| Identification | Back Directory | [Name]
BHC | [CAS]
608-73-1 | [Synonyms]
dol
BHC
HCH
fbhc
gyben
kotol
gamtox
isatox
submar
dolmix
benzex
hexafor
hexamul
hexylan
BHC-Mix
trives-t
BHC Tech
latka666
bhcorhch
ent8,601
benzahex
benzanex
gamaspra
gammacide
gammacoid
hexablanc
hexachlor
ambiocide
soprocide
hexapoudre
technicalbhc
technicalhch
compound-666
mixedisomers
hch (bsi,iso)
bhc (iso,jmaf)
HCH-MIXEDISOMERS
TECHNICAL-GRADEHCH
BHC (MIXED ISOMERS)
HCH (TOTAL ISOMERS)
BENZENE HEXACHLORIDE
HCH (BHC), Technical
hexachlorocyclohexanes
lindane(bhcorhch-mixedisomers)
BHC (MIXED ISOMERS), 1GM, NEAT
benzenehexachloride,mixedisomers
1,2,3,4,5,6-hexachloro-cyclohexan
hexachlorocyclohexane(allisomers)
Cyclohexane,1,2,3,4,5,6-hexachlor
BHC (mixed isomers) 1g [608-73-1]
hexachlorocyclohexane(mixedisomers)
Hexachlorocyclohexane, isomer mixture
bhc (mixture of hexachlorocyclohexanes)
BHC (BENZENE HEXACHLORIDE), 500MG, NEAT
HCH MIXTURE OF ISOMERS (ALPHA+BETA+GAMMA
HCH ( BHC) ( technical), 100 μg/mL in methanol
1,2,3,4,5,6-hexachloro-cyclohexan(mixedisomers)
1,2,3,4,5,6-hexachlorocyclohexane(mixtureofisomers)
Hexachlorocyclohexane (mixed isomers) Technical grade | [EINECS(EC#)]
210-168-9 | [Molecular Formula]
C6H6Cl6 | [MDL Number]
MFCD00003825 | [MOL File]
608-73-1.mol | [Molecular Weight]
290.83 |
| Chemical Properties | Back Directory | [Definition]
An environmentally persistent constituent of a wide
variety of agricultural, medical, and veterinary
products. | [Appearance]
BHC is a white-to-brownish crystalline solid
with a musty, phosgene-like odor. | [form ]
Powder or Flakes | [Uses]
Insecticide. |
| Safety Data | Back Directory | [Hazard Codes ]
T,N | [Risk Statements ]
21-25-40-50/53-64-48/22-20/21 | [Safety Statements ]
22-36/37-45-60-61 | [RIDADR ]
2761 | [RTECS ]
GV4375000 | [HazardClass ]
6.1(b) | [PackingGroup ]
III | [Safety Profile]
Confirmed carcinogen
with experimental carcinogenic,
neoplastigenic, and tumorigenic data by
ingestion and skin contact. Poison by
ingestion, skin contact, and subcutaneous
routes. Human systemic effects by
inhalation: headache, nausea or vomiting,
and fever. Implicated in aplastic anemia.
Experimental reproductive effects. Mutation
data reported. Lindane is more toxic than
DDT or dieldrin. Potentially violent reaction
with dlmethylformamide + iron. When
heated to decomposition it emits highly
toxic fumes of phosgene, HCl, and Cl-. See
other benzenehexachloride entries.
A toxic organochlorine that is persistent
in the environment and accumulates in
mammalian tissue. For cattle, the oral LD50
<= 100 mg/kg. The various isomers have
dlfferent actions; the y (lindane) and a isomers are central nervous system
stimulants, the principal symptom being
convulsions. The p and A isomers are central
nervous system depressants. The use of
thermal vaporizers with lindane has caused
acute poisoning by inhalation.
mixture has been estimated at about 30 g
and the dangerous dose of lindane at about
7 to 15 g. However, as already mentioned, a
single dose of 45 mg (or approximately 0.65
mg/kg) of lindane caused convulsions.
