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Hexacarbon alcohol is also known as 3-methyl-2-penten-4-yn-1-ol (3-methyl-2-penten-4-yn-1-ol), the molecular formula is C 6 H 8 O, and the structural formula is
1.
Product performance
Oily liquid, slightly fragrant, with cis and trans isomers
.
The boiling point of cis-hexacarbon alcohol is 65°C/1.
2.
Production principle
Acetylene reacts with calcium in liquid ammonia to form calcium acetylene, which is then condensed with methyl ketene, and then rearranged to obtain six-carbon alcohol
.
3.
Process flow
4.
Technical formula (quality, portion)
5.
Main equipment
Reaction kettle, acidification kettle, rectified gold, condenser, steam distillation kettle, extraction tank, storage tank
.
6.
Production process
Put 5.
8 kg of ferric nitrate into the reaction kettle
.
About 1130kg of liquid ammonia is introduced
7.
Product Standard
8.
Quality inspection
Assay: Acetate the sample with excess acetic anhydride, then decompose the unreacted acetic anhydride with water, and titrate the generated acetic acid with a standard lye
.
Do a blank experiment at the same time
In the formula: c——molar concentration of standard KOH solution, mol/L;
V 1 ——The volume of KOH solution consumed by the blank sample, mL;
V 2 —The volume of KOH solution consumed by the sample, mL;
G——The mass of the sample, g
.
9.
Product use
And pharmaceutical intermediates in organic synthesis; mainly for the production of vitamin A
.
10.
Security measures
(1) Low temperature operation is used in the production process, and the operator should be familiar with the low temperature operation procedures
.
The equipment must be airtight
.
(2) Packed in aluminum drums and stored in a dry and dark place
.
This product is toxic and should be stored and transported as toxic chemicals
.