2,4,6,8-tetramethyl-1,3,5,7-tetraoxacyclooctane (CAS 108-62-3) — formula C8H16O4, molecular weight 176.21; category organic chemicals.
| CAS Number | 108-62-3 |
|---|---|
| Molecular Formula | C8H16O4 |
| Molecular Weight | 176.21 |
| Melting Point | 246.2 °C (closed capillary) |
| Boiling Point | 115 °C (sublimes) |
| LogP | log Kow = 0.12 |
| Applications | Uses: Used for control of snails in seed crops, turf, ornamentals, berries, citrus, vegetables, and other crops, [Reference #1] Used for synthesis in the chemical industry, as odor agent, and as pesticide, [IUCLID] Used as molluscicide, solid fuel for small heaters (alcohol replacement), and fire starter, [Reference #2], Farming (Pesticides) [Category: Industry], For metaldehyde (USEPA, OPP Pesticide Code: 053001) ACTIVE products with label matches., SRP: Registered for use in the U.S. but approved pesticide uses may change periodically and so federal, state and local authorities must be consulted for currently approved uses., Metaldehyde is a molluscicide used to control snails and slugs on a wide variety of sites, including turf, and vegetables., In compressed form as a fuel instead of alcohol, molluscicide., Polymer, Metaldehyde is used as a pesticide against slugs, snails, and other gastropods, it is also used in tablets as a solid fuel for small heaters, and as fire-starter. (L1782), Use Classification: Molluscicides, Environmental transformation -> Pesticides (parent, predecessor), Household Products: Information on 12 consumer products that contain Metaldehyde [BSI:ISO] in the following categories is provided:, • Pesticides, Information on 4 consumer products that contain Metaldehyde in the following categories is provided:, Methods of Manufacturing: Metaldehyde is obtained in addition to large amounts of paraldehyde during polymerization of acetaldehyde in the presence of HBr and alkaline earth metal bromides, such as CaBr2, at temperatures below 0 °C. However, yields are scarcely higher than 8%. Yields of 14 - 20% have been reported when working in the presence of 7 - 15% of an aliphatic or cyclic ether at 0 - 20 °C. Insoluble metaldehyde is filtered out. Acetaldehyde is then distilled from the filtrate following depolymerization of the paraldehyde and is returned to the polymerization. Recycling of the large amounts of acetaldehyde results in losses that increase the process costs., Prepd by polymerization of acetaldehyde in presence of hydrochloric acid, sulfuric acid @ low temp: Kekule, Zincke, Ann 162, 125 (1872), in presence of pyridine and hydrogen bromide: Wilder, US patent 2, 426, 961 (1947 to Publicker Ind)., Formulations, Preparations: Corry's Slug, Snail & Insect Killer, Get-A-Bug Snail, Slug & Insect Killer : Active ingredients 2.0%Metaldehyde, 5.0% Carbaryl, Bug-Geta Snail & Slug Pellets: Active ingredient 3.25% Metaldehyde, Durham Metaldehyde Granules 3.5: Active ingredient 3.5% Metaldehyde, Corry's Liquid Slug & Snail Control, Deadline Bullets, Deadline M-PS Mini-Pellets!, Metaldehyde 4 Bait, Metarex 4% Snail And Slug Bait: Active ingredient 4.0% Metaldehyde, For more Formulations, Preparations (Complete) data for Metaldehyde (29 total), please visit the HSDB record page., U.S. Production: Production volumes for non-confidential chemicals reported under the Inventory Update Rule. [Table#3513], General Manufacturing Information: The WHO Recommended Classification of Pesticides by Hazard identifies Metaldehyde (technical grade) as Class II: moderately hazardous, Main Use: molluscicide. |
| Category | Organic Chemicals |
