Product Identification

Product Name

Perrhenic acid

Synonyms

Rhenate (ReO41-), hydrogen, (T-4)-
Rhenic acid (HReO4)

CAS

13768-11-1

Formula

HO4Re

Molecular Weight

251.21

EINECS

237-380-4

RTECS

Hydrogen tetraoxorhenate(1-)

Beilstein/Gmelin

26407 (G)

Physical and Chemical Properties

Appearance

Exists only in solution

Melting Point

115 - 125

Density

2.1600 g/cm3

Usage

Used in the manufacture of x-ray targets and as a catalyst.

First Aid Measures

Ingestion

Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.

Inhalation

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.

Skin

Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.

Eyes

Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids. Get medical aid immediately.

Handling and Storage

Storage

Store in a cool, dry place. Store in a tightly closed container. Corrosives area.

Handling

Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.

Hazards Identification

Ingestion

Causes gastrointestinal tract burns. The toxicological properties of this substance have not been fully investigated.

Inhalation

May cause irritation of the respiratory tract with burning pain in the nose and throat, coughing, wheezing, shortness of breath and pulmonary edema. Causes chemical burns to the respiratory tract. The toxicological properties of this substance

Skin

Causes skin burns.

Eyes

Causes eye burns.

UN (DOT)

3264

Exposure Controls/Personal Protection

Personal Protection

Wear appropriate protective eyeglasses or chemical safety goggles, protective gloves and clothing to prevent exposure.

Respirators

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Fire Fighting Measures

Fire Fighting

Wear approved SCBA in full pressure-demand and full protective gear. Use dry chemical.

Accidental Release Measures

Small spills/leaks

Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.

Stability and Reactivity

Stability

Stable.

Incompatibilities

Strong bases, active metals.

Transport Information

UN Number

3264

Hazard Class

8

Packing Group

I; II; III