NTP CHEMICAL REPOSITORY (RADIAN CORPORATION, AUGUST 29, 1991)

PARAQUAT DICHLORIDE TRIHYDRATE




IDENTIFIERS





CATALOG ID NUMBER: 001686

CAS NUMBER: 1910-42-5

BASE CHEMICAL NAME: PARAQUATDICHLORIDETRIHYDRATE

PRIMARY NAME: PARAQUAT DICHLORIDE TRIHYDRATE

CHEMICAL FORMULA: C12H14N2.2Cl.3H2O

STRUCTURAL FORMULA: Not printable

WLN: T6NJ A1 D- DT6NJ A1 8 QH 3 - CEH

SYNONYMS:
METHYL VIOLOGEN DICHLORIDE HYDRATE
1,1'-DIMETHYL-4,4-BIPYRIDINIUM DICHLORIDE
METHYL VIOLOGEN DICHLORIDE TRIHYDRATE





PHYSICAL CHEMICAL DATA





PHYSICAL DESCRIPTION: LITERATURE: Colorless crystals
REPOSITORY: Off-white solid

MOLECULAR WEIGHT: 257.17

SPECIFIC GRAVITY: Not available

DENSITY: 1.24-1.26 g/mL @ 20 C [168]

MP (DEG C): >300 C (decomposes) [025,269]

BP (DEG C): Not available

SOLUBILITIES:
WATER : >=100 mg/mL @ 19 C (RAD)

DMSO : <1 mg/mL @ 19 C (RAD)

95% ETHANOL : <1 mg/mL @ 19 C (RAD)

METHANOL : Slightly soluble [025]

ACETONE : <1 mg/mL @ 19 C (RAD)

TOLUENE : Not available

OTHER SOLVENTS:
Lower alcohols: Slightly soluble [031,421]
Hydrocarbons: Insoluble [031,421]

VOLATILITY:
Vapor pressure: Not available
Vapor density : Not available

FLAMMABILITY(FLASH POINT):
Literature sources indicate that this compound is non-flammable [102,421].
Fires involving this compound can be controlled using a carbon dioxide, dry
chemical or Halon extinguisher.

UEL: Not available LEL: Not available

REACTIVITY:
This compound is corrosive to metal and it can react with strong acids, bases,
and oxidizing agents [031,168,269,102]. It is hydrolyzed by alkali compounds
and it is inactivated by inert clays and anionic surfactants [031,168].

STABILITY:
This material is stable in acidic media, but unstable in alkaline media. It
is photochemically decomposed by UV irradiation in aqueous solutions and is
rapidly inactivated by soil [168,186]. The neat chemical may be sensitive to
light.

OTHER PHYSICAL DATA:
Odorless
Non-volatile





TOXICITY





NIOSH REGISTRY NUMBER: DW2275000

TOXICITY:

       typ. dose    mode     specie      amount     units     other

         LD50       orl       mus         120       mg/kg

         LD50       orl       dog          25       mg/kg

         TDLo       orl       man          32       mg/kg

         LDLo       orl       man          43       mg/kg

         LD50       orl       rat          57       mg/kg

         LD50       skn       rat          80       mg/kg

         LD50       ipr       rat          26       mg/kg

         LD50       scu       rat          24       mg/kg

         LD50       ivn       rat          21       mg/kg

         LD50       ipr       mus          30       mg/kg

         LD50       ivn       mus         180       mg/kg

         LD50       orl       mky          50       mg/kg

         LD50       orl       cat          48       mg/kg

         LD50       skn       rbt         325       mg/kg

         LD50       skn       rbt         236       mg/kg

         LD50       orl       gpg          22       mg/kg

         LD50       ipr       gpg           3       mg/kg

         LD50       orl       ckn         362       mg/kg

         LD50       orl       dck         199       mg/kg

         LD50       skn       dck         600       mg/kg

         LDLo       orl       wmn        3000       mg/kg

         LDLo       ivn       dog       34500       ug/kg

         LDLo       orl       wmn         200       mg/kg

         LD50       orl       cat          35       mg/kg

         LD50       ipr       rbt          18       mg/kg

         LD50       orl       pig          30       mg/kg

         LD50       orl       dom          30       mg/kg

         LD50       ivn       dom           1       mg/kg


AQTX/TLM96: 100-10 ppm

SAX TOXICITY EVALUATION:
THR: HIGH oral, skin, intraperitoneal, subcutaneous, intravenous. An experi-
mental teratogen. It is a highly toxic bipyridyl herbicide which is absorbed
by the skin, by inhalation or ingestion. Has a delayed damaging effect on the
lung alveoli. Has caused fatal poisoning in humans with severe injury to the
lungs. Has been implicated in aplastic anemia. MILD rabbit eye irritation.
MUTATION data.