Documented applications: Uses: Used for control of snails in seed crops, turf, ornamentals, berries, citrus, vegetables, and other crops, [Reference #1] Used for synthesis in the chemical industry, as odor agent, and as pesticide, [IUCLID] Used as molluscicide, solid fuel for small heaters (alcohol replacement), and fire starter, [Reference #2], Farming (Pesticides) [Category: Industry], For metaldehyde (USEPA, OPP Pesticide Code: 053001) ACTIVE products with label matches., SRP: Registered for use in the U.S. but approved pesticide uses may change periodically and so federal, state and local authorities must be consulted for currently approved uses., Metaldehyde is a molluscicide used to control snails and slugs on a wide variety of sites, including turf, and vegetables., In compressed form as a fuel instead of alcohol, molluscicide., Polymer, Metaldehyde is used as a pesticide against slugs, snails, and other gastropods, it is also used in tablets as a solid fuel for small heaters, and as fire-starter. (L1782), Use Classification: Molluscicides, Environmental transformation -> Pesticides (parent, predecessor), Household Products: Information on 12 consumer products that contain Metaldehyde [BSI:ISO] in the following categories is provided:, • Pesticides, Information on 4 consumer products that contain Metaldehyde in the following categories is provided:, Methods of Manufacturing: Metaldehyde is obtained in addition to large amounts of paraldehyde during polymerization of acetaldehyde in the presence of HBr and alkaline earth metal bromides, such as CaBr2, at temperatures below 0 °C. However, yields are scarcely higher than 8%. Yields of 14 - 20% have been reported when working in the presence of 7 - 15% of an aliphatic or cyclic ether at 0 - 20 °C. Insoluble metaldehyde is filtered out. Acetaldehyde is then distilled from the filtrate following depolymerization of the paraldehyde and is returned to the polymerization. Recycling of the large amounts of acetaldehyde results in losses that increase the process costs., Prepd by polymerization of acetaldehyde in presence of hydrochloric acid, sulfuric acid @ low temp: Kekule, Zincke, Ann 162, 125 (1872), in presence of pyridine and hydrogen bromide: Wilder, US patent 2, 426, 961 (1947 to Publicker Ind)., Formulations, Preparations: Corry's Slug, Snail & Insect Killer, Get-A-Bug Snail, Slug & Insect Killer : Active ingredients 2.0%Metaldehyde, 5.0% Carbaryl, Bug-Geta Snail & Slug Pellets: Active ingredient 3.25% Metaldehyde, Durham Metaldehyde Granules 3.5: Active ingredient 3.5% Metaldehyde, Corry's Liquid Slug & Snail Control, Deadline Bullets, Deadline M-PS Mini-Pellets!, Metaldehyde 4 Bait, Metarex 4% Snail And Slug Bait: Active ingredient 4.0% Metaldehyde, For more Formulations, Preparations (Complete) data for Metaldehyde (29 total), please visit the HSDB record page., U.S. Production: Production volumes for non-confidential chemicals reported under the Inventory Update Rule. [Table#3513], General Manufacturing Information: The WHO Recommended Classification of Pesticides by Hazard identifies Metaldehyde (technical grade) as Class II: moderately hazardous, Main Use: molluscicide..
2,4,6,8-tetramethyl-1,3,5,7-tetraoxacyclooctane is a carbon-based organic compound with CAS registry number 108-62-3 and molecular formula C8H16O4 (molecular weight 176.21), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 108-62-3
Its molecular formula C8H16O4 comprises 8 C, 16 H, 4 O atoms.
Also known as: 2,4,6,8-tetramethyl-1,3,5,7-tetraoxacyclooctane · Metaldehyde
Category: organic chemicals
The CAS registry number of 2,4,6,8-tetramethyl-1,3,5,7-tetraoxacyclooctane is 108-62-3.
Molecular formula C8H16O4, molecular weight 176.21.
It is also registered under: 2,4,6,8-tetramethyl-1,3,5,7-tetraoxacyclooctane, Metaldehyde.
