CAS No.10102-18-8,Sodium selenite Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	10102-18-8
Name:	Sodium selenite
Article Data:	1

Formula:	H₂O₃Se.2Na
Molecular Weight:	172.938
Synonyms:	Seleniousacid (H2SeO3), disodium salt (8CI);Selenious acid, disodium salt (9CI);Disodium selenite;Disodium selenium trioxide;Neoselen;Selamin;Sodiumselenate (Na2SeO3);Sodium selenium oxide (Na2SeO3);Selenious acid, sodiumsalt (1:2);
EINECS:	233-267-9
Density:	3.1[at 20℃]
Melting Point:	350 °C
Solubility:	950 g/L (20 °C) in water
Appearance:	White to light beige crystals
Hazard Symbols:	T+,N,Xi
Risk Codes:	23-28-31-43-51/53-36/37/38
Safety:	28-36/37-45-61-36-26
Transport Information:	UN 2630 6.1/PG 1
PSA:	63.19000
LogP:	-0.73720

Synthetic route

: 7446-08-4
selenium(IV) oxide

: 497-19-8
sodium carbonate

: 10102-18-8
NaO3Se(1-)*Na(1+)

Conditions

Conditions	Yield
In neat (no solvent, solid phase) metal carbonate is reacted with solid SeO2 (fusion);

Raw Materials

497-19-8

7446-08-4

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Consensus Reports

IARC Cancer Review: Group 3 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 7 ,1987,p. 56.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 9 ,1975,p. 245.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program. EPA Extremely Hazardous Substances List. Selenium and its compounds are on the Community Right-To-Know List.

Standards and Recommendations

OSHA PEL: TWA 0.2 mg(Se)/m³
ACGIH TLV: TWA 0.2 mg(Se)/m³
DFG MAK: 0.1 mg(Se)/m³
DOT Classification: 6.1; Label: Poison

Specification

This chemical is called Sodium selenite, and its CAS registry number is 10102-18-8. With the classification codes of Human Data; Mutation data; Reproductive Effect; Tumor data, its product categories are Inorganics; Antioxidant Synthetic Reagents; Sodium Neural Stem Cell Biology; Supplements / Reagents; Hybridoma Platform; Serum-free Media; Antioxidant Cancer Research; Chemopreventive Agents; Biochemicals Found in Plants; Inorganic Salts; Nutrition Research; Sodium Metal and Ceramic Science. In addition, this chemical should be sealed in the cool and dry place, away from oxides, acid, fire and heat. Don't keep it with food, seed, feed, all kinds of daily necessities.

Other characteristics of the Sodium selenite can be summarised as followings: (1)#H bond acceptors: 3; (2)#H bond donors: 2; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 57.53 Å².

Synthesis of this chemcial: Selenium reacts with nitric acid and selenium dioxide. After the removal of nitrogen dioxide, add sodium hydroxide solution. Through the concentrated by heating, dry grinding, you will finally get the Sodium selenite.

Uses of this chemical: The sodium selenite is used as a nutrient enhancer, feed additives, chemical and biological reagents, test alkaloids, testing seed germination. It's also used on a red glass and glaze preparation.

You can still convert the following datas into molecular structure:
1.SMILES: [Na+].[Na+].[O-][Se]([O-])=O
2.InChI: InChI=1/2Na.H2O3Se/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
3.InChIKey: BVTBRVFYZUCAKH-NUQVWONBAC

