CAS No.: 207-08-9 Formula: C20H12 Molecular Weight: 252.30900
Search Suppliers


CAS No.: 207-08-9 Formula: C20H12 Molecular Weight: 252.30900
Suppliers: All (55) China Suppliers (32) Price Available (14) Contractor(0)


Benzo[k]fluoranthene is an organic compound with the chemical formula C20H12. Classified as a polycyclic aromatic hydrocarbon (PAH), it is a colourless solid that is poorly soluble in most solvents. Impure samples can appear off white. Closely related isomeric compounds include benzo(a)fluoranthene, benzo(b)fluoranthene, benzo(e)fluoranthene, and benzo(j)fluoranthene.
More than 20% of the carbon in the universe may be associated with PAHs, including the benzofluoranthenes.

Basic Info


Appearance & Physical State YELLOW CRYSTALS
Density 1.286 g/cm3
Boiling Point 480ºC
Melting Point 215-217ºC(lit.)
Flash Point 228.6ºC
Stability Stable. Combustible. Incompatible with strong oxidizing agents.
Storage Condition APPROX 4ºC

Safety Info

RTECS DF6350000
Hazard Class 6.1(b)
Safety Statements S53; S45; S60; S61
HS Code 2902909090
Packing Group III
WGK Germany 3
RIDADR UN 2811 6
Risk Statements R45
Hazard Codes T; N; Xn; F
Supplemental Hazard Statements Repeated exposure may cause skin dryness or cracking.
Symbol GHS02, GHS07, GHS08
Signal Word Danger
Hazard Declaration H315; H319; H335; H336; H351; H373
Caution Statement P201; P210; P273; P280; P304 + P340 + P312; P308 + P313
SDS 1.0 Expand

SDS 1.0

Download/Modify | Technical supported by For US version, EU version (23 languages) and more, please refer to


According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017


1.1 GHS Product identifier

Product name benzo[k]fluoranthene

1.2 Other means of identification

Product number -
Other names Benzo<k>fluoranthene

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

Company MOLBASE (Shanghai) Biotechnology Co., Ltd.
Address Floor 4 & 5, Building 12, No. 1001 North Qinzhou Road,
Xuhui District, Shanghai, China
Telephone +86(21)64956998
Fax +86(21)54365166

1.5 Emergency phone number

Emergency phone number +86-400-6021-666
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

2.Hazard identification

2.1 Classification of the substance or mixture

Carcinogenicity, Category 1B

Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1

Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 1

2.2 GHS label elements, including precautionary statements

Signal word


Hazard statement(s)

H350 May cause cancer

H410 Very toxic to aquatic life with long lasting effects

Precautionary statement(s)

P201 Obtain special instructions before use.

P202 Do not handle until all safety precautions have been read and understood.

P280 Wear protective gloves/protective clothing/eye protection/face protection.

P273 Avoid release to the environment.


P308+P313 IF exposed or concerned: Get medical advice/ attention.

P391 Collect spillage.


P405 Store locked up.


P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification


3.Composition/information on ingredients

3.1 Substances

Chemical name Common names and synonyms CAS number EC number Concentration
benzo[k]fluoranthene benzo[k]fluoranthene 207-08-9 none 100%

4.First-aid measures

4.1 Description of necessary first-aid measures

General advice

Consult a physician. Show this safety data sheet to the doctor in attendance.

If inhaled

Fresh air, rest.

In case of skin contact

Remove contaminated clothes. Rinse and then wash skin with water and soap.

In case of eye contact

First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.

If swallowed

Rinse mouth. Refer for medical attention .

4.2 Most important symptoms/effects, acute and delayed

ACUTE/CHRONIC HAZARDS: When heated to decomposition this compound emits acrid smoke and irritating fumes.

