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28300-74-5

Name Potassium antimonyl tartrate sesquihydrate
CAS 28300-74-5
EINECS(EC#) 234-293-3
Molecular Formula C8H10K2O15Sb2
MDL Number MFCD00167056
Molecular Weight 667.87
MOL File 28300-74-5.mol

Chemical Properties

Appearance Antimony potassium tartrate is an odorless, colorless, crystalline material or white powder with a sweetish, metallic taste.
Melting point  ≥300 °C(lit.)
alpha  D20 +140.69° (c = 2 in water), +139.25° (c = 2 in glycerol)
density  2,607 g/cm3
storage temp.  Store at +15°C to +25°C.
solubility  water: soluble
form  Powder
color  White
Specific Gravity 2.6
PH 4.0 (50g/l, H2O, 20℃)
Stability: Stable. Incompatible with alkalies, carbonates, strong oxidizing agents.
Water Solubility  8.3 g/100 mL
Merck  14,700
Exposure limits ACGIH: TWA 0.5 mg/m3
NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3
InChIKey BBUFTTIHMIIQLI-UHFFFAOYSA-J
CAS DataBase Reference 28300-74-5(CAS DataBase Reference)
EPA Substance Registry System 28300-74-5(EPA Substance)

Safety Data

Hazard Codes  Xn,N
Risk Statements 
R20/22:Harmful by inhalation and if swallowed .
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
Safety Statements 
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
RIDADR  UN 1551 6.1/PG 3
WGK Germany  3
RTECS  CC6825000
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  29181300
Safety Profile
Human poison by intravenous route, producing liver and kidney changes, somnolence, dyspnea, and pupillary dilation. Poison by ingestion, subcutaneous, intravenous, intramuscular, and intraperitoneal routes. Large doses cause severe liver damage. Human mutation data reported. Used medicinally, the therapeutic dose is close to the toxic dose. Upon decomposition it emits toxic fumes of K2O and Sb.
Hazardous Substances Data 28300-74-5(Hazardous Substances Data)
Toxicity
LD50 in mice (mg/kg): 55 s.c.; 65 i.v. (Ercoli)

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