Techniques in organic chemistry.pdf

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Chemical resistance of common types of gloves to various
compounds
Glove type
Compound
Neoprene
Nitrile
Latex
Acetone
Chloroform
Dichloromethane
Diethyl ether
Ethanol
Ethyl acetate
Hexane
Methanol
Nitric acid (conc.)
Sodium hydroxide
Sulfuric acid (conc.)
Toluene
good
good
fair
very good
very good
good
excellent
very good
good
very good
good
fair
fair
poor
poor
good
excellent
poor
excellent
fair
poor
excellent
poor
fair
good
poor
poor
poor
excellent
fair
poor
fair
poor
excellent
poor
poor
Common organic solvents
Name
Boiling
Density
Dielectric Miscible
point (°C) (g · ml
1
) constant with H
2
O
Acetone (2-propanone)
Dichloromethane
Diethyl ether
Ethanol (95% aq. azeotrope)
Ethanol (anhydrous)
Ethyl acetate
Hexane
Methanol
Pentane
2-Propanol (Isopropyl alcohol)
Toluene
56.5
40
35
78
78.5
77
69
65
36
82.5
111
0.792
1.326
0.713
0.816
0.789
0.902
0.660
0.792
0.626
0.785
0.866
21
9.1
4.3
27
25
6.0
1.9
33
1.8
18
2.4
yes
no
no
yes
yes
slightly
no
yes
no
yes
no
Selected data on common acid and base solutions
Compound
Molarity
Density
(g · ml
1
)
% by weight
Acetic acid (glacial)
Ammonia (concentrated)
Hydrobromic acid (concentrated)
Hydrochloric acid (concentrated)
Nitric acid (concentrated)
Phosphoric acid (concentrated)
Sodium hydroxide
Sulfuric acid (concentrated)
17
15.3
8.9
12
16
14.7
6
18
1.05
0.90
1.49
1.18
1.42
1.70
1.22
1.84
100
28.4
48
37
71
85
20
95–98
Quick reference for other important tables
Page
13
13
C DEPT signals (22.8)
C chemical shifts (22.1)
Common GC stationary phases (19.1)
Drying agents (12.1)
Filter paper types (10.1)
1
H chemical shifts (21.2)
1
H coupling constants (21.6)
NMR Solvents, deuterated (21.1)
Recrystallization solvents (15.1)
TLC solvent polarities (17.1)
392
377
261
133
104
329
351
320
185
232
2.0 mL
1.5 mL
Quick reference for other important figures
Page
1.0 mL
Distillation
fractional (13.17)
simple (13.7)
short-path (13.8)
standard taper microscale (13.10)
Williamson microscale (13.13)
Extraction
microscale (11.8, 11.10)
miniscale (11.5)
Filtration, vacuum
microscale (10.7)
miniscale (10.6)
Glassware
standard taper miniscale (4.4)
standard taper microscale (4.6)
Williamson microscale (4.8)
160
149
152
153
156
128, 130
123–124
111
110
33
35
36
0.5 mL
0.1 mL
Quick reference for sections on sources of
confusion
Page
Computational chemistry
Distillation
Drying organic liquids
Extraction
Filtration
Gas chromatography (GC)
IR spectroscopy
Liquid chromatography (LC)
Melting points
Mass spectrometry (MS)
1
H NMR spectroscopy
Recrystallization
Thin-layer chromatography (TLC)
UV/VIS spectroscopy
82
172
140
131
112
268
307
251
181
424
352
195
233
438
cm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
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Techniques
in Organic Chemistry

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