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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
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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

System Generated Number

  • 0007783008

Structure Descriptors

InChI

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

InChIKey

MCAHWIHFGHIESP-UHFFFAOYSA-N

Smiles

[Se](=O)(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.