2-ACETAMIDOFLUORENE
- Product Name
- 2-ACETAMIDOFLUORENE
- CAS No.
- 53-96-3
- Chemical Name
- 2-ACETAMIDOFLUORENE
- Synonyms
- AAF;2-ACETYLAMINOFLUORENE;2-AAF;N-2-FLUORENYLACETAMIDE;2-FAA;aaf[qr];faa[qr];2-aaf[qr];2-faa[qr];NSC 12279
- CBNumber
- CB9463907
- Molecular Formula
- C15H13NO
- Formula Weight
- 223.27
- MOL File
- 53-96-3.mol
2-ACETAMIDOFLUORENE Property
- Melting point:
- 192-196 °C(lit.)
- Boiling point:
- 364.56°C (rough estimate)
- Density
- 1.0707 (rough estimate)
- refractive index
- 1.5500 (estimate)
- storage temp.
- Store below +30°C.
- solubility
- Soluble in acetone, acetic acid, alcohol (Weast, 1986), glycols, and fat solvents (Windholz et al., 1983)
- pka
- 14.89±0.20(Predicted)
- form
- Crystalline Powder
- color
- off-white to tan
- Water Solubility
- 10.13 mg/L at 26.3 °C (Ellington et al., 1987)
- Merck
- 14,4157
- BRN
- 2807677
- CAS DataBase Reference
- 53-96-3(CAS DataBase Reference)
- EPA Substance Registry System
- 2-Acetylaminofluorene (53-96-3)
Safety
- Hazard Codes
- T,N
- Risk Statements
- 45-22-51/53
- Safety Statements
- 53-36/37/39-45
- RIDADR
- UN 3077 9/PG 3
- WGK Germany
- 3
- RTECS
- AB9450000
- HS Code
- 2924 29 70
- HazardClass
- 6.1(b)
- PackingGroup
- III
- Hazardous Substances Data
- 53-96-3(Hazardous Substances Data)
- Toxicity
- Acute oral LD50 for mice 1,020 mg/kg (quoted, RTECS, 1985).
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H302Harmful if swallowed
H350May cause cancer
- Precautionary statements
-
P202Do not handle until all safety precautions have been read and understood.
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P270Do not eat, drink or smoke when using this product.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P308+P313IF exposed or concerned: Get medical advice/attention.
N-Bromosuccinimide Price
- Product number
- 8.20576
- Product name
- N-Fluoren-2-ylacetamide
- Purity
- for synthesis
- Packaging
- 10g
- Price
- $244
- Updated
- 2024/03/01
- Product number
- A7015
- Product name
- N-(2-Fluorenyl)acetamide
- Purity
- ≥98% (HPLC)
- Packaging
- 5g
- Price
- $193
- Updated
- 2023/06/20
- Product number
- A7015
- Product name
- N-(2-Fluorenyl)acetamide
- Purity
- ≥98% (HPLC)
- Packaging
- 25g
- Price
- $407
- Updated
- 2023/06/20
- Product number
- A0076
- Product name
- 2-Acetamidofluorene
- Purity
- >98.0%(HPLC)(N)
- Packaging
- 5g
- Price
- $98
- Updated
- 2024/03/01
- Product number
- A0076
- Product name
- 2-Acetamidofluorene
- Purity
- >98.0%(HPLC)(N)
- Packaging
- 25g
- Price
- $282
- Updated
- 2024/03/01
2-ACETAMIDOFLUORENE Chemical Properties,Usage,Production
Description
2-Acetylaminofluorene (2-AAF) was originally synthesized to
be used as a pesticide but due to its profound carcinogenicity it
is now purely used in research laboratories for research
purposes only. The occupations at greatest risk to acetylaminofluorene
exposure are organic chemists, chemical stockroom
workers, and biomedical researchers. 2-AAF is a tan-colored
compound insoluble in water (melting point. 194 C). It is
soluble in glycols, alcohols, ether, and acetic acid. 2-AAF is no
longer produced in commercial quantities anywhere in the
world. In 2009, 2-AAF was distributed in small quantities by 17
specialty chemical companies, including 11 in the United
States. As per the US Environmental Protection Agency (EPA),
environmental release of 2-AAF rose from w10 000 to
w81 000 lb from 1998 to 2001, and then was contained below
1000 lb in 2003. Although neither the National Institute of
Occupational Safety and Health (NIOSH) nor the Occupational
Safety and Health Administration (OSHA) has estimated
the number of US workers exposed to acetylaminofluorene,
perhaps fewer than 1000 workers in 200 laboratories may have
come in contact with this compound.
