Metaphosphoric acid, tetrasodium salt

  • Cyclofos
  • Cyclophos
  • Sodium metaphosphate
  • Sodium tetrametaphosphate
  • Tetrametaphosphoric acid, tetrasodium salt
  • Tetrasodium cyclotetraphosphate
Formula
Na4(PO3)4
Structure
Description
Colorless crystals.
Uses
Phosphate builder in household detergents, agent in water conditioning, additive in meat, fish, poultry, & processed cheese, abrasive in toothpaste.

Registry Numbers and Inventories.
CAS
13396-41-3
EC (EINECS/ELINCS)
236-482-6
RTECS
OY3850000
RTECS class
Agricultural Chemical and Pesticide
Beilstein/Gmelin
95359 (G)
Swiss Giftliste 1
G-4559
Korea ECL
Listed

Properties.
Formula
Na4O12P4
Formula mass
407.85

Hazards and Protection.
Storage
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
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.
Protection
Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.
Respirators
Use NIOSH/MSHA approved respirator appropriate for exposure of concern.
Small spills/leaks
Evacuate area and ventilate. Wear protective equipment. If required, use an inert absrobent. Sweep up and place in an appropriate container for disposal. Wash contaminated surfaces.
Stability
No data.
Incompatibilities
Strong oxidizing agents.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use agent most appropriate to extinguish fire.

Health.
Poison_Class
4
Exposure effects
   Ingestion
Nausea, vomiting, abdominal pain, and diarrhea are common, leading to dehydration.
   Inhalation
Hyperventilation may occur secondary to hypocalcemia.

First aid
 
   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
Move patient to fresh air. Monitor for respiratory distress. If cough or difficulty breathing develops, evaluate for respiratory tract irritation, bronchitis, or pneumonitis. Administer oxygen and assist ventilation as required. Treat bronchospasm with beta2 agonist and corticosteroid aerosols.
   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.

Transport.