CAS 56-35-9|Tributyltin oxide

Introduction：Basic information about CAS 56-35-9|Tributyltin oxide, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Toxicological Information
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
MUTATION DATA
4. Safety Information
5. Customs
6. Articles46
7. Synonyms

Common Name	Tributyltin oxide
CAS Number	56-35-9	Molecular Weight	596.105
Density	1.17 g/mL at 25 °C(lit.)	Boiling Point	474.8±28.0 °C at 760 mmHg
Molecular Formula	C₂₄H₅₄OSn₂	Melting Point	-45°C
MSDS	ChineseUSA	Flash Point	241.0±24.0 °C
Symbol	GHS06, GHS08, GHS09	Signal Word	Danger

Names

Name	tributyltin oxide
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.17 g/mL at 25 °C(lit.)
Boiling Point	474.8±28.0 °C at 760 mmHg
Melting Point	-45°C
Molecular Formula	C₂₄H₅₄OSn₂
Molecular Weight	596.105
Flash Point	241.0±24.0 °C
Exact Mass	598.221863
PSA	9.23000
LogP	5.02
Vapour Pressure	0.0±1.1 mmHg at 25°C
Index of Refraction	n20/D 1.486(lit.)
InChIKey	APQHKWPGGHMYKJ-UHFFFAOYSA-N
SMILES	CCCC[Sn](CCCC)(CCCC)O[Sn](CCCC)(CCCC)CCCC
Water Solubility	INSOLUBLE

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: JN8750000

CHEMICAL NAME :: Distannoxane, hexabutyl-

CAS REGISTRY NUMBER :: 56-35-9

LAST UPDATED :: 199806

DATA ITEMS CITED :: 69

MOLECULAR FORMULA :: C24-H54-O-Sn2

MOLECULAR WEIGHT :: 596.16

WISWESSER LINE NOTATION :: 4-SN-4&4&O-SN-4&4&4

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 :: 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 :: 87 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 5 mg/kg

TOXIC EFFECTS :: Behavioral - coma Gastrointestinal - alteration in gastric secretion Nutritional and Gross Metabolic - other changes

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 55 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 163 mg/kg

TOXIC EFFECTS :: Behavioral - altered sleep time (including change in righting reflex) Behavioral - changes in motor activity (specific assay) Kidney, Ureter, Bladder - other changes

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 12500 ug/kg

TOXIC EFFECTS :: Nutritional and Gross Metabolic - body temperature decrease

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 6 mg/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Lungs, Thorax, or Respiration - other changes

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 50 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 900 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - acute pulmonary edema Gastrointestinal - hypermotility, diarrhea

TYPE OF TEST :: LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 200 mg/m3

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Behavioral - aggression Lungs, Thorax, or Respiration - dyspnea

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 3360 mg/kg/6W-C

TOXIC EFFECTS :: Endocrine - changes in thymus weight Blood - changes in spleen Immunological Including Allergic - decreased immune response

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 390 mg/kg/26W-I

TOXIC EFFECTS :: Endocrine - other changes Endocrine - changes in pituitary weight Endocrine - changes in thymus weight

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 462 mg/kg/22W-C

TOXIC EFFECTS :: Endocrine - changes in thymus weight Immunological Including Allergic - decreased immune response

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1400 mg/kg/28D-C

TOXIC EFFECTS :: Endocrine - other changes Endocrine - changes in spleen weight

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1700 mg/kg/34D-C

TOXIC EFFECTS :: Immunological Including Allergic - decreased immune response

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2800 ug/m3/4H/32D-I

TOXIC EFFECTS :: Behavioral - food intake (animal) Lungs, Thorax, or Respiration - structural or functional change in trachea or bronchi Related to Chronic Data - death

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1860 mg/kg/4D-C

TOXIC EFFECTS :: Endocrine - changes in spleen weight Blood - changes in leukocyte (WBC) count Nutritional and Gross Metabolic - weight loss or decreased weight gain

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Primate - monkey

DOSE/DURATION :: 21120 ug/kg/22W-I

TOXIC EFFECTS :: Blood - changes in leukocyte (WBC) count

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 37100 mg/kg/2Y-C

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Endocrine - tumors Endocrine - thyroid tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 36500 mg/kg/2Y-C

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Endocrine - tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 150 mg/kg

SEX/DURATION :: female 6-20 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Effects on Embryo or Fetus - fetal death

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 150 mg/kg

SEX/DURATION :: female 6-20 day(s) after conception

TOXIC EFFECTS :: Reproductive - Specific Developmental Abnormalities - Central Nervous System Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive) Reproductive - Effects on Newborn - delayed effects

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 40 mg/kg

SEX/DURATION :: lactating female 5 day(s) post-birth

TOXIC EFFECTS :: Reproductive - Specific Developmental Abnormalities - Central Nervous System Reproductive - Effects on Newborn - delayed effects