4.3 Indication of immediate medical attention and special treatment needed, if necessary

Immediate first aid: Ensure that adequate decontamination has been carried out. If patient is not breathing, start artificial respiration, preferably with a demand valve resuscitator, bag-valve-mask device, or pocket mask, as trained. Perform CPR if necessary. Immediately flush contaminated eyes with gently flowing water. Do not induce vomiting. If vomiting occurs, lean patient forward or place on the left side (head-down position, if possible) to maintain an open airway and prevent aspiration. Keep patient quiet and maintain normal body temperature. Obtain medical attention. /Aromatic hydrocarbons and related compounds/

5.Fire-fighting measures

5.1 Extinguishing media

Suitable extinguishing media

Suitable extinguishing media: Use water spray, alcohol-resistant foam, dry chemical, or carbon dioxide.[Sigma-Aldrich; Safety Data Sheet for Benzo

5.2 Specific hazards arising from the chemical

Flash point data for this chemical are not available; however, it is probably combustible.

5.3 Special protective actions for fire-fighters

Wear self-contained breathing apparatus for firefighting if necessary.

6.Accidental release measures

6.1 Personal precautions, protective equipment and emergency procedures

Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8.

6.2 Environmental precautions

Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations. Do NOT let this chemical enter the environment.

6.3 Methods and materials for containment and cleaning up

ACCIDENTAL RELEASE MEASURES: Personal precautions, protective equipment and emergency procedures: Use personal protective equipment. Avoid dust formation. Avoid breathing vapors, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. Environmental precautions: Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided. Methods and materials for containment and cleaning up: Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed containers for disposal.[Sigma-Aldrich; Safety Data Sheet for Benzo

7.Handling and storage

7.1 Precautions for safe handling

Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2.

7.2 Conditions for safe storage, including any incompatibilities

Provision to contain effluent from fire extinguishing. Well closed.Keep container tightly closed in a dry and well-ventilated place. Recommended storage temperature 2 - 8°C. Storage class (TRGS 510): Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects.[Sigma-Aldrich; Safety Data Sheet for Benzo

8.Exposure controls/personal protection

8.1 Control parameters

Occupational Exposure limit values

Recommended Exposure Limit: 10 Hr Time-Weighted Avg: 0.1 mg/cu m (cyclohexane-extractable fraction). /Coal tar pitch volatiles/

NIOSH considers coal tar pitch volatiles to be potential occupational carcinogens. NIOSH usually recommends that occupational exposures to carcinogens be limited to the lowest feasible concentration. /Coal tar pitch volatiles/

Biological limit values

no data available

8.2 Appropriate engineering controls

Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday.

8.3 Individual protection measures, such as personal protective equipment (PPE)

Eye/face protection

Safety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).

Skin protection

Wear impervious clothing. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique(without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it.

Respiratory protection

Wear dust mask when handling large quantities.

Thermal hazards

no data available

9.Physical and chemical properties

Physical state YELLOW CRYSTALS
Colour Yellow prisms from hexane or acetic acid
Odour no data available
Melting point/ freezing point 215-217ºC(lit.)
Boiling point or initial boiling point and boiling range 480ºC
Flammability no data available
Lower and upper explosion limit / flammability limit no data available
Flash point -17°C
Auto-ignition temperature no data available
Decomposition temperature no data available
pH no data available
Kinematic viscosity no data available
Solubility less than 1 mg/mL at 20°C
Partition coefficient n-octanol/water (log value) log Kow = 6.11
Vapour pressure 9.59e-11 mm Hg at 25°C
Density and/or relative density 1.286 g/cm3
Relative vapour density no data available
Particle characteristics no data available

10.Stability and reactivity

10.1 Reactivity

no data available

10.2 Chemical stability

Stable under recommended storage conditions.[Sigma-Aldrich; Safety Data Sheet for Benzo

10.3 Possibility of hazardous reactions

/Benzo(b)fluoranthene/ is combustible.BENZO[K]FLUORANTHENE can react with strong oxidizing agents. May react with electrophiles, peroxides, nitrogen oxides and sulfur oxides

10.4 Conditions to avoid

no data available

10.5 Incompatible materials

Incompatible materials: Strong oxidizing agents.[Sigma-Aldrich; Safety Data Sheet for Benzo

