Product Identification

Product Name

Iron hydroxide oxide

Synonyms

a-Iron hydroxide
C.I. 77492
Ferric oxide hydroxide
Ferrous acid
Iron monohydroxide monooxide
Iron oxide yellow

CAS

20344-49-4

Formula

FeHO2

Molecular Weight

88.85

EINECS

243-746-4

Merck

12,4068

Physical and Chemical Properties

Appearance

Fine, yellow, odorless powder.

Usage

Substance is used in purifying water.

First Aid Measures

Ingestion

None needed for small amounts. For large amounts, if conscious, give water to drink and induce vomiting. Call physician.

Inhalation

Remove to fresh air. If breathing is difficult give oxygen. See physician.

Skin

Flush skin with soap and water for at least 15 min.

Eyes

Flush eyes with water for at least 15 min. See physician if irritation persists.

Handling and Storage

Storage

Store containers closed in ambient location.

Hazards Identification

Inhalation

Persons with respiratory conditions may be at increased risk.

Eyes

May cause mechanical irritation to eyes.

Exposure Controls/Personal Protection

Personal Protection

Safety glasses with side shields or goggles. Rubber gloves.

Respirators

Use NIOSH/MSHA approved air purifying respirator as needed to control exposure.

Exposure limit(s)

OSHA PEL 15 mg/m3 (Iron oxide)

Fire Fighting Measures

Fire Fighting

Fight surrounding fire.

Fire Potential

Not flammable.

Accidental Release Measures

Small spills/leaks

Carefully contain spilled material. Deposit spilled material in appropriate waste container. Wash spill area with soap and water.

Stability and Reactivity

Incompatibilities

Acids.

Stability

Stable at normal temperatures and pressures.