US1962173A - Manufacture of tetraethyl lead - Google Patents
Manufacture of tetraethyl lead Download PDFInfo
- Publication number
- US1962173A US1962173A US300370A US30037028A US1962173A US 1962173 A US1962173 A US 1962173A US 300370 A US300370 A US 300370A US 30037028 A US30037028 A US 30037028A US 1962173 A US1962173 A US 1962173A
- Authority
- US
- United States
- Prior art keywords
- lead
- alloy
- tetraethyl lead
- manufacture
- chloride
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- MRMOZBOQVYRSEM-UHFFFAOYSA-N tetraethyllead Chemical compound CC[Pb](CC)(CC)CC MRMOZBOQVYRSEM-UHFFFAOYSA-N 0.000 title description 20
- 238000004519 manufacturing process Methods 0.000 title description 6
- 229910045601 alloy Inorganic materials 0.000 description 9
- 239000000956 alloy Substances 0.000 description 9
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 8
- HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 description 8
- 229960003750 ethyl chloride Drugs 0.000 description 8
- 229910000528 Na alloy Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 3
- 229910001510 metal chloride Inorganic materials 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/24—Lead compounds
Definitions
- This invention relates to an improvement in the method of manufacturing tetraethyl lead by the action of ethyl chloride on lead mono-sodium 5 alloy. More particularly, the invention relates to the activation of the lead sodium alloy by means of a metal chloride.
- metal chlorides as aluminum chloride or ferric chloride.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Patented June 12, 1934 UNITED STATES PATENT OFFICE Parmelee, Carneys Point,
and Homer F.
Meschter, Penns Grove, N. J., assignors to E. I. du Pont de Nemours & Company, Wilmington, Del., a corporation of Delaware No Drawing. Application August 17, 1928, Serial No. 300,370
3 Claims.
This invention relates to an improvement in the method of manufacturing tetraethyl lead by the action of ethyl chloride on lead mono-sodium 5 alloy. More particularly, the invention relates to the activation of the lead sodium alloy by means of a metal chloride.
The successful production of tetraethyl lead by the interaction of lead mono-sodium alloy with ethyl chloride depends upon the speed with which the reaction can be started and maintained at relatively low temperatures. It has been the practice to treat lead mono-sodium alloy with ethyl chloride under pressure, at temperatures varying between 35 and 100 C. By this procedure it has been possible to obtain yields of 80 of the theoretical.
We have now discovered that if very small amounts of certain inorginac salts, such as certain metal chlorides, are added to the lead sodium alloy, either during its formation or by remelting the already formed alloy and incorporating therewith the desired compound, the alloy is activated and higher yields of tetraethyl lead may be obtained when this alloy is subjected to the reaction conditions ordinarily employed in the manufacture of tetraethyl lead from lead sodium alloy and ethyl chloride.
We may use for this purpose such metal chlorides as aluminum chloride or ferric chloride.
The following example indicates by way of illustration one embodiment of our invention:
10 grams of sodium, 90 grams of lead and 0.01 gram of aluminum chloride are placed together in a suitable vessel and heated until the whole mass becomes liquid. The liquid mass is then agitated in any manner desired to secure thorough mixing and is subsequently cooled. The cold alloy is then reduced to a powder and is placed in a reaction vessel capable of withstanding pressure. (Although the degree of fineness of the powder is not an essential feature, we prefer to employ a coarse powder for this purpose). The alloy is then treated with ethyl chloride under pressure at temperatures varying between 35 and 90 C.
It will be understood that the conditions of pressure and temperature may vary as is usual in the known processes of manufacturing tetraethyl lead and for this reason the details of the usual reaction conditions, and of the recovery of tetraethyl lead from the reaction mass, are not given because they are unessential. Our improvement lies in the presence of a chloride of a metal in the alloy, irrespective of the particular conditions employed for the production of tetraethyl lead using ethyl chloride.
It will be apparent that other embodiments of this invention exist and may be practiced without departing from the spirit of the invention, and it is understood that we do not limit ourselves to the foregoing example or description except as indicated in the following patent claims.
We claim:
1. The process of producing tetraethyl lead which comprises reacting under pressure ethyl chloride and an alloy which consists of the product of the fusion together of lead, sodium and a member of the group consisting of aluminum chloride and ferric chloride.
2. The process of claim 1 in which the reaction takes place at temperatures of from 35 C. to 90 C.
3. The process of producing tetraethyl lead which comprises reacting under pressure ethyl chloride and an alloy which consists of the product of the fusion together of approximately 90 parts lead, 10 parts sodium and 0.01 parts .aluminum chloride.
HOMER F. MESCl-ITER.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US300370A US1962173A (en) | 1928-08-17 | 1928-08-17 | Manufacture of tetraethyl lead |
| US401621A US1944167A (en) | 1928-08-17 | 1929-10-22 | Alloy for use in the manufacture of tetraethyl lead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US300370A US1962173A (en) | 1928-08-17 | 1928-08-17 | Manufacture of tetraethyl lead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1962173A true US1962173A (en) | 1934-06-12 |
Family
ID=23158812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US300370A Expired - Lifetime US1962173A (en) | 1928-08-17 | 1928-08-17 | Manufacture of tetraethyl lead |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US1962173A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2615906A (en) * | 1948-05-22 | 1952-10-28 | Stanton Robert | Solid-liquid reaction processes |
| US2619496A (en) * | 1951-08-07 | 1952-11-25 | Stanton Robert | Solid-liquid reaction processes |
| US2635106A (en) * | 1951-10-25 | 1953-04-14 | Ethyl Corp | Process for making tetraethyl lead |
| US2653159A (en) * | 1949-12-24 | 1953-09-22 | Ethyl Corp | Manufacture of tetraethyllead |
| US3072694A (en) * | 1960-11-15 | 1963-01-08 | Du Pont | Process for making tetramethyl lead |
| US3110719A (en) * | 1960-06-21 | 1963-11-12 | Du Pont | Manufacture of tetraethyllead |
-
1928
- 1928-08-17 US US300370A patent/US1962173A/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2615906A (en) * | 1948-05-22 | 1952-10-28 | Stanton Robert | Solid-liquid reaction processes |
| US2653159A (en) * | 1949-12-24 | 1953-09-22 | Ethyl Corp | Manufacture of tetraethyllead |
| US2619496A (en) * | 1951-08-07 | 1952-11-25 | Stanton Robert | Solid-liquid reaction processes |
| US2635106A (en) * | 1951-10-25 | 1953-04-14 | Ethyl Corp | Process for making tetraethyl lead |
| US3110719A (en) * | 1960-06-21 | 1963-11-12 | Du Pont | Manufacture of tetraethyllead |
| US3072694A (en) * | 1960-11-15 | 1963-01-08 | Du Pont | Process for making tetramethyl lead |
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