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Sodium 5-Nitroguaiacolate (129075), Sodium o-Nitrophenolate (129076), Sodium p-Nitrophenolate (129077) Fact Sheet

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Issued: 8/01

On This Page

  1. Description of the Active Ingredient
  2. Use Sites, Target Pests, And Application Methods
  3. Assessing Risks to Human Health
  4. Assessing Risks to the Environment
  5. Regulatory Information
  6. Registrant Information
  7. Additional Contact Information

Summary

These nitrophenolates occur naturally in plants, where they act as growth regulators. When used as growth enhancers, these substances do not present any known risks to humans or the environment.

  1. Description of the Active Ingredient

    2. Active Ingredient Name: Sodium 5-Nitroguaiacolate
    OPP Chemical Code: 129075; (CAS # 67233-85-6)

    Active Ingredient Name: Sodium o-Nitrophenolate
    OPP Chemical Code: 129076; (CAS # 824-39-5)

    Active Ingredient Name: Sodium p-Nitrophenolate
    OPP Chemical Code: 129077; (CAS # 824-78-2)

    The three active ingredients above (nitrophenolates) are plant growth regulators that occur in plants. They are similar to each other in structure, toxicity, and in how they affect plants. When applied to plants, these three nitrophenolates are rapidly converted to other chemicals naturally found in plants. Researchers have proposed that these active ingredients stimulate plant growth by altering the activity of two specific enzymes found in plants.

  2. Use Sites, Target Pests, And Application Methods

  3. Assessing Risks to Human Health

    4. No adverse effects to humans are expected from use of pesticide products containing these nitrophenolates. First, plants rapidly convert these nitrophenolates to other harmless natural substances. Second, the tiny amounts applied to crops do not affect the exposure of people who eat the treated crops. (In high concentrations, these nitrophenolates are eye irritants.)

  4. Assessing Risks to the Environment

    5. Toxicity tests on various species showed that no harmful effects are expected from use of these nitrophenolates as plant growth regulators. Used only in tiny amounts, the active ingredients are rapidly converted to harmless other natural substances.

  5. Regulatory Information

    6. The three active ingredients above were registered (licensed for sale and distribution) in 1995 for use in pesticide products. As of August 2000, there was one pesticide end product that used tiny amounts of each of these nitrophenolates.

  6. Registrant Information

    7. E.M. Bellet, PhD, Consultant
    Chemical Consultants International, Inc.
    16160 Nall
    Stilwell, Kansas 66085

  7. Additional Contact Information

    8. Ombudsman, Biopesticides and Pollution Prevention Division (7511P)
    Office of Pesticide Programs
    Environmental Protection Agency
    1200 Pennsylvania Avenue, NW
    Washington, D.C. 20460

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