The Registry of Toxic Effects of Chemical Substances

Pyrosulfurous acid, disodium salt

RTECS #: UX8225000

CAS #: 7681-57-4

UPDATE: November 2004 MW: 190.10 MF: O5S2•2Na


NOTE:

TABLE OF CONTENTS:
  1. SYNONYMS:
  2. SKIN AND EYE IRRITATION DATA:
  3. MUTATION DATA:
  4. REPRODUCTIVE EFFECTS DATA:
  5. ACUTE TOXICITY DATA:
  6. OTHER MULTIPLE DOSE DATA:
  7. REVIEWS:
  8. STANDARDS AND REGULATIONS:
  9. NIOSH DOCUMENTATION AND SURVEILLANCE:
  10. STATUS IN FEDERAL AGENCIES:
  11. REFERENCES:

SYNONYMS:

  1. Disodium disulfite
  2. Disodium metabisulfite
  3. Disodium pyrosulfite
  4. Disulfurous acid, disodium salt
  5. Sodium disulfite
  1. Sodium metabisulfite
  2. Sodium metabisulfite (ACGIH)
  3. Sodium metabisulphite
  4. Sodium pyrosulfite


SKIN AND EYE IRRITATION DATA AND REFERENCES:

ROUTE/
ORGANISM 		DOSE
EFFECT

 REFERENCE
eye
rabbit 		100 mg/24 hour mild NTIS** OTS0556759
skin
rabbit 		500 mg mild NTIS** OTS0557608


MUTATION DATA AND REFERENCES:

SYSTEM TEST ROUTE/
ORGANISM/
TISSUE 		DOSE REFERENCE
cytogenetic analysis hamster ovary 180 µg/L ENMUDM 7,1,1985
mutation in microorganisms Salmonella typhimurium 100 mmol/L (+enzymatic activation step) MUREAV 179,159,1987
sister chromatid exchange hamster ovary 200 µg/L ENMUDM 7,1,1985


REPRODUCTIVE EFFECTS DATA AND REFERENCES:

ROUTE/
ORGANISM 		DOSE
EFFECT

 REFERENCE
oral
rat 		lowest published toxic dose: 20 gm/kg (multigenerations) Reproductive: Effects on newborn: Stillbirth FCTXAV 10,291,1972
oral
rat 		lowest published toxic dose: 40 gm/kg (multigenerations) Reproductive: Effects on newborn: Weaning or lactation index (e.g., # alive at weaning per # alive at day 4) FCTXAV 10,291,1972


TUMORIGENIC DATA AND REFERENCES:

ROUTE/
ORGANISM 		DOSE
EFFECT

 REFERENCE
N/R
 N/R N/R N/R


ACUTE TOXICITY DATA AND REFERENCES:

ROUTE/
ORGANISM 		DOSE
EFFECT

 REFERENCE
intravenous
rat 		lethal dose (50 percent kill): 115 mg/kg N/R 85INA8 6,1418,1991
intravenous
rabbit 		lowest published lethal dose: 192 mg/kg N/R TXAPA9 24,266,1973
oral
rat 		lethal dose (50 percent kill): 1,131 mg/kg Behavioral: Food intake (animal)

Behavioral: Muscle weakness

Skin and Appendages: Other: Hair 		NTIS** OTS0556695
parenteral
mouse 		lethal dose (50 percent kill): 910 mg/kg N/R RPTOAN 31,120,1968
skin
guinea pig 		lethal dose (50 percent kill): >1 gm/kg Skin: After systemic exposure: Dermatitis, other

Skin and Appendages: Other: Hair 		NTIS** OTS0556695
skin
rat 		lethal dose (50 percent kill): >2 gm/kg N/R NTIS** OTS0557608


OTHER MULTIPLE DOSE DATA AND REFERENCES:

ROUTE/
ORGANISM 		DOSE
EFFECT

 REFERENCE
oral
pig 		lowest published toxic dose: 562 gm/kg/48 week- continuous Liver: Changes in liver weight

Kidney, Ureter, and Bladder: Changes in bladder weight

Nutritional and Gross Metabolic: Weight loss or decreased weight gain 		FCTXAV 10,463,1972
oral
rat 		lowest published toxic dose: 75 mg/kg/15 day- continuous Kidney, Ureter, and Bladder: Other changes

Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: Phosphatases

Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: Dehydrogenases 		TXCYAC 81,173,1993


REVIEWS:

ORGANIZATION STANDARD
REFERENCE
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value time-weighted average 5 mg/m3 DTLVS* TLV/BEI,2003
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value Not Classifiable as a Human Carcinogen DTLVS* TLV/BEI,2003
International Agency for Research on Cancer (IARC) Cancer Review Human Inadequate Evidence IMEMDT 54,131,1992
International Agency for Research on Cancer (IARC) Cancer Review Animal Inadequate Evidence IMEMDT 54,131,1992
International Agency for Research on Cancer (IARC) Cancer Review Group 3 IMEMDT 54,131,1992


STANDARDS AND REGULATIONS:

ORGANIZATION STANDARD
REFERENCE
Occupational Exposure Limit - AUSTRALIA time-weighted average 5 mg/m3, JAN1993
Occupational Exposure Limit - BELGIUM time-weighted average 5 mg/m3, JAN1993
Occupational Exposure Limit - DENMARK time-weighted average 5 mg/m3, JAN1999
Occupational Exposure Limit - FRANCE VME 5 mg/m3, JAN1999
Occupational Exposure Limit - NORWAY time-weighted average 5 mg/m3, JAN1999
Occupational Exposure Limit - SWITZERLAND MAK- week 5 mg/m3, JAN1999
Occupational Exposure Limit - UNITED KINGDOM time-weighted average 5 mg/m3, SEP2000
Occupational Exposure Limit - THE NETHERLANDS MAC-TGG 5 mg/m3, 2003
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN, KOREA American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value;

Not Classifiable as a Human Carcinogen
Occupational Exposure Limit IN NEW ZEALAND, SINGAPORE, VIETNAM American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value
Not Classifiable as a Human Carcinogen


NIOSH DOCUMENTATION AND SURVEILLANCE:

ORGANIZATION STANDARD or SURVEY
REFERENCE
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO SODIUM METABISULFITE-air 10 hour time-weighted average 5 mg/m3 NIOSH* DHHS #92-100,1992
National Occupational Exposure Survey 1983 National Occupational Exposure Survey 1983: Hazard Code: X4004;
Number of Industries 73;
Total Number of Facilities 8,367;
Number of Occupations 68;
Total Number of Employees Exposed 88,236;
Total Number of Female Employees Exposed 28,696


STATUS IN FEDERAL AGENCIES:

ORGANIZATION
REFERENCE
EPA GENETOX PROGRAM 1988, Negative: TRP reversion
EPA TSCA Section 8(b) CHEMICAL INVENTORY
Used as a food preservative and as an antioxidant
EPA TSCA Section 8(d) unpublished health/safety studies
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001


REFERENCES:

CODEN
REFERENCE
85INA8 "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986
DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996
ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG.
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7.
IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972-
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964-
NIOSH* National Institute of Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda.
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information.
RPTOAN Russian Pharmacology and Toxicology (English Translation). Translation of FATOAO. (Euromed Pub., 33, Woodlands Rd., Surbiton, Surrey, UK) V.30- 1967-
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959-
TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85, Limerick, Ireland) V.1- 1973-

Used as a food preservative and as an antioxidant

RTECS Compound Description:
   Agricultural Chemical
   Tumorigen
   Mutagen
   Reproductive Effector
   Primary Irritant

ALT CAS #: 7757-74-6
ALT CAS #: 15771-29-6
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