MCPA

Technical MCPA

Chemical name: MCPA (ISO); (4-Chloro-2-methylphenoxy)acetic acid; 4-Chloro-o-tolyloxyacetic acid
Content: At least 97%
CAS: 94-74-6
EC: 202-360-6
UN: 3077
Transport hazard class: 9
Available packages: 25 kg, 600 kg

Usage:

The substance is used for the manufacture of plant protection products acting through weed control. In the process of manufacture of plant protection resources, proceed according to the indications given in the present material data sheet and in the instructions in force for the relevant process.

Basic physical and chemical properties:

  • Physical form: solid, as granules

  • Colour: white to creamy

  • Smell: weak, characteristic

  • pH value (saturated water solution): 2.7

  • Melting/ solidification temperature: 116.7 – 119.6 °C

  • Initial boiling temperature: 285 °C

  • Ignition temperature: 202.0 °C (open pot)

  • Flammability (solid, gas): per EEC A.10 test criteria product not flammable

  • Vapour pressure (20 °C): 4.25×10-4 Pa

  • Absolute density (20 °C): 1.407 g/ml

  • n-octanol/water partition coefficient: log P = 1.9 (for pH=4) ; -0.21 (for pH=7)

  • Autoignition temperature: 420 °C

  • Decay temperature: 285 °C

  • Explosive properties: doesn't exhibit any

  • Oxidation properties: doesn't exhibit any

  • Solubility: water 0.67 g/dm3, methanol 621.0 g/dm3, acetone 454.6 g/dm3, n-octanol 205.0 g/dm3, xylene 15.8 g/dm3