The 2-Propenoic acid,2-methyl-, potassium salt (1:1), with the CAS registry number 6900-35-2, is also known as Potassium methacrylate. Its EINECS number is 230-007-6. This chemical's molecular formula is C₄H₅O₂K and formula weight is 124.18. What's more, its systematic name is potassium 2-methylprop-2-enoate.

Physical properties of 2-Propenoic acid,2-methyl-, potassium salt (1:1) are: (1)ACD/LogP: 0.83; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.13; (4)ACD/LogD (pH 7.4): -1.94; (5)ACD/BCF (pH 5.5): 1; (6)ACD/KOC (pH 5.5): 7.32; (7)#H bond acceptors: 2; (8)#H bond donors: 1; (9)#Freely Rotating Bonds: 1; (10)Polar Surface Area: 37.3 Å²; (11)Flash Point: 74.2 °C; (12)Enthalpy of Vaporization: 43.8 kJ/mol; (13)Boiling Point: 160.5 °C at 760 mmHg; (14)Vapour Pressure: 1.23 mmHg at 25°C.

Uses of 2-Propenoic acid,2-methyl-, potassium salt (1:1): it can be used to produce 2-methyl-acrylic acid 2'-(2-methyl-acryloyloxymethyl)-[1,1']binaphthalenyl-2-ylmethyl ester. It will need reagent Bu₄NBr, phenothiazine and solvent dimethylformamide. The yield is about 91%.

When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you need rinse immediately with plenty of water and seek medical advice. When using it, you must wear suitable protective clothing, gloves and eye/face protection.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: CC(=C)C(=O)[O-].[K+]
(2)InChI: InChI=1S/C4H6O2.K/c1-3(2)4(5)6;/h1H2,2H3,(H,5,6);/q;+1/p-1
(3)InChIKey: LLLCSBYSPJHDJX-UHFFFAOYSA-M