o-aminoazotoluene

Modify Date: 2026-07-03 12:08:35

o-aminoazotoluene Structure
o-aminoazotoluene structure
Common Name o-aminoazotoluene
CAS Number 97-56-3 Molecular Weight 225.28900
Density 1.09 g/cm3 Boiling Point 407.7ºC at 760 mmHg
Molecular Formula C14H15N3 Melting Point 101-102 °C
MSDS Chinese USA Flash Point 200.4ºC
Symbol GHS07 GHS08
GHS07, GHS08
Signal Word Danger

 Use of o-aminoazotoluene


2-Methyl-5-(p-tolyldiazenyl)aniline is a biochemical reagent that can be used as a biological material or organic compound for life science related research.

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 2-Methyl-5-(p-tolyldiazenyl)aniline
Synonym More Synonyms

 o-aminoazotoluene Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description 2-Methyl-5-(p-tolyldiazenyl)aniline is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
Related Catalog

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.09 g/cm3
Boiling Point 407.7ºC at 760 mmHg
Melting Point 101-102 °C
Molecular Formula C14H15N3
Molecular Weight 225.28900
Flash Point 200.4ºC
Exact Mass 225.12700
PSA 50.74000
LogP 4.88220
Index of Refraction 1.571
InChIKey PFRYFZZSECNQOL-UHFFFAOYSA-N
SMILES Cc1cc(N=Nc2ccccc2C)ccc1N

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XU8800000
CHEMICAL NAME :
o-Toluidine, 4-(o-tolylazo)-
CAS REGISTRY NUMBER :
97-56-3
BEILSTEIN REFERENCE NO. :
0745567
LAST UPDATED :
199712
DATA ITEMS CITED :
61
MOLECULAR FORMULA :
C14-H15-N3
MOLECULAR WEIGHT :
225.32
WISWESSER LINE NOTATION :
ZR B1 DNUNR B1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1500 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 - mouse
DOSE/DURATION :
800 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 :
1200 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 :
Mammal - dog
DOSE/DURATION :
300 mg/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 :
15 gm/kg/57W-C
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria Liver - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
480 mg/kg/I
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria Lungs, Thorax, or Respiration - tumors Liver - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
480 mg/kg female 17-19 day(s) after conception
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Reproductive - Tumorigenic effects - transplacental tumorigenesis Liver - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
800 mg/kg
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria Liver - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
4000 mg/kg female 15-21 day(s) after conception
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Reproductive - Tumorigenic effects - transplacental tumorigenesis Lungs, Thorax, or Respiration - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2800 mg/kg/28W-I
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria 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
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Multiple routes
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
400 mg/kg/I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors Tumorigenic - tumors at site of application
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
4500 mg/kg/2Y-C
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Kidney, Ureter, Bladder - tumors
TYPE OF TEST :
TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
5280 mg/kg/88D-C
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors
TYPE OF TEST :
TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
4000 mg/kg/39W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors
TYPE OF TEST :
TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
80 mg/kg
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors
TYPE OF TEST :
TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
80 mg/kg
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors Liver - tumors
TYPE OF TEST :
TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
31250 mg/kg/35W-C
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors
TYPE OF TEST :
TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
3640 mg/kg/25W-C
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors Skin and Appendages - tumors
TYPE OF TEST :
TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
13440 mg/kg/32W-C
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria Lungs, Thorax, or Respiration - tumors Liver - tumors
TYPE OF TEST :
TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE :
Implant
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
3200 mg/kg/35W-C
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - tumors Liver - tumors
TYPE OF TEST :
TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
480 mg/kg female 16-21 day(s) after conception
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria Reproductive - Tumorigenic effects - transplacental tumorigenesis Liver - tumors
TYPE OF TEST :
TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
34080 mg/kg/2Y-C
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
480 mg/kg
SEX/DURATION :
multigeneration
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - hepatobiliary system Reproductive - Tumorigenic effects - transplacental tumorigenesis
TYPE OF TEST :
Unscheduled DNA synthesis
TYPE OF TEST :
Micronucleus test
TYPE OF TEST :
DNA inhibition
TYPE OF TEST :
Sister chromatid exchange