In order to debate ‘threshold level,’ dose–response relationships,
and carcinogenic potential of 2-AAF, a few studies
employed very large numbers of female BALB/c StCrlfC3Hf/
Nctr mice, and exposed them to low doses of 2-AAF for up to
33 months. Study findings showed two different types of dose–
response relationships for urinary bladder neoplasms and liver
neoplasms; bladder neoplasms exhibited a minimum effect
level (or a nonlinear response) for specific conditions. In
contrast, the late-appearing liver neoplasms displayed a nearly
linear response that extrapolated directly to zero dose. Time of exposure (18, 24, and 33 months) was shown to be an
important factor for incremental positive response. Induction
of bladder neoplasms was shown to occur early in the study,
but was dependent on the continuous presence of 2-AAF,
whereas the liver neoplasms appeared very late in the study but
were shown to be induced at a very early point in the exposures
and did not require the continuous presence of the carcinogen
in order to develop. Results of this type of studies were
consistent with ‘no threshold concept.’ Overall, most studies
advocate the importance of the time factor in safety evaluation
or risk assessment in carcinogenesis because carcinogen dose,
length of exposure, and gender all may play roles in cancer/
tumor development.
Chemical Properties
WHITE TO YELLOW-BROWN CRYSTALLINE POWDER
Chemical Properties
2-Acetylaminofluorene (AAF) is a combustible, tan powder or crystalline solid
Uses
As a laboratory reagent for research purposes (specifically, a positive control for carcinogenicity and mutagenicity studies)
Uses
Acetylaminofluorene is found as a contaminant in coal gasification processes. It was intended to be used as a pesticide but was never marketed due to its carcinogenicity. It has no known use.
Uses
N-(2-Fluorenyl)acetamide (2-Acetamidofluorene, 2-AAF), a genotoxic carcinogen, is used to induce liver cancer in animal models such as the 2-AAF/partial hepatectomy rat. 2-AAF may be used to study the mechanism of liver carcinogenesis and as a reference material during its identification or quantitation.
Uses
As a positive control to study the carcinogenicity and mutagenicity of aromatic amines.
Production Methods
2-Acetylaminofluorene is produced for research purposes only with an estimated U.S. annual usage of less than 20 lb. It was originally developed as a possible insecticide but has never been used for this purpose after discovery of its carcinogenicity. It is now almost exclusively used in the laboratory studies as a model carcinogen and mutagen.
Definition
ChEBI: The parent of the class of 2-acetamidofluorenes, being an ortho-fused polycyclic arene that consists of 9H-fluorene bearing an acetamido substituent at position 2. It is a carcinogenic and mutagenic derivative of fluorene.
General Description
White powder or light beige solid.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
2-ACETAMIDOFLUORENE is incompatible with acids, bases and oxidizing agents. Ozone and chlorinating agents oxidize 2-ACETAMIDOFLUORENE .
Health Hazard
2-Acetylaminofluorene (AAF) is a potent carcinogen in dogs, hamsters, and rats. There is no toxicity information on humans.1
Fire Hazard
Flash point data for 2-ACETAMIDOFLUORENE are not available; however, 2-ACETAMIDOFLUORENE is probably combustible.
Biochem/physiol Actions
A genotoxic carcinogen that is used to model liver carcinogenesis in rat. When N-hydroxylated by cytochrome CYP1A2 in the liver, 2-AAF forms adducts with DNA and is tumorigenic in liver and bladder.
Safety Profile
Confirmed human carcinogen with experimental carcinogenic, neoplas tigenic, tumorigenic, and teratogenic data. Moderately toxic by ingestion and intraperitoneal routes. Experimental reproductive effects. Human mutation data reported. When heated to decomposition it emits toxic fumes of NOx.