10.6 Hazardous decomposition products

Hazardous decomposition products formed under fire conditions - Carbon oxides.[Sigma-Aldrich; Safety Data Sheet for Benzo

11.Toxicological information

Acute toxicity

  • Oral: no data available
  • Inhalation: no data available
  • Dermal: no data available

Skin corrosion/irritation

no data available

Serious eye damage/irritation

no data available

Respiratory or skin sensitization

no data available

Germ cell mutagenicity

no data available


CLASSIFICATION: B2; probable human carcinogen. BASIS FOR CLASSIFICATION: Based on no human data and sufficient data from animal bioassays. Benzo[k]fluoranthene produced tumors after lung implantation in mice and when administered with a promoting agent in skin-painting studies. Equivocal results have been found in a lung adenoma assay in mice. Benzo[k]fluoranthene is mutagenic in bacteria. HUMAN CARCINOGENICITY DATA: None. ANIMAL CARCINOGENICITY DATA: Sufficient.

Reproductive toxicity

no data available

STOT-single exposure

no data available

STOT-repeated exposure

no data available

Aspiration hazard

no data available

12.Ecological information

12.1 Toxicity

  • Toxicity to fish: no data available
  • Toxicity to daphnia and other aquatic invertebrates: no data available
  • Toxicity to algae: no data available
  • Toxicity to microorganisms: no data available

12.2 Persistence and degradability

AEROBIC: In a static biodegradability test employing a domestic wastewater inoculum, 50-70% of benzo(k)fluoranthene was degraded in four successive weekly subcultures(1). After 60 days of batch slurry bioremediation, the initial solid-phase benzo(b,k)fluoranthene concentration of 120 ug/g was reduced to 50.4 ug/g, a 58% removal(2). In shake flask studies, an initial benzo(b,k)fluoranthene concentration of 2.9 ug/mL was reduced to 1.7 ug/mL following 2 weeks incubation in contaminated groundwater from the American Creosote Works Superfund site, Pensacola, FL; the concentration in a sterile control was 2.8 ug/mL(3). In bench-scale biotreatability studies using a solid-phase bioremediation process (landfarming chambers containing sediment and soil collected from the American Creosote Works Superfund site, Pensacola, FL), the benzo(b,k)fluoranthene concentration was reduced from 112.8 to 109.8 mg/landfarming chamber in unamended surface soil; 112.8 to 81.3 mg/landfarming chamber in nutrient-amended surface soil; 418.8 to 345.6 mg/landfarming chamber in unamended sediment; and 418.7 to 351.6 mg/landfarming chamber in nutrient-amended sediment following 12 weeks incubation(4).

12.3 Bioaccumulative potential

An estimated BCF range of 3415-6465 was calculated in fish for benzo(k)fluoranthene(SRC), using a log Kow range of 5.86-6.28(1) and a regression-derived equation(2). According to a classification scheme(3), this BCF range suggests that the potential of benzo(k)fluoranthene for bioconcentration in aquatic organisms is very high(SRC). Polyaromatic hydrocarbons, including benzo(k)fluoranthene, have been shown to be rapidly metabolized by some aquatic organisms(4). BCFs for benzo(k)fluoranthene, based on dry weight, in mussels (Mytilus edulis planulatus L.) incubated in Port Phillip Bay, Australia were 37,000-60,000 in water with no direct source of hydrocarbons; 27,000-30,000 in areas where the main sources of hydrocarbons is urban drainage, and 200,000-310,000 in sites close to the discharge of a major oil refinery(5). The biota-sediment accumulation factor (BSAF) for benzo(k)fluoranthene determined using oligochaete worm (Lumbriculus variegatus) was 0.63 and 0.21 in Lake Erie sediment from Vermilion, OH and Dunkirk, NY, respectively(6).

