Mannitol

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  Mannitol   
Names: mannit
D-mannitol
osmitrol
manna sugar

Formula: C6H14O6
SMILES: C(C(C(C(C(CO)O)O)O)O)O
Molar mass: 182.171 g/mol
Density: 1.489 g/cm3
Crystal system: orthorhombic (α)
a=8.94 Å
8.9400 Å
0.8940 nm
, b=18.41 Å
18.4100 Å
1.8410 nm
, c=4.92 Å
4.9200 Å
0.4920 nm
α=90°
90°  
, β=90°
90°  
, γ=90°
90°  

orthorhombic (β)
a=8.672 Å
8.6720 Å
0.8672 nm
, b=16.875 Å
16.8750 Å
1.6875 nm
, c=5.56 Å
5.5600 Å
0.5560 nm
α=90°
90°  
, β=90°
90°  
, γ=90°
90°  

orthorhombic (γ)
a=9.33 Å
9.3300 Å
0.9330 nm
, b=17.36 Å
17.3600 Å
1.7360 nm
, c=4.99 Å
4.9900 Å
0.4990 nm
α=90°
90°  
, β=90°
90°  
, γ=90°
90°  

monoclinic (δ)
a=5.08941 Å
5.0894 Å
0.5089 nm
, b=18.2504 Å
18.2504 Å
1.8250 nm
, c=4.91702 Å
4.9170 Å
0.4917 nm
α=90°
90°  
, β=118.303°
118°18′10.8″  
, γ=90°
90°  

orthorhombic (K)
a=8.942 Å
8.9420 Å
0.8942 nm
, b=18.798 Å
18.7980 Å
1.8798 nm
, c=4.893 Å
4.8930 Å
0.4893 nm
α=90°
90°  
, β=90°
90°  
, γ=90°
90°  

triclinic (hemihydrate)
a=9.8963 Å
9.8963 Å
0.9896 nm
, b=10.5424 Å
10.5424 Å
1.0542 nm
, c=4.7860 Å
4.7860 Å
0.4786 nm
α=102.589°
102°35′20.4″  
, β=86.092°
86°5′31.2″  
, γ=116.079°
116°4′44.4″  

Shapes:
https://media.crystalls.info/w/uploads/media/Irregular_pinacoidal_prism.json
https://media.crystalls.info/w/uploads/media/Tetragonal_prism.json
https://media.crystalls.info/w/uploads/media/Needle.json

Color: colorless
Melting point: 166.1 °C
439.25 K
330.98 °F
790.65 °R

Decomposition point: -5 °C
268.15 K
23 °F
482.67 °R
(hemihydrate)
Toxicity: slightly toxic
LD50=1700mg/kg

Description

Organic compound, hexabasic sugary alcohol. Doesn`t form water hydrates.

Where to buy

In pharmacy (as "Mannitol' sweetener).

Influence of temperature

When grown from hot solution, usually large amount of small crystals formes.

Influence of impurities

Addition of boric acid or growth from organic solvents such as methanol leads to changing the shape of crystal.

Storage conditions

Store in its original form or under several layers of varnish at average humidity and room temperature. Do not store in matchboxes or cotton wool and do not heat.

Solubility

Temperatureгр/100,00 гр waterгр/100,00 гр ethanolгр/100,00 гр ethanol 40%гр/100,00 гр ethanol 60%гр/100,00 гр ethanol 80%гр/100,00 гр glycerolгр/100,00 гр pyridineгр/100,00 гр isobutanolгр/100,00 гр 1-butanolгр/100,00 гр 2-butanolгр/100,00 гр tert-butanolгр/100,00 гр allyl alcohol
0°C
273.15 K
32 °F
491.67 °R
9.42
9.42 g/100g
8.609 %
0.003
0.003 g/100g
0.003 %
1.81
1.81 g/100g
1.778 %
0.79
0.79 g/100g
0.784 %
0.16
0.16 g/100g
0.16 %
10°C
283.15 K
50 °F
509.67 °R
12.05
12.05 g/100g
10.754 %
~0.01
0.01 g/100g
0.01 %
~3.28
3.28 g/100g
3.176 %
~1.37
1.37 g/100g
1.351 %
~0.32
0.32 g/100g
0.319 %
15°C
288.15 K
59 °F
518.67 °R
14.1
14.1 g/100g
12.358 %
0.01
0.01 g/100g
0.01 %
~4.01
4.01 g/100g
3.855 %
~1.66
1.66 g/100g
1.633 %
~0.40
0.4 g/100g
0.398 %
20°C
293.15 K
68 °F
527.67 °R
~15.9
15.9 g/100g
13.719 %
~0.02
0.02 g/100g
0.02 %
~4.75
4.75 g/100g
4.535 %
~1.96
1.96 g/100g
1.922 %
~0.48
0.48 g/100g
0.478 %
7
7 g/100g
6.542 %
25°C
298.15 K
77 °F
536.67 °R
17.73
17.73 g/100g
15.06 %
0.03
0.03 g/100g
0.03 %
5.48
5.48 g/100g
5.195 %
2.25
2.25 g/100g
2.2 %
0.55
0.55 g/100g
0.547 %
0.47
0.47 g/100g
0.468 %
30°C
303.15 K
86 °F
545.67 °R
~20.4
20.4 g/100g
16.944 %
~0.05
0.05 g/100g
0.05 %
~8.48
8.48 g/100g
7.817 %
~2.27
2.27 g/100g
2.22 %
~1.05
1.05 g/100g
1.039 %
40°C
313.15 K
104 °F
563.67 °R
25.71
25.71 g/100g
20.452 %
0.075
0.075 g/100g
0.0749 %
~14.5
14.5 g/100g
12.664 %
~2.30
2.3 g/100g
2.248 %
~2.06
2.06 g/100g
2.018 %
0.05
0.05 g/100g
0.05 %
50°C
323.15 K
122 °F
581.67 °R
32.07
32.07 g/100g
24.283 %
0.28
0.28 g/100g
0.279 %
~20.5
20.5 g/100g
17.012 %
~2.33
2.33 g/100g
2.277 %
~3.07
3.07 g/100g
2.979 %
0.04
0.04 g/100g
0.04 %
60°C
333.15 K
140 °F
599.67 °R
38.33
38.33 g/100g
27.709 %
0.81
0.81 g/100g
0.803 %
26.5
26.5 g/100g
20.949 %
2.36
2.36 g/100g
2.306 %
4.08
4.08 g/100g
3.92 %
0.027
0.027 g/100g
0.027 %
0.032
0.032 g/100g
0.032 %
0.093
0.093 g/100g
0.0929 %
70°C
343.15 K
158 °F
617.67 °R
~45.9
45.9 g/100g
31.46 %
80°C
353.15 K
176 °F
635.67 °R
53.49
53.49 g/100g
34.849 %
90°C
363.15 K
194 °F
653.67 °R
60.1
60.1 g/100g
37.539 %
100°C
373.15 K
212 °F
671.67 °R
66.33
66.33 g/100g
39.879 %
Soluble in aniline. Insoluble in diethyl ether.

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