Lindane shows a marked dfference in
toxicity to dfferent species. Its toxic effect
on laboratory animals compares favorably
with that of DDT, but for several domestic
animals, notably calves, hdane is more
toxic than DDT or Qeldrin. On a chronic
systemic basis the a, p and y isomers are
experimental carcinogens. Has been
implicated in aplastic anemia.
Dermatitis and perhaps other
manifestations based on sensitivity represent
a sort of chronic, though probably not
systemic intoxication, which has been
observed in humans.
The signs and symptoms of confirmed
acute poisoning in humans have paralleled
those in experimental animals. These signs
and symptoms are: excitation,
hyperirritability, loss of equhbrium, clonictonic
convulsions, and later depression.There is some evidence that the pulmonary edema and vascular collapse may
be of neurogenic origm also. The symptoms
in animals systemically poisoned by the yisomer
alone are essentially similar to those
caused by mixtures, although the onset may
be earlier. Workers acutely exposed to high
air concentrations of lindane and its
decomposition products show headache,
nausea, and irritation of eyes, nose, and
throat.
In rare instances, urticaria has followed
exposure to lindane vapor. Unlike the signs
and symptoms already mentioned, this
allergic manifestation occurs only in susceptible individuals, and usually only after
a period of sensitization. |
| Hazard Information | Back Directory | [General Description]
White to yellow powder or flakes. Musty odor. The gamma isomer is known as lindane, a systemic insecticide. Toxic by ingestion or inhalation. | [Reactivity Profile]
Halogenated aliphatic compounds, such as HEXACHLOROCYCLOHEXANE, are moderately or very reactive. Reactivity generally decreases with increased degree of substitution of halogen for hydrogen atoms. Materials in this group may be incompatible with strong oxidizing and reducing agents. Also, they may be incompatible with many amines, nitrides, azo/diazo compounds, alkali metals, and epoxides. | [Hazard]
Highly toxic; questionable carcinogen. | [Potential Exposure]
The major commercial usage of BHC
is based upon its insecticidal properties. α-BCH is used as
an Agricultural chemical, pesticide, pharmaceutical, and
veterinary drug. The 7-isomer has the highest acute toxic ity, but the other isomers are not without activity. It is gen erally advantageous to purify the 7-isomer from the less
active isomers. The γ-isomer acts on the nervous system of
insects, principally at the level of the nerve ganglia. As a
result, lindane has been used against insects in a wide range
of applications including treatment of animals, buildings,
humans for ectoparasites, clothes; water for mosquitoes;
living plants; seeds and soils. Some applications have been
abandoned due to excessive residues, e.g., stored food stuffs. By voluntary action, the principal domestic producer
of technical grade BHC requested cancellation of its BHC
registrations on September 1, 1976. As of July 21, 1978, all
registrants of pesticide products containing BHC voluntar ily canceled their registrations or switched their former
BHC products to lindane formulations. | [First aid]
If this chemical gets into the eyes, remove any
contact lenses at once and irrigate immediately for at least
30 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. Speed in removing material from skin
is of extreme importance. Shampoo hair promptly if con taminated. 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 medi cal attention. Give large quantities of water and induce
vomiting. Do not make an unconscious person vomit. | [Shipping]
UN2761 Organochlorine pesticides, solid, toxic,
Hazard Class: 6.1; Labels: 6.1-Poisonous materials. | [Incompatibilities]
Incompatible with oxidizers (chlorates,
nitrates, peroxides, permanganates, perchlorates, chlorine,
bromine, fluorine, etc.); contact may cause fires or explo sions. Keep away from alkaline materials, strong bases,
strong acids, oxoacids, epoxides. Decomposes on contact
with powdered iron, aluminum, zinc, and on contact with
strong bases producing trichlorobenzene. | [Waste Disposal]
A process has been developed
for the destructive pyrolysis of benzene hexachloride @
400 500℃ with a catalyst mixture which contains 5 10%
of either cupric chloride, ferric chloride; zinc chloride; or
aluminum chloride on activated carbon. |
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