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Diphosphoric acid tetrasodium salt(7722-88-5)

Diphosphoric acid tetrasodium salt(7722-88-5)
Product IdentificationBack to Contents
【Product Name】

Diphosphoric acid tetrasodium salt
【Synonyms】

Phosphotex
Tetrasodium phosphonato phosphate
Tetrasodium pyrophosphate
【CAS】

7722-88-5
【Formula】

Na4O7P2
【Molecular Weight】

265.89999999999998
【EINECS】

231-767-1
【RTECS】

UX7350000
【RTECS Class】

Drug
【Merck】

12,9377
【Beilstein/Gmelin】

16161 (G)
Physical and Chemical PropertiesBack to Contents
【Appearance】

Colorless crystals or white powder.
【Melting Point】

988
【Density】

2.534 g/cm3 (20 C)
【Usage】

The active ingredient is no longer contained in any registered products.
First Aid MeasuresBack to Contents
【Ingestion】

Seek medical attention. If individual is drowsy or unconscious, do not give anything by mouth; place individual on the left side with the head down. Contact a physician, medical facility, or poison control center for advice about whether to induce vomiting. If possible, do not leave individual unattended.
【Inhalation】

If symptoms develop, immediately move individual away from exposure and into fresh air. Seek immediate medical attention; keep person warm and quiet. If person is not breathing, begin artificial respiration. If breathing is difficult, administer oxygen.
【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】

If symptoms develop, immediately move individual away from exposure and into fresh air. Flush eyes gently with water for at least 15 minutes while holding eyelids apart; seek immediate medical attention.
Handling and StorageBack to Contents
【Storage】

Keep tightly closed in a cool place in a tightly closed container.
【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 IdentificationBack to Contents
【Ingestion】

Nausea, vomiting and diarrhea are possible if ingested.
【Inhalation】

Cough, tachypnea, and wheezing are common after inhalation.
【Skin】

Redness, swelling and pain may occur.
【Eyes】

Can cause eye irritation. Symptoms include stinging, tearing, redness, and swelling of eyes.
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Wear safety glasses in compliance with OSHA regulations. Resistant gloves such as neoprene. Normal work clothing that covers arms and legs.
【Respirators】

If needed, use a NIOSH/MSHA jointly approved dust respirator.
【Poison Class】

4
Fire Fighting MeasuresBack to Contents
【Fire Fighting】

Wear a self-contained breathing apparatus with a full facepiece operated in the positive pressure demand mode with appropriate turn-out gear and chemical resistant personal protective equipment. Extinguish using media most appropriate for surrounding fire.
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】

Stable.
【Incompatibilities】

Strong acids.
【Decomposition】

Oxides of phosphorous.
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