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HomeProduct name listMCPB

MCPB

Synonym(s):4-(4-Chloro-o-tolyloxy)butyric acid;4-(4-Chloro-2-methylphenoxy)butyric acid

  • CAS NO.:94-81-5
  • Empirical Formula: C11H13ClO3
  • Molecular Weight: 228.67
  • MDL number: MFCD00002820
  • EINECS: 202-365-3
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:08:57
MCPB Structural

What is MCPB?

Chemical properties

Colorless crystal; melts at 100 °C (212 °F);practically insoluble in water (44 mg/L at25 °C/77 °F); readily dissolves in most organicsolvents.

The Uses of MCPB

MCPB is used for research regarding herbicides to control weed in crop field.

The Uses of MCPB

Herbicide.

What are the applications of Application

MCPB is used for research regarding herbicides

Definition

ChEBI: A monocarboxylic acid that is butyric acid substituted by a 2-methyl-4-chlorophenoxy group at position 4.

Hazard

Toxic by ingestion.

Health Hazard

MCPB is structurally similar to 2,4-DB,except one methyl group substituting a Clatom in the ring. Toxic properties and thesymptoms are similar to 2,4-DB. It is mod-erately toxic by ingestion and possibly otherroutes of exposure. Skin contact can causeirritation.
LD50 oral (rat): 680 mg/kg
LD50 oral (mouse): 800 mg/kg.

Agricultural Uses

Herbicide: A metabolite of MCPA (see above). MCPB is a phenoxy herbicide produced as a sodium salt and an acid. Herbicide registered for use on peas prior to flowering. There are no residential uses of MCBP. Target organisms: post-emergence control of Canadian thistle, buttercup, mustard, purslane, ragweed, common lambsquarters, pigweed, smartweed, sowthistle, morning glory and other broad leaf weeds[83] .

Trade name

2 M-4Kh-M; 2M4KhM; 2 M-4XM; 4MCPB; BEXANE; BEXONE; U46 MCPB; LEGUMEX; PDQ; THITROL; TRIFOLEX; TRITROL; TROTOX

Properties of MCPB

Melting point: 101-102℃ (ligroine )
Boiling point: 327.31°C (rough estimate)
Density  1.2076 (rough estimate)
refractive index  1.4530 (estimate)
storage temp.  0-6°C
pka 4.58±0.10(Predicted)
form  neat
Water Solubility  44mg/L(room temperature)
BRN  2215202
EPA Substance Registry System MCPB (94-81-5)

Safety information for MCPB

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
ghs
Environment
GHS09
GHS Hazard Statements H302:Acute toxicity,oral
H410:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P273:Avoid release to the environment.

Computed Descriptors for MCPB

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