The IUPAC name of this hcemical is 2,6-dihydroxybenzoic acid. With the CAS registry number 303-07-1, it is also named as gamma-Resorcylic acid. The product's categories are Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts; Organic Acids. It is off-white crystalline powder which is soluble in alcohol, ether and hot water. Additioanlly, this chemical should be sealed in the container and avoided direct sunshine.

The other characteristics of this product can be summarized as: (1)ACD/LogP: 2.38; (2)# of Rule of 5 Violations: 0; (3)ACD/BCF (pH 5.5): 1; (4)ACD/BCF (pH 7.4): 1; (5)ACD/KOC (pH 5.5): 1; (6)ACD/KOC (pH 7.4): 1; (7)#H bond acceptors: 4; (8)#H bond donors: 3; (9)#Freely Rotating Bonds: 3; (10)Index of Refraction: 1.671; (11)Molar Refractivity: 36.946 cm³; (12)Molar Volume: 98.823 cm³; (13)Polarizability: 14.647×10^-24 cm³; (14)Surface Tension: 84.283 dyne/cm; (15)Enthalpy of Vaporization: 62.008 kJ/mol; (16)Vapour Pressure: 0 mmHg at 25°C; (17)Rotatable Bond Count: 1; (18)Tautomer Count: 7; (19)Exact Mass: 154.026609; (20)MonoIsotopic Mass: 154.026609; (21)Topological Polar Surface Area: 77.8; (22)Heavy Atom Count: 11; (23)Complexity: 147.

The preparation method of 2,6-Dihydroxybenzoic acid: Firstly, dissolving resorcinol in ethanol and adding anhydrous potassium carbonate in this solution. Secondly, heating to 140 °C and access to carbon dioxide to react 4h. After reaction, we can get the mixture on of 2,6-dihydroxybenzoic acid and 2,4-dihydroxybenzoic acid mixture. Through the separation and filtration, we can get the product of 2,6-Dihydroxybenzoic acid.

Uses of 2,6-Dihydroxybenzoic acid: It is mainly used as intermediate of pesticide, pharmaceutical and herbicide. It also can react with methanol to get 2,6-dihydroxy-benzoic acid methyl ester. This reaction needs reagent hydrogen chloride.

When you are using this chemical, please be cautious about it as the following:
It is trritating to eyes, respiratory system and skin. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If you want to contact this product, you must wear suitable protective clothing.

People can use the following data to convert to the molecule structure.
1. SMILES:c1cc(c(c(c1)O)C(=O)O)O
2. InChI:InChI=1/C7H6O4/c8-4-2-1-3-5(9)6(4)7(10)11/h1-3,8-9H,(H,10,11)
3. InChIKey:AKEUNCKRJATALU-UHFFFAOYAG

The following are the toxicity data which has been tested.