Product Identification

Product Name

Sodium peroxometaborate

Synonyms

Dexol
Perboric acid, sodium salt
Sodium oxidooxy-oxoborane

CAS

7632-04-4

Formula

BH8NaO7

Molecular Weight

81.8

EINECS

231-556-4

RTECS

SC7310000

RTECS Class

Mutagen

Merck

12,8797

Beilstein/Gmelin

377749 (G)

Physical and Chemical Properties

Appearance

White, amorphous powder.

Melting Point

-80

Boiling Point

138

Vapor Pressure

10.7 (20 C)

Density

1.6738 g/cm3 (20 C)

Heat Of Vaporization

Usage

Bleaching straw & other fibers, ivory, sponges, bristles, waxes, in soaps, topical antiseptic.

First Aid Measures

Ingestion

Administer charcoal as a slurry (240 ml water/30 g charcoal). Usual dose: 25 to 100 g in adults/adolescents.

Inhalation

Move victim to fresh air. Apply artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult.

Skin

Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush with running water for at least 20 minutes.

Eyes

Irrigate exposed eyes with copious amounts of tepid water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist, the patient should be seen in a health care facility.

Handling and Storage

Storage

Keep well closed and in a cool place.

Handling

Containers of this material may be hazardous when emptied. Since emptied containers retain product residues (vapor, liquid, and/or solid), all hazard precautions given in the data sheet must be observed.

Hazards Identification

Inhalation

Vapors may cause injury, burns, death.

Skin

The oral mucosa, lips and throat may be red. Erythematous rash with desquamation (cooked lobster syndrome) may develop on the palms, soles, and buttocks. A generalized rash has also been reported.

Eyes

See Skin.

Ingestion

Nausea, vomiting, and diarrhea are common. The vomitus and feces may be blue-green in color. Hemorrhagic gastroenteritis can occur.

Hazards

May explode from heat or contamination. May react explosively with hydrocarbons (fuels). May ignite combustibles.

UN (DOT)

3247

Exposure Controls/Personal Protection

Personal Protection

Wear appropriate protective gloves, clothing and goggles.

Respirators

Wear positive pressure self-contained breathing apparatus (SCBA).

Exposure Effects

Significant ingestions or dermal exposures can be associated with weak, rapid pulse, cyanosis and abnormally low blood pressure. The patient may present with reduced body temperature, elevated body temperature or normal body temperature. Headache, lethargy, restlessness, weakness, CNS irritation, and/or seizures may occur with long term or repeated exposures. There is insufficient information concerning the reproductive effects of borates in humans. Adverse testicular effects and infertility have been reported in animals. <br>There have been limited animal studies which suggest decreased ovulation, fetotoxicity and developmental defects may occur with very high exposure levels. Maternal toxicity was present in some studies.

Poison Class

5

Fire Fighting Measures

Fire Fighting

Small Fires: Use water. Do not use dry chemicals or foams. carbon dioxide or Halon may provide limited control. Large Fires: Flood fire area with water from a distance.

Fire Potential

These substances will accelerate burning when involved in a fire.

Accidental Release Measures

Small spills/leaks

Keep away from combustible materials. Avoid contact unless wearing appropriate protective clothing. Stop leak if you can do it without risk. With clean shovel place material into clean, dry container and cover loosely; move containers from spill area.

Stability and Reactivity

Incompatibilities

Avoid contact with strong oxidizing agent, fire risk in contact with organic materials forms hydrogen peroxide in the presence of acids.

Stability

Stable as powder stable when kept cool and dry, but decomposes with the liberation of oxygen in warm or moist air.

Decomposition

When heated to decomposition, it emits toxic fumes of disodium oxide. Decomposes in water with the liberation of hydrogen peroxide and then oxygen.

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

3247

Hazard Class

5.1

Packing Group

II