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Common Name
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Glyphosate
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IUPAC Name
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N-(phosphonomethyl)glycine
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CAS Number
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1071-83-6 (glyphosate); 81591-81-3 (trimesium salt); 70901-12-1 (potassium salt); 38641-94-0 (isopropylamine salt); 69254-40-6 (diammonium salt)
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Structural Formula
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Physical and Chemical Characteristics
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M.f. : C3H8NO5P
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Mol. Wt. : 169.1
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Form : Odourless, white crystals.
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M.p.: Decomp. 200 °C
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B.p. : N/A
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V.p. : 1.31 × 10-2 mPa (25 °C)
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Kow ：logP <-3.2 (pH 2-5, 20 °C), (OECD 107; EEC A8)
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Henry : <2.1 × 10-7 Pa m3 mol-1 (calc.)
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S.g./density: 1.705 (20 °C)
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Solubility:
Glyphosate and all its salts are non-volatile, do not photochemically degrade in buffered water and are stable in air. Glyphosate is stable to hydrolysis at pH 3, 6 and 9 (5-35 °C)
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Stability:
Glyphosate and all its salts are non-volatile, do not photochemically degrade in buffered water and are stable in air. Glyphosate is stable to hydrolysis at pH 3, 6 and 9 (5-35 °C).
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pKa: 2.34 (20 °C), 5.73 (20 °C), 10.2 (25 °C)
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F.p.：Not flammable
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Specification
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Glyphosate content, % ≥ 95.0
Formaldehyde content, % ≤ 1.3
Nitrosoglyphosate, ppm ≤1.0
NaOH Insoluble, % ≤0.2
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