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Registry of Toxic Effects of Chemical Substances (RTECS)

Diphosphoric acid, tetrapotassium salt

RTECS #

JL6735000

CAS #

7320-34-5

Updated

August 2003

Molecular Weight

330.34

Molecular Formula

O7P2·4K

Synonyms

Potassium pyrophosphate
Tetrapotassium diphosphorate
TKPP

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
oral/rat lowest published lethal dose: 4640 mg/kgBehavioral: Somnolence (general depressed activity)

Gastrointestinal: Other changes
NTIS** OTS0571153
skin/rabbit lethal dose (50 percent kill): >4640 mg/kgSkin: After systemic exposure: Dermatitis, otherNTIS** OTS0571153

Other Multiple Dose Data and References

Route/OrganismDoseEffectReference
oral/rat lowest published toxic dose: 273 gm/kg/13W- continuousGastrointestinal: Changes in structure or function of salivary glands

Kidney, Ureter, and Bladder: Changes in tubules (including acute renal failure, acute tubular necrosis)

Nutritional and Gross Metabolic: Weight loss or decreased weight gain
ESKHA5 (106),66,1988

Standards and Regulations

OrganizationStandardReference
Environmental Protection Agency (EPA) Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATIONFEREAC 54,7740,1989
Environmental Protection Agency (EPA) Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) 1998 STATUS OF PESTICIDESCancelledRBREV* -,319,1998

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Occupational Exposure Survey 1983Hazard Code 80602; Number of Industries 168; Total Number of Facilities 19789; Number of Occupations 127; Total Number of Employees Exposed 572734; Total Number of Female Employees Exposed 227874
National Occupational Hazard Survey 1974Hazard Code 80602; Number of Industries 151; Total Number of Facilities 25781; Number of Occupations 89; Total Number of Employees Exposed 164878

Status in Federal Agencies

OrganizationReference
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001
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