potassium persulfate
Names
[ CAS No. ]:
7727-21-1
[ Name ]:
potassium persulfate
[Synonym ]:
MFCD03457781
EINECS 231-781-8
dipotassium,sulfonatooxy sulfate
Chemical & Physical Properties
[ Density]:
2.47
[ Boiling Point ]:
1689 °C
[ Melting Point ]:
1067 °C
[ Molecular Formula ]:
K2O8S2
[ Molecular Weight ]:
270.322
[ Flash Point ]:
NotºCombustible
[ Exact Mass ]:
269.830872
[ PSA ]:
149.62000
[ LogP ]:
0.01660
[ Vapour density ]:
9.3 (vs air)
[ Stability ]:
Stable. Strong oxidizer. Incompatible with strong reducing agents, organic materials, combustible materials.
[ Water Solubility ]:
5 g/100 mL (20 ºC)
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- SE0400000
- CHEMICAL NAME :
- Peroxydisulfuric acid, dipotassium salt
- CAS REGISTRY NUMBER :
- 7727-21-1
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 8
- MOLECULAR FORMULA :
- H2-O8-S2.2K
- MOLECULAR WEIGHT :
- 272.34
- WISWESSER LINE NOTATION :
- .KA2.S-O4*2
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 802 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- 85INA8 "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986 Volume(issue)/page/year: 5,468,1986 *** REVIEWS *** ACGIH TLV-TWA 0.1 mg/m3 85INA8 "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986 Volume(issue)/page/year: 6,1/BEI,1997 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-DENMARK:TWA 2 mg/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 1 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 81953 No. of Facilities: 1648 (estimated) No. of Industries: 12 No. of Occupations: 19 No. of Employees: 26001 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81953 No. of Facilities: 2979 (estimated) No. of Industries: 24 No. of Occupations: 24 No. of Employees: 51102 (estimated) No. of Female Employees: 23438 (estimated)
Safety Information
[ Symbol ]:
GHS03, GHS07, GHS08
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H272-H302-H315-H317-H319-H334-H335
[ Precautionary Statements ]:
P220-P261-P280-P305 + P351 + P338-P342 + P311
[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
[ Hazard Codes ]:
Xn:Harmful
[ Risk Phrases ]:
R22;R36/37/38;R42/43;R8
[ Safety Phrases ]:
S22-S24-S26-S37
[ RIDADR ]:
UN 1492 5.1/PG 3
[ WGK Germany ]:
1
[ RTECS ]:
TT5900000
[ Packaging Group ]:
III
[ Hazard Class ]:
5.1
[ HS Code ]:
2833400000
Customs
[ HS Code ]: 2833400000
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