2-Naphthol

[Description]:

2-Naphthol is a metabolite of naphthalene, catalyzed by cytochrome P450 (CYP) isozymes (CYP 1A1, CYP 1A2, CYP 2A1, CYP 2E1 and CYP 2F2).

[Related Catalog]:

Research Areas >> Others

Natural Products >> Phenols

[Target]

Human Endogenous Metabolite

[In Vitro]

2-Naphthol is a metabolite of naphthalene, catalyzed by cytochrome P450 (CYP) isozymes (CYP 1A1, CYP 1A2, CYP 2A1, CYP 2E1 and CYP 2F2). 2-Naphthol (10, 25, 50 and 100 μM) causes no cytotoxic effect and the inhibition of peripheral-blood mononuclear cells proliferation[1].

[References]

[1]. Kapuci M, et al. Determination of cytotoxic and genotoxic effects of naphthalene, 1-naphthol and 2-naphthol on human lymphocyte culture. Toxicol Ind Health. 2014 Feb;30(1):82-9.

[Related Small Molecules]

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
285.5±0.0 °C at 760 mmHg

[ Melting Point ]:
120-122 °C(lit.)

[ Molecular Formula ]:
C₁₀H₈O

[ Molecular Weight ]:
144.170

[ Flash Point ]:
144.0±10.6 °C

[ Exact Mass ]:
144.057510

[ PSA ]:
20.23000

[ LogP ]:
2.71

[ Vapour density ]:
4.97 (vs air)

[ Vapour Pressure ]:
0.0±0.6 mmHg at 25°C

[ Index of Refraction ]:
1.678

[ Storage condition ]:
Refrigerator

[ Stability ]:
Stable. Combustible. Dust may form explosive mixture with air. Incompatible with strong oxidizing agents, phenol.

[ Water Solubility ]:
1 g/L (20 ºC)

Click to get detail MSDS

CHEMICAL IDENTIFICATION

RTECS NUMBER :: QL2975000

CHEMICAL NAME :: 2-Naphthol

CAS REGISTRY NUMBER :: 135-19-3

LAST UPDATED :: 199710

DATA ITEMS CITED :: 30

MOLECULAR FORMULA :: C10-H8-O

MOLECULAR WEIGHT :: 144.18

WISWESSER LINE NOTATION :: L66J CQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

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 :: 1960 mg/kg

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

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >770 mg/m3/1H

TOXIC EFFECTS :: Gastrointestinal - changes in structure or function of salivary glands

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2940 mg/kg

TOXIC EFFECTS :: Behavioral - sleep Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 100 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 - mouse

DOSE/DURATION :: 97500 mg/kg

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

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 100 mg/kg

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

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - cat

DOSE/DURATION :: 100 mg/kg

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

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 3800 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 :: >10 gm/kg

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

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 3 gm/kg

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

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 3800 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 :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 1335 mg/kg

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

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 2670 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 10080 mg/kg/28D-C

TOXIC EFFECTS :: Kidney, Ureter, Bladder - changes in bladder weight Nutritional and Gross Metabolic - weight loss or decreased weight gain

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 107 mg/kg/35W-I

TOXIC EFFECTS :: Brain and Coverings - other degenerative changes Behavioral - alteration of classical conditioning

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1350 ug/m3/17W-I

TOXIC EFFECTS :: Blood - changes in erythrocyte (RBC) count Blood - changes in leukocyte (WBC) count Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other esterases

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 298 mg/kg/35W-I

TOXIC EFFECTS :: Liver - liver function tests impaired

MUTATION DATA

TYPE OF TEST :: DNA repair

TEST SYSTEM :: Bacteria - Bacillus subtilis

DOSE/DURATION :: 5 gm/L

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 42,19,1977 *** REVIEWS *** TOXICOLOGY REVIEW MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 47,75,1978 *** 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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 0.1 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84296 No. of Facilities: 971 (estimated) No. of Industries: 18 No. of Occupations: 18 No. of Employees: 6346 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X1957 No. of Facilities: 113 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 453 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84296 No. of Facilities: 199 (estimated) No. of Industries: 11 No. of Occupations: 26 No. of Employees: 10985 (estimated) No. of Female Employees: 590 (estimated)

[ Symbol ]:

GHS07, GHS09

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H302 + H332-H400

[ Precautionary Statements ]:
P273

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xn:Harmful

[ Risk Phrases ]:
R20/22;R50

[ Safety Phrases ]:
S24/25-S61

[ RIDADR ]:
UN 3077 9/PG 3

[ WGK Germany ]:
2

[ RTECS ]:
QL2975000

[ Packaging Group ]:
III

[ Hazard Class ]:
9

[ HS Code ]:
2907151000

Click to get detail synthetic route

Precursor

DownStream

[ HS Code ]: 2907151000

[ Summary ]:
HS:2907151000 naphthalen-2-ol VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

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HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

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