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
cattle	LDLo	oral	9900ug/kg (9.9mg/kg)		Journal of the American College of Toxicology. Vol. 5(1), Pg. 45, 1986.
chicken	LD50	parenteral	8500ug/kg (8.5mg/kg)		Neuropharmacology. Vol. 25, Pg. 493, 1990.
dog	LD50	intravenous	1916ug/kg (1.916mg/kg)	CARDIAC: ARRHYTHMIAS (INCLUDING CHANGES IN CONDUCTION) LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"	Proceedings of the South Dakota Academy of Science. Vol. 36, Pg. 173, 1957.
dog	LDLo	subcutaneous	4mg/kg (4mg/kg)		Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975.
domestic animals - goat/sheep	LD50	intramuscular	1533ug/kg (1.533mg/kg)	SENSE ORGANS AND SPECIAL SENSES: OTHER CHANGES: OLFACTION BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA	Veterinary and Human Toxicology. Vol. 29, Pg. 233, 1987.
domestic animals - goat/sheep	LDLo	oral	3300ug/kg (3.3mg/kg)		Journal of the American College of Toxicology. Vol. 5(1), Pg. 45, 1986.
guinea pig	LD50	oral	5060ug/kg (5.06mg/kg)		Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 35(2), Pg. 14, 1970.
horse/donkey	LD50	oral	13mg/kg (13mg/kg)	CARDIAC: PULSE RATE INCREASE WITHOUT FALL IN BP LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"	American Journal of Veterinary Research. Vol. 41, Pg. 1925, 1980.
man	TDLo	oral	24mg/kg (24mg/kg)	GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" GASTROINTESTINAL: NAUSEA OR VOMITING	Veterinary and Human Toxicology. Vol. 39, Pg. 304, 1997.
mouse	LD50	intracervical	300ug/kg (0.3mg/kg)	PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE) BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA	Neurotoxicology. Vol. 2, Pg. 383, 1981.
mouse	LD50	intravenous	5mg/kg (5mg/kg)	PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE) LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES CARDIAC: OTHER CHANGES	Neurotoxicology. Vol. 2, Pg. 383, 1981.
mouse	LD50	oral	7080ug/kg (7.08mg/kg)		Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 35(2), Pg. 14, 1970.
mouse	LD50	subcutaneous	13mg/kg (13mg/kg)		Sangyo Igaku. Japanese Journal of Industrial Health. Vol. 17, Pg. 491, 1975.
pig	LDLo	intramuscular	2190ug/kg (2.19mg/kg)	LUNGS, THORAX, OR RESPIRATION: DYSPNEA GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"	Journal of the American Veterinary Medical Association. Vol. 165, Pg. 543, 1974.
pig	LDLo	intravenous	6570ug/kg (6.57mg/kg)	BRAIN AND COVERINGS: RECORDINGS FROM SPECIFIC AREAS OF CNS LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)	American Journal of Veterinary Research. Vol. 34, Pg. 1227, 1973.
pig	LDLo	oral	13mg/kg (13mg/kg)		Journal of the American College of Toxicology. Vol. 5(1), Pg. 45, 1986.
rabbit	LD50	intramuscular	2530ug/kg (2.53mg/kg)		Archiv fuer Experimentelle Veterinaermedizin. Vol. 30, Pg. 627, 1976.
rabbit	LD50	oral	2250ug/kg (2.25mg/kg)		Hygiene and Sanitation Vol. 35(1-3), Pg. 176, 1970.
rabbit	LDLo	intraperitoneal	4mg/kg (4mg/kg)		Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975.
rabbit	LDLo	intravenous	1971ug/kg (1.971mg/kg)		Journal of Pharmacology and Experimental Therapeutics. Vol. 33, Pg. 270, 1928.
rabbit	LDLo	parenteral	1971ug/kg (1.971mg/kg)		Clinical Toxicology. Vol. 17, Pg. 171, 1980.
rabbit	LDLo	subcutaneous	6mg/kg (6mg/kg)	BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD ENDOCRINE: HYPOGLYCEMIA	Proceedings of the Society for Experimental Biology and Medicine. Vol. 24, Pg. 251, 1926.
rat	LD50	intravenous	3mg/kg (3mg/kg)		Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975.
rat	LD50	oral	7mg/kg (7mg/kg)	BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"	Toxicology and Applied Pharmacology. Vol. 20, Pg. 89, 1971.
rat	LD50	parenteral	6570ug/kg (6.57mg/kg)		Clinical Toxicology. Vol. 17, Pg. 171, 1980.
rat	LDLo	intraperitoneal	5476ug/kg (5.476mg/kg)	BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY) LUNGS, THORAX, OR RESPIRATION: CYANOSIS LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES	Journal of Pharmacology and Experimental Therapeutics. Vol. 58, Pg. 454, 1936.