Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity
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Metaphosphoric acid hexasodium salt(10124-56-8)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity

Product Identification

Product Name
Metaphosphoric acid hexasodium salt
Synonyms
Calgon
Graham's salt
Metaphosphoric acid (H6P6O18), hexasodium salt
Polyphos
Sodium metaphosphate
CAS
10124-56-8
Formula
Na6O18P6
Molecular Weight
456.9
EINECS
233-343-1
RTECS
OY3675000
RTECS Class
Other
Beilstein/Gmelin
133596 (G)

Physical and Chemical Properties

Appearance
odorless colorless to white solid
Melting Point
610
Density
1.878 g/cm3 (1516.5 C)
Usage
Improves efficiency of the developing process in photographic work.

First Aid Measures

Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.
Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.
Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Handling and Storage

Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Wash hands before eating. Use with adequate ventilation. Avoid contact with skin and eyes. Avoid ingestion and inhalation. Use with adequate ventilation.

Hazards Identification

Ingestion
May cause irritation of the digestive tract.
Inhalation
May cause respiratory tract irritation.
Skin
May cause skin irritation.
Eyes
May cause eye irritation.

Exposure Controls/Personal Protection

Personal Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
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.
Poison Class
4

Fire Fighting Measures

Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: For small fires, use dry chemical, carbon dioxide, water spray or alcohol-resistant foam. For small fires, use water spray, dry chemical, carbon dioxide or chemical foam.

Accidental Release Measures

Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions.

Stability and Reactivity

Incompatibilities
No data available.
Stability
Stable under normal temperatures and pressures.
Decomposition
Oxides of phosphorus, toxic fumes of sodium oxide.
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