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2,4,5-Trichlorophenol Structure

2,4,5-Trichlorophenol

Chemical Properties

Melting point 64-67 °C 67-69 °C (lit.)
Boiling point 248 °C/740 mmHg (lit.)
Density  1,678 g/cm3
vapor pressure  3.5 at 8 °C, 22 at 25 °C (quoted, Leuenberger et al., 1985a)
refractive index  1.5300 (estimate)
Flash point 253°C
storage temp.  2-8°C
solubility  Soluble in ethanol and ligroin (U.S. EPA, 1985)
pka pK1:7.37 (25°C)
form  Powder
color  Colorless needles or gray flakes from pet ether
Odor strong phenolic odor
Water Solubility  947.8mg/L(25 ºC)
Merck  14,9643
BRN  607569
Henry's Law Constant 1.76 at 25 °C (estimated, Leuenberger et al., 1985a)
Stability Stable. Note that this material creates dioxin in alkaline media at elevated temperatures.
CAS DataBase Reference 95-95-4(CAS DataBase Reference)
NIST Chemistry Reference Phenol, 2,4,5-trichloro-(95-95-4)
EPA Substance Registry System 2,4,5-Trichlorophenol (95-95-4)

Safety Information

Hazard Codes  Xn,N,Xi,T,F
Risk Statements  22-36/38-50/53-52/53-39/23/24/25-23/24/25-11-51/53
Safety Statements  26-28-60-61-28A-45-36/37-16
RIDADR  UN 3077 9/PG 3
WGK Germany  3
RTECS  SN1400000
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  29081990
Hazardous Substances Data 95-95-4(Hazardous Substances Data)
Toxicity Acute oral LD50 for guinea pigs 1,000 mg/kg, mice 600 mg/kg, rats 820 mg/kg (quoted, RTECS, 1985).

MSDS

Usage And Synthesis

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