1-[(2,5-Dimethoxyphenyl)diazenyl]-2-naphthol

Modify Date: 2024-01-01 20:05:31

1-[(2,5-Dimethoxyphenyl)diazenyl]-2-naphthol Structure
1-[(2,5-Dimethoxyphenyl)diazenyl]-2-naphthol structure
Common Name 1-[(2,5-Dimethoxyphenyl)diazenyl]-2-naphthol
CAS Number 6358-53-8 Molecular Weight 308.331
Density 1.2±0.1 g/cm3 Boiling Point 536.9±50.0 °C at 760 mmHg
Molecular Formula C18H16N2O3 Melting Point 155-157ºC
MSDS Chinese USA Flash Point 278.5±30.1 °C
Symbol GHS08
GHS08
Signal Word Warning

 Names

Name 1-((2,5-Dimethoxyphenyl)diazenyl)naphthalen-2-ol
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 536.9±50.0 °C at 760 mmHg
Melting Point 155-157ºC
Molecular Formula C18H16N2O3
Molecular Weight 308.331
Flash Point 278.5±30.1 °C
Exact Mass 308.116089
PSA 63.41000
LogP 5.16
Vapour Pressure 0.0±1.5 mmHg at 25°C
Index of Refraction 1.601

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
QL3675000
CHEMICAL NAME :
2-Naphthol, 1-((2,5-dimethoxyphenyl)azo)-
CAS REGISTRY NUMBER :
6358-53-8
LAST UPDATED :
199701
DATA ITEMS CITED :
15
MOLECULAR FORMULA :
C18-H16-N2-O3
MOLECULAR WEIGHT :
308.36
WISWESSER LINE NOTATION :
L66J BNUNR BO1 EO1& CQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>4 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
542 gm/kg/31W-C
TOXIC EFFECTS :
Blood - normocytic anemia Nutritional and Gross Metabolic - weight loss or decreased weight gain Biochemical - Metabolism (Intermediary) - Plasma proteins not involving coagulation
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
125 gm/kg/2Y-C
TOXIC EFFECTS :
Liver - changes in liver weight Kidney, Ureter, Bladder - changes in bladder weight Endocrine - changes in spleen weight
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
20 gm/kg/80W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors Liver - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Implant
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
80 mg/kg
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Kidney, Ureter, Bladder - tumors

MUTATION DATA

TYPE OF TEST :
Mutation in microorganisms
TEST SYSTEM :
Bacteria - Salmonella typhimurium
DOSE/DURATION :
67 ug/plate
REFERENCE :
EMMUEG Environmental and Molecular Mutagenesis. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.10- 1987- Volume(issue)/page/year: 19(Suppl 21),2,1992 *** REVIEWS *** IARC Cancer Review:Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 8,101,1975 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 8,101,1975 IARC Cancer Review:Group 2B IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987 TOXICOLOGY REVIEW AEHLAU Archives of Environmental Health. (Heldref Pub., 4000 Albemarle St., NW, Washington, DC 20016) V.1- 1960- Volume(issue)/page/year: 23,6,1971 TOXICOLOGY REVIEW ADCSAJ Advances in Chemistry Series. (American Chemical Soc., Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC 20037) No.1- 1950- Volume(issue)/page/year: 13,271,1970 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M4579 No. of Facilities: 16 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 980 (estimated)

 Safety Information

Symbol GHS08
GHS08
Signal Word Warning
Hazard Statements H351
Precautionary Statements P281
Hazard Codes Xn
Risk Phrases 40
Safety Phrases 45
RIDADR NONH for all modes of transport
RTECS QL3675000
HS Code 2927000090

 Customs

HS Code 2927000090
Summary 2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

 Articles1

More Articles
[Determination: of citrus red 2 in navel orange by ultra performance liquid chromatography-tandem mass spectrometry].

Se Pu 30(8) , 832-5, (2012)

An ultra performance liquid chromatography-tandem mass spectrometry (UPLC-MS/ MS) method was developed for the determination of citrus red 2 (CR2) in navel orange. The sample was extracted with aceton...

 Synonyms

1-[(2,5-Dimethoxyphenyl)diazenyl]-2-naphthol
2-Naphthalenol, 1-[2-(2,5-dimethoxyphenyl)diazenyl]-
(1Z)-1-[(2,5-dimethoxyphenyl)hydrazinylidene]naphthalen-2-one