12.4 Mobility in soil

The log Koc value for benzo(k)fluoranthene in 100 soil samples was 6.81-7.91(1). According to a classification scheme(2), these measured Koc values suggest that benzo(k)fluoranthene is expected to be immobile in soil. The log Koc values of benzo(k)fluoranthene measured in sediment from San Francisco Bay was 6.01-6.70(3). Sorption coefficients for benzo(k)fluoranthene measured using two lake sediments with organic carbon content of 1.87 and 2.07%, and a high chemical concentration were 6100 and 20,000, respectively(4). Sorption coefficients measured using a low benzo(k)fluoranthene concentration were 7300 and 26,000 using the same respective sediments(4). These values correspond to Koc values of 3.3X10+5, 9.7X10+5, 3.9X10+5 and 1.3X10+6(5). The log Koc value of benzo(k)fluoranthene measured in sediment from Lake Ketelmeer was 6.74 and 6.89(6). The log Koc values for benzo(b,k)fluoranthene in 52 sediment samples was 5.61-8.44(7).

12.5 Other adverse effects

no data available

13.Disposal considerations

13.1 Disposal methods


The material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing. Do not contaminate water, foodstuffs, feed or seed by storage or disposal. Do not discharge to sewer systems.

Contaminated packaging

Containers can be triply rinsed (or equivalent) and offered for recycling or reconditioning. Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Controlled incineration with flue gas scrubbing is possible for combustible packaging materials.

14.Transport information

14.1 UN Number

ADR/RID: UN3077 IMDG: UN3077 IATA: UN3077

14.2 UN Proper Shipping Name


14.3 Transport hazard class(es)


14.4 Packing group, if applicable


14.5 Environmental hazards

ADR/RID: yes IMDG: yes IATA: yes

14.6 Special precautions for user

no data available

14.7 Transport in bulk according to Annex II of MARPOL 73/78 and the IBC Code

no data available

15.Regulatory information

15.1 Safety, health and environmental regulations specific for the product in question

Chemical name Common names and synonyms CAS number EC number
benzo[k]fluoranthene benzo[k]fluoranthene 207-08-9 none
European Inventory of Existing Commercial Chemical Substances (EINECS) Listed.
EC Inventory Listed.
United States Toxic Substances Control Act (TSCA) Inventory Not Listed.
China Catalog of Hazardous chemicals 2015 Not Listed.
New Zealand Inventory of Chemicals (NZIoC) Listed.
Philippines Inventory of Chemicals and Chemical Substances (PICCS) Not Listed.
Vietnam National Chemical Inventory Not Listed.
Chinese Chemical Inventory of Existing Chemical Substances (China IECSC) Not Listed.

16.Other information

Information on revision

Creation Date Aug 13, 2017
Revision Date Aug 13, 2017

Abbreviations and acronyms

  • CAS: Chemical Abstracts Service
  • ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
  • RID: Regulation concerning the International Carriage of Dangerous Goods by Rail
  • IMDG: International Maritime Dangerous Goods
  • IATA: International Air Transportation Association
  • TWA: Time Weighted Average
  • STEL: Short term exposure limit
  • LC50: Lethal Concentration 50%
  • LD50: Lethal Dose 50%
  • EC50: Effective Concentration 50%


  • IPCS - The International Chemical Safety Cards (ICSC), website:
  • HSDB - Hazardous Substances Data Bank, website:
  • IARC - International Agency for Research on Cancer, website:
  • eChemPortal - The Global Portal to Information on Chemical Substances by OECD, website:
  • CAMEO Chemicals, website:
  • ChemIDplus, website:
  • ERG - Emergency Response Guidebook by U.S. Department of Transportation, website:
  • Germany GESTIS-database on hazard substance, website:
  • ECHA - European Chemicals Agency, website:

Disclaimer: The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. It does not represent any guarantee of the properties of the product. We as supplier shall not be held liable for any damage resulting from handling or from contact with the above product.
MSDS Expand
1H NMR : PredictExpand

NMR Spectrum 1H NMR : Predict

Mass spectrum (electron ionization)Expand
Recommended Suppliers
More Suppliers>>
Other items you might be interested in
Category in MOLBASE