 20 °C)

grade

purum

Assay

≥95.0% (GC)

contains

sodium carbonate as stabilizer

refractive index

n20/D 1.518
n20/D 1.519 (lit.)

bp

103 °C/20 mmHg (lit.)

density

1.212 g/mL at 20 °C
1.195 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

ClC(=O)OCc1ccccc1

InChI

1S/C8H7ClO2/c9-8(10)11-6-7-4-2-1-3-5-7/h1-5H,6H2

InChI key

HSDAJNMJOMSNEV-UHFFFAOYSA-N

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General description

may contain benzyl chloride

Other Notes

Reagent for introducing the Z (carbobenzoxy) protecting group in amines

Regulatory Information

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T.W. Greene
Protective Groups in Organic Synthesis null

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