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

PICRIC ACID




IDENTIFIERS





CATALOG ID NUMBER: 000065

CAS NUMBER: 88-89-1

BASE CHEMICAL NAME: PICRICACID

PRIMARY NAME: PICRIC ACID

CHEMICAL FORMULA: C6H3N3O7

STRUCTURAL FORMULA:

WLN: WNR BQ CNW ENW

SYNONYMS:
LYDDITE
PERTITE
SHIMOSE
1,3,5-TRINITROPHENOL
PICRONITRIC ACID
PHENOL TRINITRATE
2,4,6-TRINITROPHENOL
2-HYDROXY-1,3,5-TRINITROBENZENE
CARBAZOTIC ACID
MELINITE
NITROXANTHIC ACID
C.I. 10305





PHYSICAL CHEMICAL DATA





PHYSICAL DESCRIPTIONS: LITERATURE: Pale yellow crystals
REPOSITORY: Yellow crystals

MOLECULAR WEIGHT: 229.12

SPECIFIC GRAVITY: 1.763

DENSITY: 1.763 g/mL

MP (DEG C): 121.8 - 123 C

BP (DEG C): >300 C (Sublimes/explodes)

SOLUBILITIES:
WATER : 1-10 mg/mL @ 24 C (RAD)

DMSO : >=100 mg/mL @ 23 C (RAD)

95% ETHANOL : 10-50 mg/mL @ 23 C (RAD)

METHANOL : Not available

ACETONE : >=100 mg/mL @ 23 C (RAD)

TOLUENE : Not available

OTHER SOLVENTS:
Methanol: Soluble
Acetic acid: Soluble
Pyrimidene: Soluble
Chloroform: 1 gm/35 ml
ETHER : 1 gm/65 mL
BENZENE: 1 gm/10 mL

VOLATILITY:
Vapor pressure: < 1 mm Hg
Vapor density : 7.90

FLAMMABILITY(FLASH POINT):
This compound has a flash point of 150 C (302 F) and it can explode when
heated. Fires should be controlled from a safe distance. Use a dry chemical
or Halon extinguisher. Do not attempt to control large fires involving this
material, but, rather, keep surrounding areas cool with a water spray and
contact an explosive expert. The autoignition temperature is 299 C (572 F).

UEL: Not available LEL: Not available

REACTIVITY:
Reacts with metals, especially copper, lead and zinc, and with calcium,
ammonium, concrete and bases to form highly explosive and shock sensitive
picrate salts. Can also react vigorously with reducing agents. It is
also incompatible with all oxidizable substances, albumin, gelatin and
alkaloids.

STABILITY:
This compound can explode when rapidly heated or severely shocked. It may
also be sensitive to exposure to air. Solutions of this chemical should be
stable for 24 hours under normal lab conditions (RAD).

OTHER PHYSICAL DATA:
Impact sensitivity: 82 cm.
This compound is a more powerful explosive than TNT.
Refractive index: 1.763
pka 0.29 (25 C, H2O)
Odorless
Intensely bitter crystals
log P oct 2.03





TOXICITY





NIOSH REGISTRY NUMBER: TJ7875000

TOXICITY:

  typ. dose       mode     specie     amount       unit      other

       LDLo        scu       dog         60       mg/kg

       LDLo        unk       dog         60       mg/kg

       LDLo        orl       cat        250       mg/kg

       LDLo        orl       rbt        120       mg/kg

       LDLo        orl       gpg        100       mg/kg

       LDLo        scu       pgn        200       mg/kg

       LDLo        scu       frg        200       mg/kg


AQTX/TLM96: Not available

SAX TOXICITY EVALUATION:
THR: MUTATION data. HIGH via oral, dermal and subcutaneous routes. An
irritant and an allergen. Dermal exposure may cause local and systemic
allergic reactions. Can cause allergic as well as irritative dermatitis.

CARCINOGENICITY: Not available

MUTAGENICITY:
Mutation Data:
mmo-esc 1800 ppm
mmo-sat 5 umol/plate
mma-sat 5 umol/plate
sln-dmg-orl 1250 umol/L

TERATOGENICITY: Not available

STANDARDS, REGULATIONS & RECOMMENDATIONS:
OSHA: Federal Register (1/19/89) and 29 CFR 1910.1000 Subpart Z
Transitional Limit: PEL-TWA 0.1 mg/m3 (skin) [610]
Final Limit: PEL-TWA 0.1 mg/m3 (skin) [610]
ACGIH: TLV-TWA 0.1 mg/m3 (skin); STEL 0.3 mg/m3, with a notice of intent to
delete STEL [610]
NIOSH Criteria Document: None
NFPA Hazard Rating: Health (H): None
Flammability (F): None
Reactivity (R): None

OTHER TOXICITY DATA:
Standards and Regulations: DOT-Hazard: Class A explosive; Label: Explosive A
Review: Toxicology Review
Status: "NIOSH Manual of Analytical Methods" Vol. 4
"NIOSH Manual of Analytical Methods" to be revised by June 1985
Reported in EPA TSCA Inventory, 1983
EPA Genetic Toxicology Program, January 1984





OTHER DATA (Regulatory)





PROPER SHIPPING NAME (IATA): Trinitrophenol, wetted

UN/ID NUMBER: UN1344

HAZARD CLASS: 4.1 SUBSIDIARY RISK: None PACKING GROUP: I

LABELS REQUIRED: Flammable solid

PACKAGING: PASSENGER: PKG. INSTR.: 416 MAXIMUM QUANTITY: 1 kg
CARGO : PKG. INSTR.: 412 MAXIMUM QUANTITY: 15 kg

SPECIAL PROVISIONS: A40

USES:
Explosives; matches; leather industry; electric batteries; etching copper;
manufacture of colored glass; textile mordant; reagent; antiseptic; astrin-
gent.

COMMENTS: Not available





HANDLING PROCEDURES





ACUTE/CHRONIC HAZARDS:
This chemical is absorbed through the skin and is an irritant. On decom-
position this compound emits highly toxic fumes and can explode. It is also
explosive if severely shocked.

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: Not 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 store this chemical under an inert atmosphere in a refrigerator
and away from all organic compounds. Protect this container from shock or
damage. STORE AWAY FROM SOURCES OF IGNITION.

SPILLS AND LEAKAGE:
Should a spill occur while you are handling this chemical, FIRST REMOVE
ALL SOURCES OF IGNITION, then you should dampen the solid spill material with
ethanol and transfer the dampened material to a suitable container. Use
absorbent paper dampened with ethanol to pick up any remaining material. Seal
the absorbent paper, and any of your clothes, which may be contaminated,in a
vapor-tight plastic bag for eventual disposal. Solvent wash all contaminated
surfaces with ethanol followed by washing with a soap and water solution. Do
not reenter the contaminated area until the Safety Officer (or other responsi-
ble person) has verified that the area has been properly cleaned.

DISPOSAL AND WASTE TREATMENT:
Not available





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:
Exposure to this chemical may cause nausea, vomiting, diarrhea, epigastric
pain, oliguria, anuria, albuminuria, hematuria, yellow staining of tissues,
pruritis, skin eruptions, nasal irritation and epistaxis, bronchitis, vertigo,
casts, anemia, weakness, stupor, fever, convulsions, myalgia and death.

FIREFIGHTING: Not available





SOURCES





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