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Metaphosphoric acid trisodium salt(7785-84-4)

Metaphosphoric acid trisodium salt(7785-84-4)
Product IdentificationBack to Contents
【Product Name】

Metaphosphoric acid trisodium salt
【Synonyms】

1,3,5,2,4,6-Trioxatriphosphorinane, 2,4,6-trihydroxy, trisodium salt
Cyclic sodium trimetaphosphate
Sodium trimetaphosphate
Trimetaphosphate
【CAS】

7785-84-4
【Formula】

Na3O9P3
【Molecular Weight】

305.88
【EINECS】

232-088-3
【RTECS】

OY4025000
【RTECS Class】

Other
【Merck】

12,8845
【Beilstein/Gmelin】

53955 (G)
Physical and Chemical PropertiesBack to Contents
【Appearance】

White powder.
【Melting Point】

588
【Density】

2.475 g/cm3 (25 C)
【Usage】

Toothpastes containing 0.5-95% Silicon dioxide xerogel & 0.5-6% Sodium trimetaphosphate are effective tooth polishing agents.
First Aid MeasuresBack to Contents
【Ingestion】

Do not induce vomiting - following ingestion and/or prior to gastric evacuation, immediately dilute with 4 to 8 ounces (120 to 240 ml) of milk or water (not to exceed 15 ml/kg in a child).
【Inhalation】

If symptoms develop, move individual away from exposure and into fresh air. If symptoms persist, seek medical attention. If breathing is difficult, administer oxygen. Keep person warm and quiet; seek immediate medical attention.
【Skin】

Remove contaminated clothing and wash exposed area thoroughly with soap and water. A physician should examine the area if irritation or pain persists.
【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 StorageBack to Contents
【Storage】

Keep in a cool, dry location in a closed container.
【Handling】

All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Hazards IdentificationBack to Contents
【Inhalation】

Hyperventilation may occur secondary to hypocalcemia.
【Skin】

May cause mild skin irritation. Symptoms may include redness and burning of skin.
【Eyes】

Can cause eye irritation. Symptoms include stinging, tearing, redness, and swelling of eyes.
【Ingestion】

Nausea, vomiting, abdominal pain, and diarrhea are common, leading to dehydration.
【Hazards】

No special fire hazards are known to be associated with this product.
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Wear resistant gloves such as natural rubber. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.
【Respirators】

If workplace exposure limit(s) of product or any component is exceeded (see exposure guidelines), a NIOSH/MSHA approved air supplied respirator is advised in absence of proper environmental control. OSHA regulations also permit other NIOSH/MSHA respirators (negative pressure type) under specified conditions
【Exposure Effects】

Signs and symptoms of exposure to this material through breathing, swallowing, and/or passage of the material through the skin may include: stomach or intestinal upset (nausea, vomiting, diarrhea) irritation (nose, throat, airways).
【Poison Class】

5
Fire Fighting MeasuresBack to Contents
【Fire Fighting】

No special precautions necessary when fighting fires involving this product.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Small Spill - Sweep up material for disposal or recovery. Large Spill - Shovel material into containers. Thoroughly sweep area of spill to clean up any residual material.
Stability and ReactivityBack to Contents
【Stability】

No data.
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