| Identification | More | [Name]
Sodium selenite pentahydrate | [CAS]
26970-82-1 | [Synonyms]
Selenious acid disodium salt pentahydrate
SODIUM SELENITE 5-HYDRATE
SODIUM SELENITE, HYDRATE
SODIUM SELENITE PENTAHYDRATE
SodiumSeleniteGr
SODIUM SELENITE, HYDRATE REAGENT
Sodium Selenite Pentahydrate, technical grade | [EINECS(EC#)]
233-267-9 | [Molecular Formula]
H10Na2O8Se | [MDL Number]
MFCD00149173 | [Molecular Weight]
263.01 | [MOL File]
26970-82-1.mol |
| Chemical Properties | Back Directory | [Appearance]
White or almost white, crystalline powder, hygroscopic. | [solubility ]
H2O: soluble1g/10 mL, clear, colorless (≤3.5 NTU) | [color ]
White or almost white, crystalline powder, hygroscopic. | [PH]
9.8-10.8 | [biological source]
synthetic | [Water Solubility ]
soluble H2O; insoluble alcohol [HAW93] | [InChI]
InChI=1S/2Na.H2O3Se.5H2O/c;;1-4(2)3;;;;;/h;;(H2,1,2,3);5*1H2/q2*+1;;;;;;/p-2 | [InChIKey]
TUANAMBRHOLYTH-UHFFFAOYSA-L | [SMILES]
[Se]([O-])([O-])=O.O.O.O.O.O.[Na+].[Na+] | [Uses]
Used in treatment of selenium deficiency. | [CAS DataBase Reference]
26970-82-1(CAS DataBase Reference) |
| Hazard Information | Back Directory | [Chemical Properties]
White or almost white, crystalline powder, hygroscopic. | [Definition]
ChEBI: A hydrate that is the pentahydrate form of disodium selenite. | [Hazard]
A poison.
|
| Safety Data | Back Directory | [Hazard Codes ]
T+,N,T | [Risk Statements ]
R23:Toxic by inhalation.
R28:Very Toxic if swallowed.
R31:Contact with acids liberates toxic gas.
R43:May cause sensitization by skin contact.
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R33:Danger of cumulative effects.
R23/25:Toxic by inhalation and if swallowed . | [Safety Statements ]
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S36/37:Wear suitable protective clothing and gloves .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S60:This material and/or its container must be disposed of as hazardous waste .
S20/21:When using, do not eat, drink or smoke . | [RIDADR ]
UN 2630 6.1/PG 1
| [WGK Germany ]
2
| [RTECS ]
VS7420000
| [F ]
3 | [PackingGroup ]
I | [Storage Class]
6.1B - Non-combustible acute toxic Cat. 1 and 2
very toxic hazardous materials | [Hazard Classifications]
Acute Tox. 2 Oral
Acute Tox. 3 Inhalation
Aquatic Chronic 2
Skin Sens. 1 | [Safety Profile]
Poison by intramuscular and intraperitoneal routes. An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of Se and Na2O. See also SELENIUM COMPOUNDS. | [Toxicity]
mouse,LD50,intramuscular,10070ug/kg (10.07mg/kg),International Congress Series--Excerpta Medica. Vol. (440), Pg. 312, 1978. |
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