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Chlorine dioxide

Names

[ CAS No. ]:
10049-04-4

[ Name ]:
Chlorine dioxide

[Synonym ]:
dioxidochlorine(.)
Anthium dioxcide
Caswell No. 179A
Chlorine peroxide
Doxcide 50
Chloroperoxyl
chloride dioxide
Chlorosyloxidanyl
CHLORINE DIOXIDE
ClO2(.)
Chloranyl, dioxido-
EINECS 233-162-8
chlorine oxide
Chloryl radical
chlorine dioxine
Chlorine(IV) oxide
chlorosyloxy
Alcide
OClO radical
MFCD01732063
Dioxido-λ-chloranyl
Chlorine oxide (ClO2)

Chemical & Physical Properties

[ Density]:
3.09g/L

[ Boiling Point ]:
11°C

[ Melting Point ]:
-59°C

[ Molecular Formula ]:
ClO2

[ Molecular Weight ]:
67.452

[ Exact Mass ]:
66.958679

[ PSA ]:
34.14000

[ LogP ]:
0.45190

[ Stability ]:
May decompose explosively on shock, friction or concussion, or on heating rapidly. Strong oxidant - reacts violently with combustible and reducing materials, and with mercury, ammonia, sulphur and many organic compounds.

[ Water Solubility ]:
Soluble ºC

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
FO3000000
CHEMICAL NAME :
Chlorine oxide
CAS REGISTRY NUMBER :
10049-04-4
LAST UPDATED :
199712
DATA ITEMS CITED :
43
MOLECULAR FORMULA :
Cl-O2
MOLECULAR WEIGHT :
67.45
WISWESSER LINE NOTATION :
O2 G

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
292 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - respiratory stimulation Skin and Appendages - hair
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
260 ppm/2H
TOXIC EFFECTS :
Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Sense Organs and Special Senses (Eye) - effect, not otherwise specified
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
140 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
365 mg/kg/1Y-C
TOXIC EFFECTS :
Blood - pigmented or nucleated red blood cells Blood - other changes Nutritional and Gross Metabolic - weight loss or decreased weight gain
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
10 ppm/4H/14D-I
TOXIC EFFECTS :
Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Kidney, Ureter, Bladder - other changes Related to Chronic Data - death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
960 mg/kg
SEX/DURATION :
female 76 day(s) pre-mating female 1-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea) Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
570 mg/kg
SEX/DURATION :
female 14 day(s) pre-mating - 21 day(s) post-birth
TOXIC EFFECTS :
Reproductive - Effects on Newborn - behavioral Reproductive - Effects on Newborn - physical
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
1130 mg/kg
SEX/DURATION :
male 8 week(s) pre-mating female 2 week(s) pre-mating - 3 week(s) post-birth
TOXIC EFFECTS :
Reproductive - Effects on Newborn - biochemical and metabolic
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
840 mg/kg
SEX/DURATION :
female 1-21 day(s) after conception lactating female 21 day(s) post-birth
TOXIC EFFECTS :
Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)
TYPE OF TEST :
DNA inhibition

MUTATION DATA

TEST SYSTEM :
Rodent - mouse
REFERENCE :
FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 26,487,1988 *** REVIEWS *** ACGIH TLV-STEL 0.83 mg/m3 (0.3 ppm) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-TWA 0.28 mg/m3 (0.1 ppm) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 MSHA STANDARD-air:TWA 0.1 ppm (0.3 mg/m3) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,46,1971 OSHA PEL (Gen Indu):8H TWA 0.1 ppm (0.3 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Fed Cont):8H TWA 0.1 ppm (0.3 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 0.1 ppm (0.3 mg/m3);STEL 0.3 ppm (0.9 mg/m3) JAN 1993 OEL-AUSTRIA:TWA 0.1 ppm (0.3 mg/m3) JAN 1993 OEL-BELGIUM:TWA 0.1 ppm (90.28 mg/m3);STEL 0.3 ppm (0.32 mg/m3) JAN 1993 OEL-DENMARK:TWA 0.1 ppm (0.3 mg/m3) JAN 1993 OEL-FINLAND:TWA 0.1 ppm (0.3 mg/m3);STEL 0.3 ppm (0.9 mg/m3) JAN 1993 OEL-FRANCE:TWA 0.1 ppm (0.3 mg/m3);STEL 0.3 ppm (0.8 mg/m3) JAN 1993 OEL-GERMANY:TWA 0.1 ppm (0.3 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 0.1 ppm (0.3 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 0.1 ppm (0.3 mg/m3) JAN 1993 OEL-POLAND:TWA 0.3 mg/m3 JAN 1993 OEL-RUSSIA:STEL 0.1 mg/m3 JAN 1993 OEL-SWEDEN:TWA 0.1 ppm (0.3 mg/m3);STEL 0.3 ppm (0.8 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 0.1 ppm (0.3 mg/m3);STEL 0.2 ppm (0.6 mg/m3) JAN 1993 OEL-THAILAND:TWA 0.1 ppm (0.3 mg/m3) JAN 1993 OEL-TURKEY:TWA 0.1 ppm (0.3 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 0.1 ppm (0.3 mg/m3);STEL 0.3 ppm JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO CHLORINE DIOXIDE-air:10H TWA 0.1 ppm;STEL 0.3 ppm REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 18045 No. of Facilities: 236 (estimated) No. of Industries: 7 No. of Occupations: 12 No. of Employees: 7892 (estimated) No. of Female Employees: 4348 (estimated)

Safety Information

[ Hazard Codes ]:
O: Oxidizing agent;T+: Very toxic;N: Dangerous for the environment;

[ Risk Phrases ]:
R6

[ Safety Phrases ]:
S23-S26-S28-S36/37/39-S38-S45-S61

[ RIDADR ]:
UN 9191

Synthetic Route

Precursor & DownStream


Related Compounds