| Identification | More | [Name]
CHLOROBENZILATE | [CAS]
510-15-6 | [Synonyms]
ACARBEN(R)
AKAR(R)
CHLORBENZILAT
CHLOROBENZILATE
ETHYL 4,4'-DICHLOROBENZILATE
FOLBEX(R)
G 23992
KOP-MITE
WOPROSILAN
4,4’-dichlorbenzilsaeureaethylester
4,4’-dichlorobenzilate
4,4’-dichlorobenzilicacidethylester
4,4’-dichloro-benzilicaciethylester
4,4'-Dichlorbenzilsaeureaethylester
4,4'-Dichlorobenzilate
4,4'-Dichlorobenzilic Acid ethyl ester
4-chloro-alpha-(4-chlorophenyl)-alpha-hydroxybenzeneaceticacidethylester
4-chloro-alpha-(4-chlorophenyl)-alpha-hydroxy-benzeneaceticaciethylest
4-chloro-alpha-(4-chlorophenyl)-alpha-hydroxy-benzeneaceticaciethylester
Acar | [EINECS(EC#)]
208-110-2 | [Molecular Formula]
C16H14Cl2O3 | [MDL Number]
MFCD00055312 | [Molecular Weight]
325.19 | [MOL File]
510-15-6.mol |
| Chemical Properties | Back Directory | [Appearance]
Ethyl 4,40
-dichlorobenzilate is a yellow solid
when pure. The technical product is a brownish liquid. | [Melting point ]
37-38℃ | [Boiling point ]
bp0.04 146-148° | [density ]
1.332 | [refractive index ]
1.5727 | [storage temp. ]
0-6°C | [form ]
neat | [pka]
11.11±0.29(Predicted) | [Stability:]
Stable. Combustible. Incompatible with strong oxidizing agents, strong acids, alkalies, lime. | [Water Solubility ]
13mg/L(20 ºC) | [Merck ]
13,2141 | [CAS DataBase Reference]
510-15-6(CAS DataBase Reference) | [IARC]
3 (Vol. 30, Sup 7) 1987 | [EPA Substance Registry System]
Chlorobenzilate (510-15-6) |
| Safety Data | Back Directory | [Hazard Codes ]
Xn,N,T | [Risk Statements ]
R22:Harmful if swallowed.
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R63:Possible risk of harm to the unborn child.
R43:May cause sensitization by skin contact.
R36/37/38:Irritating to eyes, respiratory system and skin .
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
R45:May cause cancer. | [Safety Statements ]
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S36/37:Wear suitable protective clothing and gloves .
S24/25:Avoid contact with skin and eyes .
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
S53:Avoid exposure-obtain special instruction before use . | [RIDADR ]
UN 1593 6.1/PG 3 | [WGK Germany ]
3 | [RTECS ]
DD2275000 | [HS Code ]
29181800 | [Safety Profile]
Suspected carcinogen
with experimental carcinogenic,
neoplastigenic, and tumorigenic data.
Moderately toxic by ingestion. A skin and
eye irritant. A pesticide. When heated to
decomposition it emits toxic fumes of Cl-. | [Hazardous Substances Data]
510-15-6(Hazardous Substances Data) | [Toxicity]
LD50 in male, female rats (mg/kg): 1040, 1220 orally (Gaines) |
| Hazard Information | Back Directory | [General Description]
Viscous yellow liquid or pale yellow crystals. Light brown crystalline solid. | [Reactivity Profile]
CHLOROBENZILATE(510-15-6) is hydrolyzed by alkalis and strong acids. Incompatible with lime . | [Air & Water Reactions]
Insoluble in water. | [Potential Exposure]
It is a buffer in many chemical intermediates; an organochlorine miticide; to kill mites, ticks,
and other insects; as a synergist for DDT.
Incompatibilities: Strong acids, strong bases; lime. | [Fire Hazard]
Flash point data for this chemical are not available; however, CHLOROBENZILATE is probably combustible. | [First aid]
If this chemical gets into the eyes, remove any
contact lenses at once and irrigate immediately for at least
15 minutes, occasionally lifting upper and lower lids. Seek
medical attention immediately. If this chemical contacts the
skin, remove contaminated clothing and wash immediately
with soap and water. Seek medical attention immediately.
If this chemical has been inhaled, remove from exposure,
begin rescue breathing (using universal precautions,
including resuscitation mask) if breathing has stopped and
CPR if heart action has stopped. Transfer promptly to a
medical facility. When this chemical has been swallowed,
get medical attention. Give large quantities of water and
induce vomiting. Do not make an unconscious person
vomit. | [Shipping]
UN2996 Organochlorine pesticides, liquid, toxic,
Hazard Class: 6.1; Labels: 6.1-Poisonous materials.UN2761
Organochlorine pesticides, solid, toxic, Hazard Class: 6.1;
Labels: 6.1-Poisonous materials. | [Description]
Chlorobenzilate is an organochlorine pesticide belonging to
the same class as dichlorodiphenyltrichloroethane (DDT).
