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Substance Name: Sodium metabisulfite [NF]
RN: 7681-57-4
UNII: 4VON5FNS3C
InChIKey: HRZFUMHJMZEROT-UHFFFAOYSA-L

Note

  • Request from searcher.

Molecular Formulas

  • H2-O5-S2.2Na
  • Na2-S2-O5
  • O5-S2.2Na

Molecular Weight

  • 190.107
 

Classification Codes

Classification Codes

  • Agricultural Chemical
  • Autonomic Agents
  • Bronchoconstrictor Agents
  • Fungicide, Bactericide, Wood Preservative
  • Mutation Data
  • Peripheral Nervous System Agents
  • Pharmaceutic Aid (Antioxidant)
  • Reproductive Effect
  • Respiratory System Agents
  • Tumor Data

Superlist Classification Codes

  • Overall Carcinogenic Evaluation: Group 3
  • TWA 5 mg/m3; Not classifiable as a human carcinogen
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Names and Synonyms

Name of Substance

  • Sodium metabisulfite
  • Sodium metabisulfite [NF]

Synonyms

  • AI3-51684
  • Campden Tablets
  • CCRIS 3951
  • Disodium disulfite
  • Disodium metabisulfite
  • Disodium pyrosulfite
  • Disulfurous acid, disodium salt
  • EC 231-673-0
  • EINECS 231-673-0
  • Fertisilo
  • HSDB 378
  • Natrii disulfis
  • Natrium metabisulfurosum
  • Natrium pyrosulfit
  • Natriumbisulfit
  • Natriummetabisulfit
  • Pyrosulfurous acid, disodium salt
  • Sodium bisulfite anhydrous
  • Sodium disulfite
  • Sodium metabisulfite
  • Sodium metabisulfite (Na2-S2O5)
  • Sodium metabisulphite
  • Sodium pyrosulfite
  • Sodium pyrosulfite (Na2S2O5)
  • UNII-4VON5FNS3C

Systematic Names

  • Disodium disulphite
  • Disulfurous acid, disodium salt
  • Disulfurous acid, sodium salt (1:2)
  • Pyrosulfurous acid, disodium salt
  • Sodium metabisulfite

Superlist Names

  • Disulfurous acid, disodium salt
  • Sodium metabisulfite

Registry Numbers

CAS Registry Number

  • 7681-57-4

FDA UNII

  • 4VON5FNS3C

Other Registry Numbers

  • 1287784-10-4
  • 15771-29-6
  • 2242622-57-5
  • 7757-74-6

Related Registry Number

  • 18403-71-9 (unspecified hydrochloride salt)

System Generated Number

  • 0007681574

Molecular Formulas

Molecular Formulas

  • H2-O5-S2.2Na
  • Na2-S2-O5
  • O5-S2.2Na

Molecular Formula Fragments

  • COMPONENT
  • H2-O5-S2
  • Na
  • O5-S2

Structure Descriptors

InChI

InChI=1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2

InChIKey

HRZFUMHJMZEROT-UHFFFAOYSA-L

Smiles

[Na+].[Na+].[O-]S(=O)S(=O)(=O)[O-]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 skin > 1gm/kg (1000mg/kg) SKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE"

SKIN AND APPENDAGES (SKIN): HAIR: OTHER		 National Technical Information Service. Vol. OTS0556695,
mouse LD50 parenteral 910mg/kg (910mg/kg)   Russian Pharmacology and Toxicology Vol. 31, Pg. 120, 1968.
rabbit LDLo intravenous 192mg/kg (192mg/kg)   Toxicology and Applied Pharmacology. Vol. 24, Pg. 266, 1973.
rat LD50 intravenous 115mg/kg (115mg/kg)   "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986Vol. 6, Pg. 1418, 1991.
rat LD50 oral 1131mg/kg (1131mg/kg) SKIN AND APPENDAGES (SKIN): HAIR: OTHER

BEHAVIORAL: MUSCLE WEAKNESS

BEHAVIORAL: FOOD INTAKE (ANIMAL)		 National Technical Information Service. Vol. OTS0556695,
rat LD50 skin > 2gm/kg (2000mg/kg)   National Technical Information Service. Vol. OTS0557608,