Hexachlorophene

Name	2,2'-methylenebis(3,4,6-trichloro-phenol)
Synonyms	NSC 9887 NSC 49115 Hexachlorophene Hexachlorophene (500 mg) 4-Amino-1,5-dimethylpyrazole 2HCl 6,6'-Methylenebis(2,4,5-trichlorophenol) 2,2'-methylenebis(3,4,6-trichloro-phenol) 2,2',3,3',5,5'-Hexachloro-6,6'-dihydrosydiphenylmethane 2,2',3,3',5,5'-Hexachloro-6,6'-dihydroxydiphenylmethane 3,3',5,5',6,6'-Hexachloro-2,2'-dihydroxydiphenylmethane2,2'-Methylenebis(3,4,6-trichlorophenol)
CAS	70-30-4
EINECS	200-733-8
InChI	InChI=1/C13H6Cl6O2/c14-6-2-8(16)12(20)4(10(6)18)1-5-11(19)7(15)3-9(17)13(5)21/h2-3,20-21H,1H2

Molecular Formula	C13H6Cl6O2
Molar Mass	406.9
Density	1.6065 (rough estimate)
Melting Point	163-165°C(lit.)
Boling Point	519.9°C (rough estimate)
Flash Point	11°C
Water Solubility	19mg/L(25 ºC)
Vapor Presure	1.72E-09mmHg at 25°C
Appearance	crystalline
Color	off-white to tan
Maximum wavelength(λmax)	['300nm(MeOH)(lit.)']
Merck	14,4680
BRN	2064407
pKa	pKa 4.89 ± 0.02(H2O,t = 25.0±0.1,I=0.1(NaCl)) (Uncertain)
Storage Condition	2-8°C
Stability	Stable. Incompatible with alkalies, akaline earths, tweens, strong oxidizers.
Refractive Index	1.5550 (estimate)
Physical and Chemical Properties	White or microstrip yellow crystalline powder not. Melting point 164-165 °c. Soluble in alcohol, ether, acetone, chloroform, propylene glycol, polyethylene glycol, olive oil, cottonseed oil and dilute alkali liquid, the actual insoluble in water. No odor or micro-band phenol odor.
In vitro study	Hexachlorophene, the active ingredient of prescription drugs, is a potent activator of the KCNQ channel. It has a potentiating effect on KCNQ1 and KCNQ1/KCNE1 complexes. Hexachlorophene can effectively enhance the current amplitude of the KCNQ1/KCNE1 channel by stabilizing it in the open state, with an EC50 of 4.61±1.29 μm. In cardiomyocytes, 1 μm Hexachlorophene significantly shortened the action potential duration. In addition, Hexachlorophene can restore the function of long QT syndrome (LQTs) mutations.

Risk Codes	R24/25 - R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R39/23/24/25 - R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R11 - Highly Flammable R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Description	S20 - When using, do not eat or drink. S37 - Wear suitable gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S36/37 - Wear suitable protective clothing and gloves. S16 - Keep away from sources of ignition.
UN IDs	UN 2875 6.1/PG 3
WGK Germany	3
RTECS	SM0700000
HS Code	29072990
Hazard Class	6.1(b)
Packing Group	III
Toxicity	LD50 in adult male, female rats (mg/kg): 66, 57 orally (Gaines, Linder)

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