CARCINOGENICITY: Not available

MUTATION DATA:

      test          lowest dose      |       test          lowest dose

   -----------   -----------------   |    -----------   -----------------

   mmo-sat        2500 ng/plate      |    dns-hmn:fbr      20 mg/L

   mma-sat          20 ug/plate      |    dni-rat-orl     126 mg/kg

   dnr-sat         100 ug/plate      |    oms-rat-orl     126 mg/kg

   mmo-omi        1000 ppm           |    mrc-smc         100 ppm

   mmo-asn         400 ug/plate      |    cyt-ham:lng       3 mmol/L

   sce-ham:fbr       1 mmol/L        |    sce-ham:lng     100 umol/L

   oms-ckn:lvr      50 mg/L          |


TERATOGENICITY:
Reproductive Effects Data:
TDLo ipr-rat 6500 ug/kg(6D preg)
TDLo ipr-mus 30150 ug/kg(8-16D preg)
TDLo ipr-mus 30150 ug/kg(8-16D preg)

STANDARDS, REGULATIONS & RECOMMENDATIONS:
OSHA: Federal Register (1/19/89) and 29 CFR 1910.1000 Subpart Z
Transitional Limit: PEL-TWA 0.5 mg/m3 (skin) [610]
Final Limit: PEL-TWA 0.1 mg/m3 (skin) [610]
ACGIH: TLV-TWA 0.1 mg/m3 [610]
NIOSH Criteria Document: None
NFPA Hazard Rating: Health (H): None
Flammability (F): None
Reactivity (R): None

OTHER TOXICITY DATA:
Skin and Eye Irritation Data:
eye-rbt 25 mg MLD
Review: Toxicology Review-7
Status: "NIOSH Manual of Analytical Methods, 3rd Ed."
EPA Genetic Toxicology Program, January 1984
Meets criteria for proposed OSHA Medical Records Rule





OTHER DATA (Regulatory)





PROPER SHIPPING NAME (IATA): Bipyridilium pesticides, solid, toxic, n.o.s.

UN/ID NUMBER: UN2781

HAZARD CLASS: 6.1 SUBSIDIARY RISK: None PACKING GROUP: II

LABELS REQUIRED: Poison

PACKAGING: PASSENGER: PKG. INSTR.: 611, Y611 MAXIMUM QUANTITY: 25 kg, 1 kg
CARGO : PKG. INSTR.: 615 MAXIMUM QUANTITY: 100 kg

SPECIAL PROVISIONS: A6

USES:
Redox indicator; artificial electron carrier in enzyme reactions and
herbicide.

COMMENTS:
The RTECS toxicity data is that of the dichloride without the trihydrate.





HANDLING PROCEDURES





ACUTE/CHRONIC HAZARDS:
This chemical is highly toxic if inhaled, swallowed or absorbed through the
skin. When heated to decomposition, this compound emits toxic fumes of CO,
CO2, NOx and hydrogen chloride gas [269]. It is absorbed through the skin
only after prolonged exposure [171].

MINIMUM PROTECTIVE CLOTHING:
If Tyvek-type disposable protective clothing is not worn during
handling of this chemical, wear disposable Tyvek-type sleeves taped to
your gloves.

RECOMMENDED GLOVE MATERIALS:
Recommended Glove Type For Use With Neat (Undiluted) Chemical:
Recommendations based on permeation test results are made for handling
the neat (undiluted) chemical. If this chemical makes direct contact with
your glove, or if a tear, puncture or hole develops, replace them at once.

Suggested Glove Type(s) (RAD): No information available

RECOMMENDED RESPIRATOR:
Where the neat test chemical is weighed and diluted, wear a NIOSH-
approved half face respirator equipped with a combination filter cartridge,
i.e. organic vapor/acid gas/HEPA (specific for organic vapors, HCl, acid
gas, SO2 and a high efficiency particulate filter).

OTHER: Not available

STORAGE PRECAUTIONS:
You should protect this material from exposure to light,
and store it in a refrigerator.

SPILLS AND LEAKAGE:
If you spill this chemical, you should dampen the solid spill material
with water,then transfer the dampened material to a suitable container. Use
absorbent paper dampened with water to pick up any remaining material. Seal
your contaminated clothing and the absorbent paper in a vapor-tight plastic
bag for eventual disposal. Wash all contaminated surfaces with a soap
and water solution. Do not reenter the contaminated area until the Safety
Officer (or other responsible person) has verified that the area has been
properly cleaned.

DISPOSAL AND WASTE TREATMENT:
You should dispose of all waste and contaminated materials
associated with this chemical as specified by existing local,
state and federal regulations concerning hazardous waste disposal.
It is suggested that your contaminated materials should be destroyed
by incineration in a special, high temperature (>2000 degrees F),
chemical incinerator facility.





