Potassium Nitrate

Potassium Nitrate Structure
Potassium Nitrate
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Common Name Potassium Nitrate
CAS Number 7757-79-1 Molecular Weight 101.103
Density 1.00 g/mL at 20 °C Boiling Point 100 °C750 mm Hg
Molecular Formula KNO3 Melting Point 334 °C(lit.)
MSDS Chinese USA Flash Point 400°C
Symbol GHS03
GHS03
Signal Word Warning

 Names

Name potassium nitrate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.00 g/mL at 20 °C
Boiling Point 100 °C750 mm Hg
Melting Point 334 °C(lit.)
Molecular Formula KNO3
Molecular Weight 101.103
Flash Point 400°C
Exact Mass 100.951523
PSA 68.88000
LogP 0.28410
Stability Stable. Strong oxidizer - contact with combustible material may cause fire. Incompatible with combustible materials, strong reducing agents.
Water Solubility 320 g/L (20 ºC)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TT3700000
CHEMICAL NAME :
Potassium nitrate
CAS REGISTRY NUMBER :
7757-79-1
LAST UPDATED :
199710
DATA ITEMS CITED :
17
MOLECULAR FORMULA :
K-N-O3.K
MOLECULAR WEIGHT :
179.31
WISWESSER LINE NOTATION :
.KA..N-O3

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 :
3750 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
1901 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
22 gm/kg
SEX/DURATION :
female 1-22 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - other measures of fertility
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
598 mg/kg
SEX/DURATION :
female 1-22 day(s) after conception lactating female 5 day(s) post-birth
TOXIC EFFECTS :
Reproductive - Effects on Newborn - behavioral
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
6505 mg/kg
SEX/DURATION :
female 23-27 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - abortion
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
15 gm/kg
SEX/DURATION :
female 24 week(s) pre-mating
TOXIC EFFECTS :
Reproductive - Effects on Newborn - stillbirth
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
1670 gm/kg
SEX/DURATION :
female 29 week(s) pre-mating
TOXIC EFFECTS :
Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated) Reproductive - Effects on Embryo or Fetus - other effects to embryo

MUTATION DATA

TYPE OF TEST :
Gene conversion and mitotic recombination
TEST SYSTEM :
Bacteria - Escherichia coli
DOSE/DURATION :
5 pph
REFERENCE :
JGMIAN Journal of General Microbiology. (Soc. for General Microbiology, Journal Sales, 62 London Rd., Reading, RG1 5AS, UK) V.1- 1947- Volume(issue)/page/year: 8,45,1953 *** 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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-THE NETHERLANDS:TWA 2 ppm (5 mg/m3) JAN 1993 OEL-RUSSIA:STEL 5 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 80350 No. of Facilities: 4730 (estimated) No. of Industries: 67 No. of Occupations: 53 No. of Employees: 36204 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 80350 No. of Facilities: 4503 (estimated) No. of Industries: 67 No. of Occupations: 65 No. of Employees: 66562 (estimated) No. of Female Employees: 26088 (estimated)

 Safety Information

Symbol GHS03
GHS03
Signal Word Warning
Hazard Statements H272-H412
Precautionary Statements P210-P220-P221-P370 + P378
Personal Protective Equipment Eyeshields;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 O:Oxidizingagent;
Risk Phrases R8
Safety Phrases S26-S17-S36-S7-S24/25
RIDADR UN 3264 8/PG 3
WGK Germany 1
RTECS TT3700000
Packaging Group III
Hazard Class 5.1
HS Code 2834219000

 Customs

HS Code 2834219000

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