Dimethylketene dimer
Also known as 4-Isopropylidene-3,3-dimethyl-2-oxetanone, 2-Oxetanone, 4-isopropylidene-3,3-dimethyl-, 2-Oxetanone, 3,3-dimethyl-4-(1-methylethylidene)-
Key facts
What buyers check first
- CAS number
- 3173-79-3
- Formula
- C8H12O2
- Molar mass
- 140.18 g/mol
- EC number
- 221-643-5
- HS code
- 293220
- Category
- Pulp and paper chemicals
What is Dimethylketene dimer?
Plain description, key identifiers and synonyms
Dimethylketene dimer is a chemical substance with the molecular formula C8H12O2 and a molar mass of 140.18 g/mol. Its CAS registry number is 3173-79-3. The IUPAC name is 3,3-dimethyl-4-propan-2-ylideneoxetan-2-one.
Identifiers
Registry numbers, names and line notations, tap to copy
- IUPAC name
- 3,3-dimethyl-4-propan-2-ylideneoxetan-2-one
- CAS number
- 3173-79-3 CAS number cross-checked
- EC number
- 221-643-5
- Molecular formula
- C8H12O2
- UNII
- 19F2Y215MJ
- InChIKey
- OKAAPXFKYOTAEN-UHFFFAOYSA-N
- InChI
- InChI=1S/C8H12O2/c1-5(2)6-8(3,4)7(9)10-6/h1-4H3
- SMILES (canonical and isomeric)
- CC(=C1C(C(=O)O1)(C)C)C
Synonyms
- 4-Isopropylidene-3,3-dimethyl-2-oxetanone
- 2-Oxetanone, 4-isopropylidene-3,3-dimethyl-
- 2-Oxetanone, 3,3-dimethyl-4-(1-methylethylidene)-
- 2,2,4-Trimethylpent-3-en-3-olide
- 3,3-Dimethyl-4-(1-methylethylidene)-2-oxetanone
- 2,2,4-Trimethyl-3-hydroxy-3-pentenoic acid beta lactone
- 3-Hydroxy-2,2,4-trimethyl-3-pentenoic acid, beta-lactone
- 3-Pentenoic acid, 3-hydroxy-2,2,4-trimethyl-, beta-lactone
- 2,2,4-Trimethyl-3-hydroxy-3-pentenoic acid lactone
- 3-Hydroxy-2,2,4-trimethyl-3-pentenoic beta-lactone
- beta-lactone of 2,2,4-trimethyl-3-hydroxy-3-pentenoic acid
- 2,2,4-Trimethyl-3-hydroxy-3-pentenoic acid, beta-lactone
- 2-Oxetanone, 3,3-dimethyl-4-(1-methylethylidene)-(9ci)
- 2,2-Dimethyl-3-isopropyliden-beta-propiolactone
- 3,3-Dimethyl-4-(propan-2-ylidene)oxetan-2-one
- 3,3-dimethyl-4-propan-2-ylideneoxetan-2-one
- Dimethylketene-beta-lactone dimer
- 2-Oxetanone, 3,3-dimethyl-4-(1-methylethylidene)- (9CI)
- 3-Hydroxy-2,2,4-trimethyl-3-pentenoic acid beta-lactone
- 2-Oxetanone,3-dimethyl-
- 2-Oxetanone,3-dimethyl-4-(1-methylethylidene)-
- 2,2,4-Trimethyl-3-hydroxy-3-pentenoic acid beta-lactone
- 2,4-Trimethyl-3-hydroxy-3-pentenoic acid beta lactone
- 3-Hydroxy-2,4,4-trimethyl-3-pentenoic acid beta-lactone
- 3-Hydroxy-2,4-trimethyl-3-pentenoic acid, beta-lactone
Physical and chemical properties
Measured values and descriptors computed from the structure
Physical and chemical properties
Measured values, check the supplier specification for your grade
No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.
Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.
Computed descriptors
Calculated from the structure, useful for screening and formulation
| Molecular weight | 140.18 g/molcalc.Computed value |
|---|---|
| Exact mass | 140.0837 Dacalc.Computed value |
| LogP (octanol/water) | 1.86calc.Computed value |
| Topological polar surface area | 26.3 Ųcalc.Computed value |
| Hydrogen bond donors | 0calc.Computed value |
| Hydrogen bond acceptors | 2calc.Computed value |
| Rotatable bonds | 0calc.Computed value |
| Heavy atoms | 10calc.Computed value |
| Rings | 1calc.Computed value |
| Aromatic rings | 0calc.Computed value |
| Fraction sp3 carbons | 0.63calc.Computed value |
| Formal charge | 0calc.Computed value |
| Stereocentres | 0calc.Computed value |
| Lipinski rule of five | Passes (0 violations)calc.Computed value |
Calculated for screening. Confirm critical figures with the supplier.
Murcko scaffold
The ring system that remains when every side chain is removed
Safety and hazards
GHS classification summary, not a safety data sheet
No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.
GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.
Dimethylketene dimer suppliers
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Dimethylketene dimer price
Indicative price range per kg from live supplier offers
Suppliers quote this chemical on request. Send one free request and compare quotes side by side.
Uses and applications
What the substance is used for, by industry and function
Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.
Regulatory status
Inventories, regulations and trade controls that list this substance
No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.
HS code and trade data
Customs classification and reported world trade statistics
Global trade
World import and export statistics for the HS code Dimethylketene dimer is traded under.
Lactones
- United States14.2%
- India * partner reported13.5%
- Brazil8.5%
* Partner reported figures, a lower bound.
The HS code shown for Dimethylketene dimer is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.
Related chemicals
Parent and salt forms, stereoisomers, similar structures and isomers
Same formula isomers
Different compounds that share this molecular formula
![Bicyclo[2.2.1]heptane-2-carboxylic acid chemical structure, C8H12O2, CAS 824-62-4](/s/JESWDXIHOJGWBP-UHFFFAOYSA-N.svg)
Frequently asked questions
Quick answers about Dimethylketene dimer, based on the data on this page
What is Dimethylketene dimer?
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What is the molecular formula and weight of Dimethylketene dimer?
Is Dimethylketene dimer hazardous?
What is the HS code of Dimethylketene dimer?
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What is the price of Dimethylketene dimer?
Guides for buyers
Practical guides that help when you source, ship or handle Dimethylketene dimer
- Article, SourcingHow to write an RFQ that gets fast and accurate quotesWhat suppliers need to quote quickly and comparably: exact product identity, quantity and packing, delivery terms, documents, samples and payment, with a ready to use template.Read
- Guide, Trade and logisticsShipping dangerous goods: UN numbers, classes and packing groupsHow the UN dangerous goods system works for chemicals, from the nine classes and UN numbers to packing groups, UN packaging marks, labels, documents and segregation.Read
- Guide, Trade and logisticsHS codes for chemicals and why they matterHow the Harmonized System classifies chemicals, the chapters that matter, the rules for chemically defined compounds and mixtures, and practical steps to find the right code.Read
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