10048-95-0

Name SODIUM ARSENATE, HEPTAHYDRATE
CAS 10048-95-0
EINECS(EC#) 231-902-4
Molecular Formula AsH15Na2O11
MDL Number MFCD00149179
Molecular Weight 312.01
MOL File 10048-95-0.mol
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Chemical Properties

Appearance white or colourless crystals
Melting point  180 °C (dec.)(lit.)
density  1,88 g/cm3
solubility  H2O: slightly soluble(lit.)
form  Granular
color  White
Specific Gravity 1.88
PH 8.5-9.0 (25°C, 50g/L)
Stability: Stable. Incompatible with strong reducing agents, strong oxidizing agents, strong acids. Incompatible with iron, aluminium and zinc in the presence of water.
Water Solubility  Soluble in water and glycerol.
InChI 1S/AsH3O4.2Na.7H2O/c2-1(3,4)5;;;;;;;;;/h(H3,2,3,4,5);;;7*1H2/q;2*+1;;;;;;;/p-2
InChIKey KOLXPEJIBITWIQ-UHFFFAOYSA-L
SMILES O.O.O.O.O.O.O.[Na+].[Na+].O[As]([O-])([O-])=O
CAS DataBase Reference 10048-95-0(CAS DataBase Reference)
EPA Substance Registry System Disodium arsenate heptahydrate (10048-95-0)

Safety Data

Hazard Codes  T,N
Risk Statements 
R45:May cause cancer.
R23/25:Toxic by inhalation and if swallowed .
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
Safety Statements 
S53:Avoid exposure-obtain special instruction before use .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
RIDADR  UN 1685 6.1/PG 2
WGK Germany  3
RTECS  CG0900000
TSCA  Yes
HazardClass  6.1
PackingGroup  II
HS Code  28429090
storage Workers should keep containers of sodium arsenate heptahydrate tightly closed and under lock and key in a cool, well-ventilated room/store area.
Storage Class 6.1A - Combustible acute toxic Cat. 1 and 2
very toxic hazardous materials
Hazard Classifications Acute Tox. 3 Inhalation
Acute Tox. 3 Oral
Aquatic Acute 1
Aquatic Chronic 1
Carc. 1A
Precautions Occupational workers should avoid ingestion or breathing the dust of sodium arsenate heptahydrate. On exposure to sodium arsenate heptahydrate, immediately fl ush eyes with plenty of water. Occupational workers should wear suitable protective clothing, suitable respiratory equipment, and work in proper ventilation. During use, workers should avoid contact with the skin, eyes be away from incompatibles such as acids. For any kind of accidental ingestion, workers should seek immediate medical advice.
Occupational workers and users should be aware that sodium arsenate heptahydrate is very toxic and its improper use and handling is dangerous, causing fatal injury if swallowed and/or inhaled. Sodium arsenate heptahydrate is a cancer hazard. It contains inorganic arsenic that can cause cancer. The risk of cancer from sodium arsenate heptahydrate depends on the duration and level of exposure. Because sodium arsenate heptahydrate causes irritation to the skin, the eyes, and the respiratory tract, and causes liver and kidney damage, workers should handle the chemical substance only with adequate ventilation, respiratory equipment, and under qualifi ed supervision.
Safety Profile
Confirmed human carcinogen. Poison by subcutaneous route. An experimental teratogen. Other experimental reproductive effects. Human mutation data reported. See also ARSENIC COMPOUNDS. When heated to decomposition it emits toxic fumes of arsenic.
Hazardous Substances Data 10048-95-0(Hazardous Substances Data)
Toxicity
cyt-dmg-orl 454 ppm SOGEBZ 10,608,74

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