1-(2,5-xylylazo)-2-naphthol

Modify Date: 2025-08-25 15:03:45

1-(2,5-xylylazo)-2-naphthol Structure
1-(2,5-xylylazo)-2-naphthol structure
Common Name 1-(2,5-xylylazo)-2-naphthol
CAS Number 85-82-5 Molecular Weight 276.33200
Density 1.14g/cm3 Boiling Point 487.1ºC at 760 mmHg
Molecular Formula C18H16N2O Melting Point N/A
MSDS N/A Flash Point 323.5ºC

 Names

Name 1-[(E)-(2,4-Dimethylphenyl)diazenyl]-2-naphthol
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.14g/cm3
Boiling Point 487.1ºC at 760 mmHg
Molecular Formula C18H16N2O
Molecular Weight 276.33200
Flash Point 323.5ºC
Exact Mass 276.12600
PSA 44.95000
LogP 5.57760
Index of Refraction 1.615
InChIKey VUSAIZBVVMZCCH-UHFFFAOYSA-N
SMILES Cc1ccc(C)c(N=Nc2c(O)ccc3ccccc23)c1

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
QL5950000
CHEMICAL NAME :
2-Naphthol, 1-(2,5-xylylazo)-
CAS REGISTRY NUMBER :
85-82-5
BEILSTEIN REFERENCE NO. :
0919875
LAST UPDATED :
199612
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C18-H16-N2-O
MOLECULAR WEIGHT :
276.36
WISWESSER LINE NOTATION :
L66J BNUNR B1 E1& CQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
28 gm/kg/20W-I
TOXIC EFFECTS :
Blood - pigmented or nucleated red blood cells Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death
REFERENCE :
JPPMAB Journal of Pharmacy and Pharmacology. (Pharmaceutical Soc. of Great Britain, 1 Lambeth High St., London SEI 7JN, UK) V.1- 1949- Volume(issue)/page/year: 8,417,1956
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
231 gm/kg/44W-C
TOXIC EFFECTS :
Related to Chronic Data - death
REFERENCE :
JPPMAB Journal of Pharmacy and Pharmacology. (Pharmaceutical Soc. of Great Britain, 1 Lambeth High St., London SEI 7JN, UK) V.1- 1949- Volume(issue)/page/year: 8,417,1956 ** TUMORIGENIC DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
29 gm/kg/52W
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - tumors
REFERENCE :
BJCAAI British Journal of Cancer. (Macmillan Press Ltd., Houndmills, Basingstoke, Hants. RG21 2XS, UK) V.1- 1947- Volume(issue)/page/year: 10,653,1956 *** REVIEWS *** TOXICOLOGY REVIEW ARVPAX Annual Review of Pharmacology. (Palo Alto, CA) V.1-15, 1961-75. For publisher information, see ARPTDI. Volume(issue)/page/year: 14,127,1974 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - A1333 No. of Facilities: 59 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 118 (estimated)

 Safety Information

HS Code 2927000090

 Synthetic Route

~%

1-(2,5-xylylazo)-2-naphthol Structure

1-(2,5-xylylazo...

CAS#:85-82-5

Literature: Bamberger; Destraz Chemische Berichte, 1902 , vol. 35, p. 1883

 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%

 Synonyms

Benzenesulfonic acid,2,5-dimethyl
p-Xylene-2-sulphonic acid
p-Xylene-2-sulfonic acid
2,5-Dimethyl-benzenesulfonic acid
2,5-Xylenesulfonic acid
p-xylenesulfonic acid
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