The CAS register number of 2H-Pyran-2,6(3H)-dione,dihydro-3,3-dimethyl- is 2938-48-9. It also can be called as 2,2-Dimethylglutaric anhydride and the IUPAC name about this chemical is 3,3-dimethyloxane-2,6-dione. The molecular formula about this chemical is C₇H₁₀O₃ and the molecular weight is 142.15. It belongs to the following product categories which include Anhydride Monomers; Monomers; Polymer Science and so on.

Physical properties about 2H-Pyran-2,6(3H)-dione,dihydro-3,3-dimethyl- are: (1)ACD/LogP: 0.12; (2)ACD/LogD (pH 5.5): 0.12; (3)ACD/LogD (pH 7.4): 0.12; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 27.55; (7)ACD/KOC (pH 7.4): 27.55; (8)#H bond acceptors: 3; (9)Polar Surface Area: 43.37 Å²; (10)Index of Refraction: 1.444; (11)Molar Refractivity: 34.24 cm³; (12)Molar Volume: 128.9 cm³; (13)Polarizability: 13.57x10^-24cm³; (14)Surface Tension: 32.4 dyne/cm; (15)Density: 1.102 g/cm³; (16)Flash Point: 104.9 °C; (17)Enthalpy of Vaporization: 50.51 kJ/mol; (18)Boiling Point: 267.1 °C at 760 mmHg; (19)Vapour Pressure: 0.0083 mmHg at 25 °C.

Uses of 2H-Pyran-2,6(3H)-dione,dihydro-3,3-dimethyl-: it can be used to produce 3,3-dimethyl-piperidine-2,6-dione. This reaction will need reagent of NH₄OH. The yield is about 85%.

When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to eyes, respiratory system and skin and it may cause inflammation to the skin or other mucous membranes. If you want to use it, wear suitable gloves and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. This material may have harm to the environment, especially the water should be given attention. If you want to store it, you should keep the container tightly sealed in dry, cool places. If you store and use this chemical according the rule, it will not be decomposed.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C1OC(=O)CCC1(C)C
(2)InChI: InChI=1/C7H10O3/c1-7(2)4-3-5(8)10-6(7)9/h3-4H2,1-2H3
(3)InChIKey: PAVNZLVXYJDFNR-UHFFFAOYAX
(4)Std. InChI: InChI=1S/C7H10O3/c1-7(2)4-3-5(8)10-6(7)9/h3-4H2,1-2H3
(5)Std. InChIKey: PAVNZLVXYJDFNR-UHFFFAOYSA-N