EMERGENCY PROCEDURES





SKIN CONTACT:
IMMEDIATELY flood affected skin with water while removing and isolating
all contaminated clothing. Gently wash all affected skin areas thoroughly
with soap and water.
IMMEDIATELY call a hospital or poison control center even if no symptoms
(such as redness or irritation) develop.
IMMEDIATELY transport the victim to a hospital for treatment after
washing the affected areas.

INHALATION:
IMMEDIATELY leave the contaminated area; take deep breaths of fresh air.
IMMEDIATELY call a physician and be prepared to transport the victim to a
hospital even if no symptoms (such as wheezing, coughing, shortness of breath,
or burning in the mouth, throat, or chest) develop.
Provide proper respiratory protection to rescuers entering an unknown
atmosphere. Whenever possible, Self-Contained Breathing Apparatus (SCBA)
should be used; if not available, use a level of protection greater than or
equal to that advised under Respirator Recommendation.

EYE CONTACT:
First check the victim for contact lenses and remove if present. Flush
victim's eyes with water or normal saline solution for 20 to 30 minutes while
simultaneously calling a hospital or poison control center.
Do not put any ointments, oils, or medication in the victim's eyes without
specific instructions from a physician.
IMMEDIATELY transport the victim after flushing eyes to a hospital even if
no symptoms (such as redness or irritation) develop.

INGESTION:
If the victim is conscious and not convulsing, give 1 or 2 glasses of
water to dilute the chemical and IMMEDIATELY call a hospital or poison control
center.
Generally, the induction of vomiting is NOT recommended outside of a
physician's care due to the risk of aspirating the chemical into the victim's
lungs. However, if the victim is conscious and not convulsing and if medical
help is not readily available, consider the risk of inducing vomiting because
of the high toxicity of the chemical ingested. Ipecac syrup or salt water may
be used in such an emergency. IMMEDIATELY transport the victim to a hospital.
If the victim is convulsing or unconscious, do not give anything by mouth,
ensure that the victim's airway is open and lay the victim on his/her side with
the head lower than the body. DO NOT INDUCE VOMITING. IMMEDIATELY transport
the victim to a hospital.

SYMPTOMS:
Symptoms of exposure to this chemical include ulceration of the digestive
tract, diarrhea, vomiting, renal damage, jaundice, edema, hemorrhage, and
anoxia [031]. It also causes irritation of the eyes, nose, throat and skin;
nose bleeding, abnormalities, loss of fingernails, burning in the mouth and
throat, eye injury, nausea, abdominal pain; heart, kidney, lung, and liver
damage; jaundice and progressive fibrosis and epithelial proliferation in the
lungs [102,346]. Other symptoms include coughing, wheezing, laryngitis,
shortness of breath, and headache [269].





SOURCES





SOURCES:
[015] Lewis, R.J., Sr. and R.L. Tatken, Eds. Registry of Toxic Effects
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Occupational Safety and Health. Cincinnati, OH. Quarterly
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[025] Buckingham, J., Ed. Dictionary of Organic Compounds. 5th Ed.
Chapman and Hall. New York. 1982. Vol. 4, p. 4491; #P-00139.

[031] Windholz, M., Ed. The Merck Index. 10th Ed. Merck and Co.
Rahway, NJ. 1983. p. 1009; #6894.

[042] Sax, N.I. Dangerous Properties of Industrial Materials. 6th Ed.
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[055] Verschueren, K. Handbook of Environmental Data on Organic
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pp. 942-943.

[061] Hawley, G.G., Ed. The Condensed Chemical Dictionary. 10th Ed.
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[082] U.S. Environmental Protection Agency, Office of Toxic Substances.
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[102] U.S. Department of Health and Human Services and U.S. Department
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[107] Occupational Health Services, Inc. Hazardline. Occupational
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[110] Oak Ridge National Laboratory. Environmental Mutagen Information
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[120] Oak Ridge National Laboratory. Environmental Teratogen Information
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[168] Hartley, Douglas B.Sc., Ph.D., M.I.Inf.Sc. and Hamish Kidd B.Sc., Eds.
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[171] Worthing, C.R., Ed. The Pesticide Manual, A World Compendium.
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[186] Sittig, Marshall, Ed. Pesticide Manufacturing and Toxic Materials
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[301] Dreisbach, R.H. Handbook of Poisoning: Prevention, Diagnosis
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[421] American Conference of Governmental Industrial Hygienists.
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[430] Clayton, G.D. and F.E. Clayton, Eds. Patty's Industrial Hygiene
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[610] Clansky, Kenneth B., Ed. Suspect Chemicals Sourcebook: A Guide to
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[620] United States National Toxicology Program. Chemical Status Report.
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Not listed.

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