Skip Navigation
ChemIDplus Lite•Browse•Advanced

Substance Name: Selenious acid [USP]
RN: 7783-00-8
UNII: F6A27P4Q4R
InChIKey: MCAHWIHFGHIESP-UHFFFAOYSA-N

Note

  • A selenium compound with the molecular formula H2SO3. It used as a source of SELENIUM, especially for patients that develop selenium deficiency following prolonged PARENTERAL NUTRITION.

Molecular Formulas

  • H2-O3-Se
  • H2-Se-O3

Molecular Weight

  • 128.9728
 

Classification Codes

Classification Codes

  • Agricultural Chemical
  • Experimental Pesticide
  • Growth Substances
  • Micronutrients
  • Mutation Data
  • Supplement (Trace Mineral)
  • Trace Elements
  • Unspecified / Unclassified Pesticide

Superlist Classification Codes

  • Reportable Quantity (RQ) = 10 lb
  • Threshold Planning Quantity (TPQ) = 1000/10000 lb
* denotes mobile formatted website

Links to Resources

NLM Resources (File Locators)

Regulatory Agencies (Superlist Locators)

Other Resources (Internet Locators)


Search for this InChIKey on the Web

Names and Synonyms

Name of Substance

  • Selenious acid
  • Selenious acid [USP]

MeSH Heading

  • Selenious acid

Synonyms

  • CCRIS 5530
  • EC 231-974-7
  • EINECS 231-974-7
  • HSDB 6065
  • Hydrogen Selenite
  • Monohydrated selenium dioxide
  • RCRA waste number U204
  • Selenious acid
  • Selenious acid (H2SeO3)
  • Selenite
  • Selenium dioxide
  • Selenous acid
  • UNII-F6A27P4Q4R

Systematic Names

  • Selenious acid
  • Selenium dioxide, monohydrated

Superlist Names

  • RCRA waste no. U204
  • Selenious acid
  • Selenous acid

Registry Numbers

CAS Registry Number

  • 7783-00-8

FDA UNII

  • F6A27P4Q4R

Other Registry Numbers

  • 11140-60-6
  • 1408288-83-4
  • 2225846-51-3

System Generated Number

  • 0007783008

Structure Descriptors

InChI

InChI=1S/H2O3Se/c1-4(2)3/h(H2,1,2,3)

InChIKey

MCAHWIHFGHIESP-UHFFFAOYSA-N

Smiles

O[Se](=O)O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intravenous 11mg/kg (11mg/kg)   U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#05656,
rat LDLo intraperitoneal 10mg/kg (10mg/kg)   National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. Vol. 5, Pg. 28, 1953.
rat LDLo oral 25mg/kg (25mg/kg)   National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. Vol. 5, Pg. 28, 1953.