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Registry of Toxic Effects of Chemical Substances (RTECS)

Copper(I) oxide

RTECS #

GL8050000

CAS #

1317-39-1

Updated

July 2013

Molecular Weight

143.08

Molecular Formula

Cu2O

Synonyms

Brown copper oxide
C.I. 77402
Caocobre
Copox
Copper nordox
Copper oxide (8CI,9CI)
Copper suboxide
Copper(1+) oxide
Copper-sandoz
Cupper oxide (Russian)
Cupramar
Cuprous oxide
Dicopper monoxide
Fungimar
Fungi-rhap Cu-75
Kupferoxydul (German)
Kuprite
Nordox
Oleo nordox
Oleocuivre
Oxyde cuivreux (French)
Perenox
Red copper oxide
Yellow cuprocide

Reproductive Effects Data and References

Route/OrganismDoseEffectReference
inhalation/rat 11 µg/m3/24H (14W male)Reproductive: Effects on fertility: Male fertility index (e.g., # males impregnating females per # males exposed to fertile nonpregnant females)GISAAA 41(6),8,1976

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
intraperitoneal/mouse lethal dose (50 percent kill): 380 mg/kgCUTOEX 1,39,1993
oral/rat lethal dose (50 percent kill): 470 mg/kgVCVN1* -,67,1998

Other Multiple Dose Data and References

Route/OrganismDoseEffectReference
inhalation/rat lowest published toxic concentration: 1 mg/m3/24H/14W- continuousBlood: Changes in serum composition (e.g. TP, bilirubin, cholesterol)

Blood: Other changes

Blood: Changes in erythrocyte (RBC) count
GISAAA 41(6),8,1976

Reviews

OrganizationStandardReference
TOXICOLOGY REVIEW85DHAX Cu,56,1977
TOXICOLOGY REVIEWHUTOX* -,561,1996
TOXICOLOGY REVIEWFEREAC 74,22478,2009

Standards and Regulations

OrganizationStandardReference
Environmental Protection Agency (EPA) Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATIONFEREAC 54,7740,1989
Environmental Protection Agency (EPA) Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) 1998 STATUS OF PESTICIDESSupportedRBREV* -,305,1998
Occupational Exposure Limit-ARAB Republic of Egypttime-weighted average 0.1 mg(Cu)/m3 (fume), JAN1993
Occupational Exposure Limit-FINLANDtime-weighted average 1 mg(Cu)/m3, NOV2011
Occupational Exposure Limit-GERMANYMAK 0.1 mg(Cu)/m3, inhal, 2011
Occupational Exposure Limit-HUNGARYtime-weighted average 1 mg(Cu)/m3, short term exposure limit 4 mg(Cu)/m3, SEP2000
Occupational Exposure Limit-INDIAtime-weighted average 0.2 mg(Cu)/m3 (fume), JAN1993
Occupational Exposure Limit-POLANDMAC(time-weighted average) 0.1 mg(Cu)/m3 (fume), JAN1993
Occupational Exposure Limit-RUSSIAshort term exposure limit 0.5 ppm (1 mg(Cu)/m3) (dust), JUN2003
Occupational Exposure Limit-SWEDENtime-weighted average 1 mg(Cu)/m3;time-weighted average 0.2 mg(Cu)/m3 (resp. dust), JUN2005
Occupational Exposure Limit-SWITZERLANDMAK-week 0.1 mg(Cu)/m3, KZG-week 0.2 mg(Cu)/m3, inhal, JAN2011
Occupational Exposure Limit-THAILANDtime-weighted average 1 mg(Cu)/m3, JAN1993
Occupational Exposure Limit-THAILANDtime-weighted average 0.1 mg(Cu)/m3 (fume), JAN1993
Occupational Exposure Limit-THE PHILIPPINEStime-weighted average 1.0 mg(Cu)/m3 (fume), JAN1993

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Occupational Exposure Survey 1983Hazard Code 81679; Number of Industries 10; Total Number of Facilities 1612; Number of Occupations 18; Total Number of Employees Exposed 14420; Total Number of Female Employees Exposed 815
National Occupational Hazard Survey 1974Hazard Code 81679; Number of Industries 7; Total Number of Facilities 508; Number of Occupations 14; Total Number of Employees Exposed 9387

Status in Federal Agencies

OrganizationReference
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001
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