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 150 mg/kg

SEX/DURATION :: female 6-20 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Newborn - behavioral

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 400 mg/kg

SEX/DURATION :: female 6-15 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 50 mg/kg

SEX/DURATION :: female 6-15 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Embryo or Fetus - fetal death

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 324 mg/kg

SEX/DURATION :: female 6-17 day(s) after conception

TOXIC EFFECTS :: Reproductive - Maternal Effects - other effects Reproductive - Specific Developmental Abnormalities - musculoskeletal system

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 324 mg/kg

SEX/DURATION :: female 6-17 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue)

TYPE OF TEST :: Micronucleus test

MUTATION DATA

TYPE OF TEST :: Cytogenetic analysis

TEST SYSTEM :: Rodent - hamster Ovary

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 188,65,1987 *** REVIEWS *** ACGIH TLV-TWA 0.1 mg(Sn)/m3;STEL 0.2 mg/m3 (skin) 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-Not classifiable as a human carcinogen 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 TOXICOLOGY REVIEW EVHPAZ EHP, Environmental Health Perspectives. (U.S. Government Printing Office, Supt of Documents, Washington, DC 20402) No.1- 1972- Volume(issue)/page/year: 4,61,1973 TOXICOLOGY REVIEW EQSFAP Environmental Quality and Safety. (Stuttgart, Fed. Rep. Ger.) V.1-5, 1972-76. Discontinued. Volume(issue)/page/year: 4,80,1975 *** 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 mg(Sn)/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: 3,258,1971 OSHA PEL (Gen Indu):8H TWA 0.1 mg(Sn)/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 (Construc):8H TWA 0.1 mg(Sn)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 0.1 mg(Sn)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 0.1 mg(Sn)/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 mg(Sn)/m3;Skin JAN 1993 OEL-BELGIUM:TWA 0.1 mg(Sn)/m3;Skin JAN 1993 OEL-DENMARK:TWA 0.1 mg(Sn)/m3;Skin JAN 1993 OEL-FINLAND:TWA 0.1 mg(Sn)/m3;STEL 0.3 mg(Sn)/m3;Skin JAN 1993 OEL-FRANCE:TWA 0.1 mg(Sn)/m3;STEL 0.2 mg(Sn)/m3 JAN 1993 OEL-GERMANY:TWA 0.002 ppm (0.05 mg/m3) JAN 1993 OEL-GERMANY:TWA 0.1 mg(Sn)/m3;Skin JAN 1993 OEL-HUNGARY:STEL 0.1 mg(Sn)/m3;Skin JAN 1993 OEL-THE NETHERLANDS:TWA 0.1 mg(Sn)/m3;Skin JAN 1993 OEL-THE PHILIPPINES:TWA 0.1 mg(Sn)/m3 JAN 1993 OEL-SWEDEN:TWA 0.1 mg(Sn)/m3;STEL 0.2 mg(Sn)/m3;Skin JAN 1993 OEL-SWITZERLAND:TWA 0.1 mg(Sn)/m3;STEL 0.2 mg(Sn)/m3;Skin JAN 1993 OEL-THAILAND:TWA 0.1 mg(Sn)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.1 mg(Sn)/m3;STEL 0.2 mg(Sn)/m3;Skin 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 ORGANOTIN COMPOUND-air:10H TWA 0.1 mg(Sn)/m3 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 : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84318 No. of Facilities: 1217 (estimated) No. of Industries: 25 No. of Occupations: 24 No. of Employees: 7773 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84318 No. of Facilities: 2686 (estimated) No. of Industries: 45 No. of Occupations: 31 No. of Employees: 36413 (estimated) No. of Female Employees: 7903 (estimated)

Safety Information

Symbol	GHS06, GHS08, GHS09
Signal Word	Danger
Hazard Statements	H301 + H311-H315-H319-H372-H410
Precautionary Statements	Missing Phrase - N15.00950417-P260-P280-P302 + P352 + P312-P305 + P351 + P338
Personal Protective Equipment	Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	T:Toxic;N:Dangerousfortheenvironment;
Risk Phrases	R21;R25;R36/38;R48/23/25;R50/53
Safety Phrases	S35-S36/37/39-S45-S60-S61
RIDADR	UN 2788 6.1/PG 2
WGK Germany	3
RTECS	JN8750000
Packaging Group	II
Hazard Class	6.1
HS Code	29310095

Customs

HS Code	29310095

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Synonyms

Hexabutyldistannoxane

MFCD00009418

Tributyltin oxide

Distannoxane, 1,1,1,3,3,3-hexabutyl-

tributyl(tributylstannyloxy)stannane

EINECS 200-268-0

Bis(tri-n-butyltin) oxide

BTO

bis(tributyltin) oxide

TBTO

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