General Description
A yellow to red crystalline powder. Slightly soluble in water and denser than water. Contact may cause severe irritation to skin, eyes, and mucous membranes. May be toxic by ingestion, inhalation and skin absorption.
Reactivity Profile
VANADIUM PENTOXIDE(1314-62-1) is acidic in many reactions. Hence, soluble in bases. [Kirk-Othmer]. Can react with ClF3, Li, peroxyformic acid and (Ca+S+H2O). Also reacts with strong acids.
Air & Water Reactions
Slightly soluble in water.
Health Hazard
Probable oral lethal dose for humans is between 5 and 50 mg/kg or between 7 drops and 1 teaspoonful for a 70 kg (150 lb.) person. Toxicity is about the same magnitude as pentavalent arsenic. A person with chronic respiratory disease is at greater risk when exposed to this substance.
Potential Exposure
(dust); Suspected reprotoxic hazard,
Suspected of causing genetic defects, Primary irritant (w/o
allergic reaction), (fume) Possible risk of forming tumors,
Vanadium pentoxide is an industrial catalyst in oxidation
reactions; is used in glass and ceramic glazes; is a
steel additive; and is used in welding electrode coatings.
Fire Hazard
Container may explode in heat of fire. When heated to decomposition, VANADIUM PENTOXIDE emits acrid smoke and fumes of vanadium oxides. Material is not flammable but VANADIUM PENTOXIDE may increase the intensity of the fire when in contact with combustible materials. Avoid chlorine trifluoride; lithium; peroxyformic acid; and calcium, sulfur, water complexes. Hazardous polymerization may not occur.
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. Medical observation is recommended for 24
to 48 hours after breathing overexposure, as pulmonary
edema may be delayed. As first aid for pulmonary edema, a
doctor or authorized paramedic may consider administering
a drug or other inhalation therapy.
Shipping
UN2862 Vanadium pentoxide, nonfused form,
Hazard Class: 6.1; Labels: 6.1-Poisonous materials.
Incompatibilities
Strong acids; lithium, chlorine trifluoride;
peroxyformic acid; combustible substances.
Chemical Properties
A yellow to rust-brown or orange crystals or powder. Slightly soluble in water and denser than water. Contact may cause severe irritation to skin, eyes, and mucous membranes. May be toxic by ingestion, inhalation and skin absorption.
Chemical Properties
Vanadium pentoxide dust is an odorless, yellow
to red crystal, or powder; or fume (when vanadium is
heated). Vanadium pentoxide fume is a finely divided particulate
dispersed in air.
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.
Vanadium pentoxide may be salvaged or disposed of in a
sanitary landfill.
Definition
vanadium pentoxide: A crystalline compound,V2O5, used extensively as a catalyst inindustrial gas-phase oxidationprocesses.
Hazard
The compound is toxic by ingestion, inhalation, and contact. Inhalation can cause asthma, cough, dyspnea, and bronchial constriction. Ingestion can cause gastrointestinal tract disturbances. Other toxic symptoms are skin pallor, greenish-black tongue, and papular skin rash (Lewis, R.J. (Sr) 1996. Sax’s Dangerous Properties of Industrial Materials, 9thed. New York: Van Nostrand Reinhold).
The oral LD50 for V2O5 dust in rats is 10 mg/kg and the inhalation LCLO in rats is 70 mg/m3/2hr.
Carcinogenicity
Vanadium pentoxide was not mutagenic
in Salmonella strains and did not increase the frequency
of micronucleated erythrocytes in mice.9
In other studies vanadium compounds have produced
clear evidence of aneuploidy in somatic
cells after exposure by several different routes.
