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Salicylic acid 99%TC

The physiological effects of salicylic acid in plants are also widely manifested in the regulation of physiological processes such as plant growth, development, maturity, and aging, as well as the induction of stress responses such as salt resistance, drought resistance, low-temperature resistance, ultraviolet resistance, and heavy-metal resistance.
CAS Number: 69-72-7

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Common English Name: SA (Salicylic acid)
Trade Name: Salicylic acid
Chemical Name: 2-Hydroxybenzoic acid
CAS Number: 69-72-7
Molecular Formula: C₇H₆O₃
Relative Molecular Mass: 138.12

Physicochemical Properties

The pure substance appears as white needle-like crystals or powder with a characteristic phenolic-acid odor. It has a melting point of 157–159°C; it is sparingly soluble in cold water but readily soluble in hot water, ethanol, and acetone. It is stable in air but gradually changes color upon exposure to light.
Toxicity: Low toxicity
Main Formulation: 99% Salicylic acid technical grade

Functional Characteristics

Salicylic acid is a metabolite of phenylalanine and a novel natural phenolic plant regulator; it serves as a crucial endogenous signaling molecule that activates plant hypersensitive responses and systemic acquired resistance. Within the plant, it plays a wide range of physiological roles, including regulating processes such as growth, development, maturation, and senescence, as well as inducing stress-response mechanisms against salinity, drought, low temperatures, ultraviolet radiation, and heavy metals.


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