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| Name |
SODIUM TELLURITE |
EINECS | 233-268-4 |
| CAS No. | 10102-20-2 | Density | g/cm3 |
| PSA | 63.19000 | LogP | -0.73720 |
| Solubility | appreciable | Melting Point |
N/A |
| Formula | H2O3 Te . 2 Na | Boiling Point | °Cat760mmHg |
| Molecular Weight | 221.58 | Flash Point | °C |
| Transport Information | N/A | Appearance | white powder |
| Safety | Human poison by ingestion and parenteral routes. Experimental poison by ingestion, intravenous, and intraperitoneal routes. Human systemic effects by ingestion: coma; dyspnea; nausea or vomiting. Human mutation data reported. When heated to decomposition it emits toxic fumes of Te and Na2O. See also TELLURIUM. | Risk Codes | 23/24/25 |
| Molecular Structure |
|
Hazard Symbols | Toxic by ingestion. |
| Synonyms |
Sodiumtellurate(IV) (Na2TeO3) (6CI,7CI); Telluric acid (H2TeO3), disodium salt(8CI,9CI); Disodium tellurate (Na2TeO3); Disodium tellurite; Disodiumtrioxotellurate; Sodium tellurate (Na2TeO3); Sodium tellurite; Sodium tellurite(Na2TeO3); Sodium tellurium oxide (Na2TeO3) |
SODIUM TELLURITE Chemical Properties
Product Name: Sodium tellurite (CAS NO.10102-20-2)
Molecular Formula: Na2O3Te
Molecular Weight: 221.58g/mol
Mol File: 10102-20-2.mol
Einecs: 233-268-4
Appearance: white powder
Melting Point: 710 °C
Stability: Stable. Incompatible with strong oxidizing agents.
H-Bond Donor: 0
H-Bond Acceptor: 3
Product Categories: Metal and Ceramic Science; Salts; Sodium Salts
SODIUM TELLURITE Uses
Sodium tellurite improves the corrosion resistance of electroplated nickel layers. Solutions of sodium tellurate are used for black or blue-black coatings on iron, steel, aluminum, and copper.
SODIUM TELLURITE Production
The main source of tellurium is from copper anode slimes, which contain precious metals as well as various tellurides. These slimes are roasted with sodium carbonate and oxygen to produce sodium tellurite.
Ag2Te + Na2CO3 + O2 = 2Ag + Na2TeO3 + CO2 (400-500°C)
SODIUM TELLURITE Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| guinea pig | LD50 | oral | 45mg/kg (45mg/kg) | Hygiene and Sanitation Vol. 32(1), Pg. 15, 1967. | |
| human | LDLo | oral | 30mg/kg (30mg/kg) | BEHAVIORAL: COMA LUNGS, THORAX, OR RESPIRATION: DYSPNEA GASTROINTESTINAL: NAUSEA OR VOMITING | British Journal of Industrial Medicine. Vol. 3, Pg. 175, 1946. |
| man | LDLo | parenteral | 29mg/kg (29mg/kg) | BEHAVIORAL: COMA LUNGS, THORAX, OR RESPIRATION: DYSPNEA GASTROINTESTINAL: NAUSEA OR VOMITING | British Journal of Industrial Medicine. Vol. 3, Pg. 175, 1946. |
| mouse | LD50 | oral | 20mg/kg (20mg/kg) | Hygiene and Sanitation Vol. 32(1), Pg. 15, 1967. | |
| rabbit | LD50 | oral | 53600ug/kg (53.6mg/kg) | Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975. | |
| rabbit | LDLo | intravenous | 868ug/kg (0.868mg/kg) | Journal of Pharmacology and Experimental Therapeutics. Vol. 33, Pg. 270, 1928. | |
| rat | LD50 | intraperitoneal | 2400ug/kg (2.4mg/kg) | Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975. | |
| rat | LD50 | oral | 83mg/kg (83mg/kg) | Hygiene and Sanitation Vol. 32(1), Pg. 15, 1967. | |
| rat | LDLo | intravenous | 2431ug/kg (2.431mg/kg) | Journal of Pharmacology and Experimental Therapeutics. Vol. 33, Pg. 270, 1928. |
SODIUM TELLURITE Consensus Reports
EPA Extremely Hazardous Substances List. Reported in EPA TSCA Inventory.
SODIUM TELLURITE Safety Profile
Human poison by ingestion and parenteral routes. Experimental poison by ingestion, intravenous, and intraperitoneal routes. Human systemic effects by ingestion: coma; dyspnea; nausea or vomiting. Human mutation data reported. When heated to decomposition it emits toxic fumes of Te and Na2O. See also TELLURIUM.
Safety Information of Sodium tellurite (CAS NO.10102-20-2):
Hazard Codes: T.gif){kind=small}
Risk Statements: 23/24/25
23: Toxic by inhalation
24: Toxic in contact with skin
25: Toxic if swallowed
Safety Statements: 22-36/37/39-45
22: Do not breathe dust
36: Wear suitable protective clothing
37: Wear suitable gloves
39: Wear eye/face protection
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
SODIUM TELLURITE Standards and Recommendations
OSHA PEL: TWA 0.1 mg(Te)/m3
ACGIH TLV: TWA 0.1 mg(Te)/m3
SODIUM TELLURITE Specification
Sodium tellurite ,its CAS NO. is 10102-20-2,the synonyms is Sodiumtellurate(iv;sodiumtellurate(iv) ; Telluricacid(h2teo3),disodiumsalt ; Telluricacid,disodiumsalt ; Tellurous acid,disodium salt ; Sodium tellurite ; Sodium tellurite (iv) ; Disodium trioxotellurate .
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