Potassium phosphate
Names
[ CAS No. ]:
7778-53-2
[ Name ]:
Potassium phosphate
[Synonym ]:
Potassium phosphate
Potassium orthophosphate
MFCD00036295
EINECS 231-907-1
Tripotassium phosphate
Phosphoric acid tripotassium salt
Tripotassium orthophosphate
Caswell No. 700A
Phosphoric acid,tripotassium salt
Potassium phosphate, tribasic
Potassium phosphate tribasic
Potassium monophosphate
Chemical & Physical Properties
[ Density]:
2.564 g/mL at 25 °C(lit.)
[ Boiling Point ]:
158ºC at 760 mmHg
[ Melting Point ]:
1340 °C
[ Molecular Formula ]:
K3O4P
[ Molecular Weight ]:
212.266
[ Exact Mass ]:
211.844543
[ PSA ]:
96.06000
[ LogP ]:
0.38600
[ Stability ]:
Stable. Incompatible with strong oxidizing agents, moisture.
[ Water Solubility ]:
50.8 g/100 mL (25 ºC)
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- TC8450000
- CHEMICAL NAME :
- Phosphoric acid, tripotassium salt
- CAS REGISTRY NUMBER :
- 7778-53-2
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 8
- MOLECULAR FORMULA :
- O4-P.3K
- MOLECULAR WEIGHT :
- 212.27
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration into the eye
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0571153 ** ACUTE TOXICITY DATA **
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 4640 mg/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Gastrointestinal - other changes
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0571153
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- >4640 mg/kg
- TOXIC EFFECTS :
- Skin and Appendages - dermatitis, irritative (after systemic exposure) Skin and Appendages - dermatitis, other (after systemic exposure)
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0571153 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83451 No. of Facilities: 2277 (estimated) No. of Industries: 26 No. of Occupations: 19 No. of Employees: 7863 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83451 No. of Facilities: 4300 (estimated) No. of Industries: 53 No. of Occupations: 49 No. of Employees: 53015 (estimated) No. of Female Employees: 10283 (estimated)
Safety Information
[ Symbol ]:
GHS05, GHS07
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H318-H335
[ Precautionary Statements ]:
P280-P304 + P340 + P312-P305 + P351 + P338 + P310
[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves
[ Hazard Codes ]:
Xi: Irritant;C: Corrosive;
[ Risk Phrases ]:
R38;R41
[ Safety Phrases ]:
S26-S39-S45-S36/37/39
[ RIDADR ]:
UN 1805 8/PG 3
[ WGK Germany ]:
2
[ RTECS ]:
TC8450000
[ HS Code ]:
2835240000
Customs
[ HS Code ]: 2835240000
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