IUPAC Name: 3,3-Dimethyloxolane-2,5-dione 
Following is the structure of 2,2-Dimethylsuccinic anhydride (CAS NO.17347-61-4):
                     
Empirical Formula: C₆H₈O₃
Molecular Weight: 128.1259 g/mol
Molar Refractivity: 29.63 cm³
Molar Volume: 111.1 cm³
Density: 1.152 g/cm³
Flash Point: 96.9 °C
Melting point: 26-30 °C
Index of Refraction: 1.445
Surface Tension: 33.5 dyne/cm
Enthalpy of Vaporization: 45.67 kJ/mol
Boiling Point: 220.2 °C at 760 mmHg
Vapour Pressure: 0.114 mmHg at 25 °C
Product Categories of 2,2-Dimethylsuccinic anhydride (CAS NO.17347-61-4): Anhydride Monomers; Monomers; Polymer Science
Appearance of 2,2-Dimethylsuccinic anhydride (CAS NO.17347-61-4): white low melting solid
Canonical SMILES: CC1(CC(=O)OC1=O)C
InChI: InChI=1S/C6H8O3/c1-6(2)3-4(7)9-5(6)8/h3H2,1-2H3
InChIKey: ACJPFLIEHGFXGP-UHFFFAOYSA-N

 2,2-Dimethylsuccinic anhydride (CAS NO.17347-61-4) hasn't been listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.

Hazard Codes: Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39:Wear suitable gloves and eye/face protection.
WGK Germany: 3
HazardClass: IRRITANT, MOISTURE SENSITIVE

 2,2-Dimethylsuccinic anhydride , its cas register number is 17347-61-4. It also can be called Dihydro-3,3-dimethylfuran-2,5-dione ; and 2,5-furandione, dihydro-3,3-dimethyl- . 
 2,2-Dimethylsuccinic anhydride (CAS NO.17347-61-4) is not compatible with strong oxidizing agents, acids, bases. It should avoid the condition of incompatible materials, exposure to moist air or water. And also prevent it to broken down into hazardous decomposition products: carbon monoxide, oxides of phosphorus, carbon dioxide. While, its hazardous polymerization has not been reported. In addition, 2,2-Dimethylsuccinic anhydride (CAS NO.17347-61-4) should be stored in a tightly closed container, stored in a cool, dry, well-ventilated area away from incompatible substances, or stored protected from moisture.