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CAS RN: 105512-06-9 | Product Number: C3552


Purity: >98.0%(N)
  • 2-Propynyl (R)-2-[4-(5-Chloro-3-fluoro-2-pyridinyloxy)phenoxy]propanoate
  • (R)-2-[4-(5-Chloro-3-fluoro-2-pyridinyloxy)phenoxy]propanoic Acid 2-Propynyl Ester
1   4  
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Product Number C3552
Purity / Analysis Method >98.0%(N)
Molecular Formula / Molecular Weight C__1__7H__1__3ClFNO__4 = 349.74  
Physical State (20 deg.C) Solid
CAS RN 105512-06-9
Reaxys Registry Number 8857008
Merck Index (14) 2370
MDL Number


Appearance White to Light yellow powder to crystal
Purity(HPLC) min. 96.0 area%
Purity(with Total Nitrogen) min. 98.0 %
Melting point 57.0 to 61.0 °C
Specific rotation [a]20/D +45.0 to +50.0 deg(C=2, Acetone)
Properties (reference)
Melting Point 59 °C
Specific Rotation 48° (C=2,Acetome)
Solubility in water Insoluble
Degree of solubility in water 4 mg/l   25 °C
Solubility (soluble in) Toluene,Acetone,Ethanol
Pictogram Pictogram Pictogram Pictogram
Signal Word Warning
Hazard Statements H302 + H332 : Harmful if swallowed or if inhaled.
H373 : May cause damage to organs through prolonged or repeated exposure.
H317 : May cause an allergic skin reaction.
H410 : Very toxic to aquatic life with long lasting effects.
Precautionary Statements P273 : Avoid release to the environment.
P260 : Do not breathe dust/ fume/ gas/ mist/ vapours/ spray.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves.
P391 : Collect spillage.
P304 + P340 + P312 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell.
Related Laws:
Transport Information:
UN Number UN3077
Class 9
Packing Group III
HS Number 2933399975
Clodinafop-propargyl: An Inhibitor of the Plastid Acetyl-Coa Carboxylase (ACC)

Clodinafop-propargyl, an herbicide, is an inhibitor of the plastid acetyl-CoA carboxylase (ACC) of grasses. It also inhibits growth of some parasites, such as Toxoplasma gondii. Reportedly, clodinafop-propargyl has low water solubility but it is very soluble in certain organic solvents, such as acetone and toluene. It hydrolyzes only slowly in water under acidic conditions but is rapidly hydrolyzed under alkaline conditions.


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