It was originally developed by Ciba–Geigy and introduced
in 1952. | [Chemical Properties]
Ethyl 4,40
-dichlorobenzilate is a yellow solid
when pure. The technical product is a brownish liquid. | [Chemical Properties]
viscous yellow liquid or pale yellow crystals | [Waste Disposal]
Consult with environmental
regulatory agencies for guidance on acceptable disposal
practices. Generators of waste containing this contaminant
(≥100 kg/mo) must conform to EPA regulations governing
storage, transportation, treatment, and waste disposal. In
accordance with 40CFR165, follow recommendations for
the disposal of pesticides and pesticide containers. Must be
disposed properly by following package label directions or
by contacting your local or federal environmental control
agency, or by contacting your regional EPA office. | [Uses]
Acaricide in spider-mite control; synergist for DDT. | [Uses]
Nonsystemic pesticide and acaricide. | [Uses]
The primary use of chlorobenzilate is as an acaricide for mite
control on citrus crops and in beehives. It has a narrow
insecticidal action, killing only mites and ticks. Historically,
chlorobenzilate was used as a synergist for DDT. Although
now banned for use in the United States and Europe, it is
believed to be used on crops other than citrus in other
countries. | [Definition]
ChEBI: Chlorobenzilate is a diarylmethane. | [Health Hazard]
Moderately toxic by oral route; toxic symptoms similar to DDT and Perthane; ingestionof large dose can produce nausea, vomiting,tremor and convulsions; skin or eye contactcan cause irritation; application of 25 mgproduced moderate irritation of eye inrabbits; adequate evidence of carcinogenicityin experimental animals; produced tumors inrats and mice; evidence of carcinogenicity inhumans remains unknown.
LD50 oral (rat): 700 mg/kg
LD50 oral (mouse): 729 mg/kg. | [Environmental Fate]
Biological. Rhodotorula gracilis, a yeast isolated from an insecticide-treated soil,
degraded chlorobenzilate in a basal medium supplemented by sucrose. Metabolites identified by this decarboxylation process were 4,4′-dichlorobenzilic acid, 4,4′-dichlorobenzophenone and carbon dioxide (Miyazaki et al., 1969, 1970).
Soil. Though no products were identified, the half-life of chlorobenzilate in two fine
sandy soils was estimated to be 1.5–5 weeks (Wheeler, 1973).
Photolytic. Chlorobenzilate should not undergo direct photolysis since it does not
absorb UV light at wavelengths greater than 290 nm (Gore et al., 1971). | [storage]
Color Code—Blue: Health Hazard/Poison: Storein a secure poison location. Prior to working with thischemical you should be trained on its proper handling andstorage. Store in tightly closed containers in a cool, wellventilated area away from strong acids, strong bases. Wherepossible, automatically pump liquid from drums or otherstorage containers to process containers. Sources of ignitionare prohibited where this chemical is used, handled, orstored. A regulated, marked area should be establishedwhere this chemical is handled, used, or stored in compliance with OSHA Standard 1910.1045. | [Toxicity evaluation]
The historical use of chlorobenzilate resulted in its release into
the environment. It has low water solubility (log Kow = 4.74)
and adsorbs strongly to sediment and suspended particulate
matter in aquatic environments. Chlorobenzilate has low soil
mobility due to an estimated Koc of 1500 and thus is not
expected to leach into groundwater. Decomposition via
photolysis or hydrolysis is not considered significant. The halflife
of chlorobenzilate in fine sandy soils was estimated to be
10–35 days, with degradation being primarily microbial. In
silty clay loam and clay soils, the half-life of chlorobenzilate
was estimated to be 10.8–15.1 and 29.5–169.1 days, respectively.
Volatilization from water or soil is not appreciable due
to an estimated Henry’s law constant of 7.2 atmm3 mol-1. If
released into air, chlorobenzilate will exist in both vapor and particulate phases. The half-life of vapor-phase chlorobenzilate
in ambient air was estimated to be 3.2 days. Chlorobenzilate in
the particulate phase is expected to be removed from the
atmosphere by wet or dry deposition. There is no evidence for
long-range transport of chlorobenzilate. Bioaccumulation in
aquatic organisms is moderate to high due to a reported bioconcentration
factor range of 224–709 in fish. | [Incompatibilities]
Strong acids, strong bases, lime |
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