1,1-Cyclopropanedicarboxylic acid is an organic compound with the formula C₅H₆O₄, and its systematic name is the same with the product name. With the CAS registry number 598-10-7, it is also named as Cyclopropane-1,1-dicarboxylic acid. It belongs to the product categories of Carboxylic Acids; Organic acids; Cyclopropanes; Simple 3-Membered Ring Compounds; Carboxylic Acids; Ring Systems; C1 to C5; Carbonyl Compounds. Its EINECS number is 209-917-2. In addition, the molecular weight is 130.10.

Physical properties of 1,1-Cyclopropanedicarboxylic acid are: (1)ACD/LogP: -0.768; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -4.69; (4)ACD/LogD (pH 7.4): -5.50; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 1.00; (8)ACD/KOC (pH 7.4): 1.00; (9)#H bond acceptors: 4; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 74.6 Å²; (13)Index of Refraction: 1.597; (14)Molar Refractivity: 25.955 cm³; (15)Molar Volume: 76.169 cm³; (16)Polarizability: 10.289×10^-24cm³; (17)Surface Tension: 100.657997131348 dyne/cm; (18)Density: 1.708 g/cm³; (19)Flash Point: 192.54 °C; (20)Enthalpy of Vaporization: 67.902 kJ/mol; (21)Boiling Point: 371.307 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25°C.

Preparation: this chemical can be prepared by 5,7-diaza-spiro[2.5]octane-4,6,8-trione at the temperature of 85 °C. This reaction will need reagent 0.2 N NaOH with the reaction time of 4 hours. The yield is about 77%.

Uses of 1,1-Cyclopropanedicarboxylic acid: it can be used to produce 1,1-Bis(trifluormethyl)cyclopropan at the temperature of 120 °C. It will need reagent SF₄ with the reaction time of 24 hours. The yield is about 59%.

When you are using this chemical, please be cautious about it as the following:
This chemical can cause burns. It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it, you need to wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, you must seek medical advice immediately (show the label where possible).

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(O)C1(C(=O)O)CC1
(2)Std. InChI: InChI=1S/C5H6O4/c6-3(7)5(1-2-5)4(8)9/h1-2H2,(H,6,7)(H,8,9)
(3)Std. InChIKey: FDKLLWKMYAMLIF-UHFFFAOYSA-N