Potential Exposure
2-AAF was intended to be used as a pesticide, but it was never marketed because this chemical was found to be carcinogenic. AAF is used frequently by biochemists and technicians engaged in the study of liver enzymes and the carcinogenicity and mutagenicity ofaromatic amines as a positive control. Therefore, these persons may be exposed to AAF.
Carcinogenicity
2-Acetylaminofluorene is reasonably anticipated to be a human carcinogen based on sufficient evidence of carcinogenicity from studies in experimental animals.
Environmental Fate
Biological. In the presence of suspended natural populations from unpolluted aquatic systems,
the second-order microbial transformation rate constant determined in the laboratory was reported
to be 4.8 ± 2.8 x 10-12 L/organism?h (Steen, 1991).
Chemical/Physical. Based on first-order rate constants determined at 85.5 °C, hydrolysis halflives
at pH values of 2.49, 2.97, 7.34, 9.80, 10.25, and 10.39 were 4.2, 12, 41, 13, 7.2, and 1.9 d,
respectively (Ellington et al., 1987). Releases toxic nitrogen oxides when heated to decomposition
(Sax and Lewis, 1987).
Shipping
UN3077 Environmentally hazardous substances, solid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous material, Technical Name Required.
Purification Methods
Recrystallise it from toluene (1.3mg in 100mL). Its solubility in H2O is 1.3mg/L at 25o, UV: max nm(log ) : 288(4.43), 313(4.13). [Sawicki J Org Chem 21 271 1956.] It can also be recrystallised from 50% AcOH. [Diels et al. Chem Ber 35 3285 1902]. 9-14C and -14C 2-acetamidofluorene were recrystallised from aqueous EtOH and had m 194-195o and 194o respectively. Potent CARCINOGEN. [Miller et al. Cancer Res 9 504 1949, 10 616 1950, Sadin et al. J Am Chem Soc 74 5073 1952, Beilstein 12 H 3287, 12 IV 3373.]
Toxicity evaluation
According to the US EPA’s Toxics Release Inventory, environmental releases of 2-AAF considerably increased from 1998 to 2001, declined to as low as 255 lb in 2003, and have remained below 1000 lb since 2003. However, most of the releases were to hazardous-waste landfills. In 2007, one facility released about 500 lb of 2-AAF to a hazardous-waste landfill and about 250 lb to air. Release of 2-AAF to the environment from artificial sources is probably not significant since less than 20 lb year of this compound are consumed in the United States. If released to soil, 2-AAF is expected to have low mobility. Chemical hydrolysis, oxidation, and volatilization are not expected to be significant. If released to water, 2-AAF may undergo direct photolysis and is expected to strongly adsorb to suspended solids and sediments. Chemical hydrolysis, oxidation, volatilization, and bioaccumulation are not expected to be significant. If released to the atmosphere, 2-AAF may undergo vapor phase adsorption to airborne particulate matter, it may react with photochemically generated hydroxyl radicals (estimated vapor phase half-life1/4 5.92 h) or it may undergo direct photolysis.
Incompatibilities
Hygroscopic. Contact with strong oxidizers may cause fire and explosions. Not compatible with cyanides, acids, and/or acid anhydrides. May form unstable and explosive peroxides; a possible polymerization hazard. Contact with strong oxidizers or strong reducing agents may form flammable gases and cause fire and explosions. A weak base that may react as an acid. Incompatible with strong bases (forming potentially dangerous salts), chlorinated hydrocarbons, nitro compounds. Reacts with azo and diazo compounds, generating toxic gases. Contact with mixture of acetic acid 1 dinitrogen trioxide may cause explosion.
Waste Disposal
Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≥100 kg/mo) must conform with EPA regulations governing storage, transportation, treatment, and waste disposal. Presumably high-temperature incineration with scrubber for any produced nitrogen oxides can be used
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View Lastest Price from 2-ACETAMIDOFLUORENE manufacturers
- Product
- 2-ACETAMIDOFLUORENE 53-96-3
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- 98% HPLC
- Supply Ability
- 10t
- Release date
- 2019-12-20