Recorded applications: Uses: Used for control of snails in seed crops, turf, ornamentals, berries, citrus, vegetables, and other crops, [Reference #1] Used for synthesis in the chemical industry, as odor agent, and as pesticide, [IUCLID] Used as molluscicide, solid fuel for small heaters (alcohol replacement), and fire starter, [Reference #2], Farming (Pesticides) [Category: Industry], For metaldehyde (USEPA, OPP Pesticide Code: 053001) ACTIVE products with label matches., SRP: Registered for use in the U.S. but approved pesticide uses may change periodically and so federal, state and local authorities must be consulted for currently approved uses., Metaldehyde is a molluscicide used to control snails and slugs on a wide variety of sites, including turf, and vegetables., In compressed form as a fuel instead of alcohol, molluscicide., Polymer, Metaldehyde is used as a pesticide against slugs, snails, and other gastropods, it is also used in tablets as a solid fuel for small heaters, and as fire-starter. (L1782), Use Classification: Molluscicides, Environmental transformation -> Pesticides (parent, predecessor), Household Products: Information on 12 consumer products that contain Metaldehyde [BSI:ISO] in the following categories is provided:, • Pesticides, Information on 4 consumer products that contain Metaldehyde in the following categories is provided:, Methods of Manufacturing: Metaldehyde is obtained in addition to large amounts of paraldehyde during polymerization of acetaldehyde in the presence of HBr and alkaline earth metal bromides, such as CaBr2, at temperatures below 0 °C. However, yields are scarcely higher than 8%. Yields of 14 - 20% have been reported when working in the presence of 7 - 15% of an aliphatic or cyclic ether at 0 - 20 °C. Insoluble metaldehyde is filtered out. Acetaldehyde is then distilled from the filtrate following depolymerization of the paraldehyde and is returned to the polymerization. Recycling of the large amounts of acetaldehyde results in losses that increase the process costs., Prepd by polymerization of acetaldehyde in presence of hydrochloric acid, sulfuric acid @ low temp: Kekule, Zincke, Ann 162, 125 (1872), in presence of pyridine and hydrogen bromide: Wilder, US patent 2, 426, 961 (1947 to Publicker Ind)., Formulations, Preparations: Corry's Slug, Snail & Insect Killer, Get-A-Bug Snail, Slug & Insect Killer : Active ingredients 2.0%Metaldehyde, 5.0% Carbaryl, Bug-Geta Snail & Slug Pellets: Active ingredient 3.25% Metaldehyde, Durham Metaldehyde Granules 3.5: Active ingredient 3.5% Metaldehyde, Corry's Liquid Slug & Snail Control, Deadline Bullets, Deadline M-PS Mini-Pellets!, Metaldehyde 4 Bait, Metarex 4% Snail And Slug Bait: Active ingredient 4.0% Metaldehyde, For more Formulations, Preparations (Complete) data for Metaldehyde (29 total), please visit the HSDB record page., U.S. Production: Production volumes for non-confidential chemicals reported under the Inventory Update Rule. [Table#3513], General Manufacturing Information: The WHO Recommended Classification of Pesticides by Hazard identifies Metaldehyde (technical grade) as Class II: moderately hazardous, Main Use: molluscicide..
Category: Organic Chemicals.
Independent reference data for 2,4,6,8-tetramethyl-1,3,5,7-tetraoxacyclooctane (CAS 108-62-3), compiled from public chemistry databases.
| CAS Registry Number | 108-62-3 |
|---|---|
| PubChem CID | 61021 |
| Molecular formula | C8H16O4 |
| IUPAC name | 2,4,6,8-tetramethyl-1,3,5,7-tetraoxocane |
| UNII (FDA) | 4CI033VJYG |
| Molecular Weight | 176.21 |
|---|---|
| XLogP3 | 1.1 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 176.10485899 |
| Monoisotopic Mass | 176.10485899 |
| Topological Polar Surface Area | 36.9 |
| Heavy Atom Count | 12 |
| Boiling Point | 115 °C (sublimes) |
|---|---|
| Melting Point | 246.2 °C (closed capillary) |
| Flash Point | 97 °F (36 °C) (closed cup) |
| Solubility | In water, 222 mg/L at 20 °C |
| Density | 1.27 at 20 °C |
| Vapor Pressure | 6.6X10+3 mPa (5.0X10-2 mm Hg) at 25 °C |
| LogP | log Kow = 0.12 |
| Heat of Combustion | 3370 kJ/mol |
METALDEHYDE; 108-62-3; Metacetaldehyde; Slug-Tox; 2,4,6,8-Tetramethyl-1,3,5,7-tetraoxocane; Cekumeta; Acetaldehyde, tetramer; Ariotox; Halizan; Metason; 1,3,5,7-Tetroxocane, 2,4,6,8-tetramethyl-; Metaldehyd; Corry's Slug Death; Metaldeide; Acetaldehyde Tetramer; 2,4,6,8-Tetramethyl-1,3,5,7-tetraoxacyclooctane
| Reported hazard statements | H228, H301, H412, H312 (17.2%), H361 (11.9%), H320, H370, H373 |
|---|
H228: Flammable solid [Danger Flammable solids]
H301: Toxic if swallowed [Danger Acute toxicity, oral]
2,4,6,8-tetramethyl-1,3,5,7-tetraoxacyclooctane · CAS 108-62-3 · C8H16O4. UNII 4CI033VJYG. Boiling Point: 115 °C (sublimes); Melting Point: 246.2 °C (closed capillary); Flash Point: 97 °F (36 °C) (closed cup).
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.