Dibenzothiophene

Modify Date: 2024-01-02 10:49:25

Dibenzothiophene structure	Common Name	Dibenzothiophene
	CAS Number	132-65-0	Molecular Weight	184.257
	Density	1.3±0.1 g/cm3	Boiling Point	332-333 ºC
	Molecular Formula	C₁₂H₈S	Melting Point	97-100 °C(lit.)
	MSDS	Chinese USA	Flash Point	170 ºC
	Symbol	GHS07, GHS09	Signal Word	Warning

Use of Dibenzothiophene

Dibenzothiophene is an intermediate of organic synthesis, consisting of two benzene rings fused to a central thiophene ring.

Name	dibenzothiophene
Synonym	More Synonyms

Description	Dibenzothiophene is an intermediate of organic synthesis, consisting of two benzene rings fused to a central thiophene ring.
Related Catalog	Signaling Pathways >> Others >> Others Research Areas >> Others

Density	1.3±0.1 g/cm3
Boiling Point	332-333 ºC
Melting Point	97-100 °C(lit.)
Molecular Formula	C₁₂H₈S
Molecular Weight	184.257
Flash Point	170 ºC
Exact Mass	184.034668
PSA	28.24000
LogP	4.38
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.756
Water Solubility	SOLUBLE

Name:	Dibenzothiophene 99% Material Safety Data Sheet
Synonym:	2,2'-Biphenylylene sulfide; 9-Thiafluorene; Dibenzo(b,d)thiophene; Diphenylene sulfide
CAS:	132-65-0

Section 1 - Chemical Product MSDS Name:Dibenzothiophene 99% Material Safety Data Sheet
Synonym:2,2'-Biphenylylene sulfide; 9-Thiafluorene; Dibenzo(b,d)thiophene; Diphenylene sulfide

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS

CAS#	Chemical Name	content	EINECS#
132-65-0	Dibenzothiophene	99	205-072-9

Hazard Symbols: XN
Risk Phrases: 22

Section 3 - HAZARDS IDENTIFICATION

EMERGENCY OVERVIEW
Harmful if swallowed.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation.
Ingestion:
Harmful if swallowed. Causes gastrointestinal irritation with nausea, vomiting and diarrhea.
Inhalation:
May cause respiratory tract irritation.
Chronic:
Chronic ingestion may cause liver damage.

Section 4 - FIRST AID MEASURES
Eyes: In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Get medical aid.
Skin:
In case of contact, flush skin with plenty of water. Remove contaminated clothing and shoes. Get medical aid if irritation develops and persists. Wash clothing before reuse.
Ingestion:
If swallowed, do not induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. Get medical aid.
Inhalation:
If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. This material in sufficient quantity and reduced particle size is capable of creating a dust explosion.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions. Provide ventilation.

Section 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid breathing dust.
Storage:
Store in a cool, dry place. Store in a tightly closed container.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 132-65-0: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to minimize contact with skin.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Crystalline powder
Color: yellow to green
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 332 - 333 deg C @ 760 mm Hg
Freezing/Melting Point: 97 - 100 deg C
Autoignition Temperature: > 450 deg C (> 842.00 deg F)
Flash Point: 170 deg C ( 338.00 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: soluble
Specific Gravity/Density:
Molecular Formula: C12H8S
Molecular Weight: 184.26

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Dust generation.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, oxides of sulfur, carbon dioxide.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 132-65-0: HQ3490550 LD50/LC50:
CAS# 132-65-0: Oral, mouse: LD50 = 470 mg/kg.
Carcinogenicity:
Dibenzothiophene - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION

Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION

IATA
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing group:

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN
Risk Phrases:
R 22 Harmful if swallowed.
Safety Phrases:
WGK (Water Danger/Protection)
CAS# 132-65-0: No information available.
Canada
CAS# 132-65-0 is listed on Canada's DSL List.
CAS# 132-65-0 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 132-65-0 is listed on the TSCA inventory.

SECTION 16 - ADDITIONAL INFORMATION
N/A

CHEMICAL IDENTIFICATION

RTECS NUMBER :: HQ3490550

CHEMICAL NAME :: Dibenzothiophene

CAS REGISTRY NUMBER :: 132-65-0

LAST UPDATED :: 199710

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C12-H8-S

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 470 mg/kg

TOXIC EFFECTS :: Behavioral - general anesthetic Behavioral - coma

REFERENCE :: FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 12,787,1989

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >500 mg/kg

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

REFERENCE :: CBCCT* "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. (National Academy of Science Library, 2101 Constitution Ave., NW, Washington, DC 20418) Volume(issue)/page/year: 4,378,1952 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 7480 mg/kg/24W-I

TOXIC EFFECTS :: Liver - fatty liver degeneration Liver - changes in liver weight Endocrine - changes in spleen weight

REFERENCE :: FOREAE Food Research. (Champaign, IL) V.1-25, 1936-60. For publisher information, see JFDSAZ. Volume(issue)/page/year: 7,161,1942 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4832 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 28 (estimated)

Symbol	GHS07, GHS09
Signal Word	Warning
Hazard Statements	H302-H410
Precautionary Statements	P273-P501
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes	Xn:Harmful;
Risk Phrases	R22
Safety Phrases	S36
RIDADR	2811
WGK Germany	3
RTECS	HQ3490550
Packaging Group	III
Hazard Class	9
HS Code	29349990

Precursor 0
DownStream 2
CAS#:68925-98-4 Dibenzothiophen... CAS#:51762-59-5 Dibenzothiophen...

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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9-Thiafluorene

Dibenzo(b,d)thiophene

MFCD00004969

Diphenylene Sulfide

a-thiafluorene

2,2'-Biphenylylene sulfide

Diphenylenesulfide

[1,1'-Biphenyl]-2,2'-diyl sulfide

EINECS 205-072-9

Dibenzothiophene

DBT,Diphenylene sulfide

dibenzo[b,d]thiophene

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