MUTATION DATA

TYPE OF TEST :
Morphological transformation
TEST SYSTEM :
Non-mammalian species Cells - not otherwise specified
DOSE/DURATION :
250 ug/L
REFERENCE :
AOHYA3 Annals of Occupational Hygiene. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1958- Volume(issue)/page/year: 20,297,1977 *** 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: 8,61,1975 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: 8,61,1975 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 ZEKBAI Zeitschrift fuer Krebsforschung. (Berlin, Fed. Rep. Ger.) V.1-75, 1903-71. For publisher information, see JCROD7. Volume(issue)/page/year: 71,32,1968 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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-FINLAND;Carcinogen JAN 1993 OEL-FRANCE;Carcinogen JAN 1993 OEL-GERMANY;Carcinogen JAN 1993 OEL-SWITZERLAND;Carcinogen JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M1409 No. of Facilities: 200 (estimated) No. of Industries: 6 No. of Occupations: 14 No. of Employees: 3811 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M1409 No. of Facilities: 229 (estimated) No. of Industries: 4 No. of Occupations: 5 No. of Employees: 1449 (estimated)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS07 GHS08
GHS07, GHS08
Signal Word Danger
Hazard Statements H317-H350
Precautionary Statements P201-P280-P308 + P313
Personal Protective Equipment Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
Hazard Codes T: Toxic;
Risk Phrases R45;R43
Safety Phrases S53-S45
RIDADR UN 1789 8/PG 2
WGK Germany 3
RTECS XU8800000
HS Code 2927000090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~68%

o-aminoazotoluene Structure

o-aminoazotoluene

CAS#:97-56-3

Learn More
Literature: De Nino, Antonio; Di Donna, Leonardo; Maiuolo, Loredana; Mazzotti, Fabio; Sindona, Giovanni Synthesis, 2008 , # 3 p. 459 - 463

~%

o-aminoazotoluene Structure

o-aminoazotoluene

CAS#:97-56-3

Learn More
Literature: Chemische Berichte, , vol. 10, p. 664,666

~%

o-aminoazotoluene Structure

o-aminoazotoluene

CAS#:97-56-3

Learn More
Literature: Organic Letters, , vol. 14, # 3 p. 748 - 751

~%

o-aminoazotoluene Structure

o-aminoazotoluene

CAS#:97-56-3

Learn More
Literature: Journal fuer Praktische Chemie (Leipzig), , vol. <2>69, p. 321

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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%

 Articles27

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

The calcium-sensing receptor mediates bone turnover induced by dietary calcium and parathyroid hormone in neonates.

J. Bone Miner Res. 26 , 1057-71, (2011)

We have investigated, in neonates, whether the calcium-sensing receptor (CaR) mediates the effects of dietary calcium on bone turnover and/or modulates parathyroid hormone (PTH)-induced bone turnover....

Endogenous PTH deficiency impairs fracture healing and impedes the fracture-healing efficacy of exogenous PTH(1-34).

PLoS ONE 6(7) , e23060, (2011)

Although the capacity of exogenous PTH1-34 to enhance the rate of bone repair is well established in animal models, our understanding of the mechanism(s) whereby PTH induces an anabolic response durin...

The involvement of a Nanog, Klf4 and c-Myc transcriptional circuitry in the intertwining between neoplastic progression and reprogramming.

Cell Cycle 12(2) , 353-64, (2013)

One undisputed milestone of traditional oncology is neoplastic progression, which consists of a progressive selection of dedifferentiated cells driven by a chance sequence of genetic mutations. Recent...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

EINECS 202-591-2
MFCD00007733
4'-Amino-2,3'-dimethylazobenzene
O-AMINOAZOTOLUENE

 o-aminoazotoluene | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What are the upstream materials of 2-Methyl-5-(p-tolyldiazenyl)aniline?
A: Related upstream materials(CAS) of 2-Methyl-5-(p-tolyldiazenyl)aniline: 614-63-1;95-53-4;636-21-5;7647-01-0.
Q: What are the uses of 2-Methyl-5-(p-tolyldiazenyl)aniline?
A: Main uses of 2-Methyl-5-(p-tolyldiazenyl)aniline: 2-Methyl-5-(p-tolyldiazenyl)aniline is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
Q: What English synonyms does 2-Methyl-5-(p-tolyldiazenyl)aniline have?
A: English synonyms of 2-Methyl-5-(p-tolyldiazenyl)aniline: EINECS 202-591-2, MFCD00007733, 4'-Amino-2,3'-dimethylazobenzene, O-AMINOAZOTOLUENE.
Q: What is the polar surface area (PSA) of 2-Methyl-5-(p-tolyldiazenyl)aniline?
A: Polar surface area (PSA) of 2-Methyl-5-(p-tolyldiazenyl)aniline is 50.74000.
Q: What is the LogP of 2-Methyl-5-(p-tolyldiazenyl)aniline?
A: LogP of 2-Methyl-5-(p-tolyldiazenyl)aniline is 4.88220.
Q: What is the safety information for 2-Methyl-5-(p-tolyldiazenyl)aniline?
A: Safety information for 2-Methyl-5-(p-tolyldiazenyl)aniline: S53-S45.
Q: What is the molecular formula of 2-Methyl-5-(p-tolyldiazenyl)aniline?
A: Molecular formula of 2-Methyl-5-(p-tolyldiazenyl)aniline is C14H15N3.
Q: What is the InChIKey of 2-Methyl-5-(p-tolyldiazenyl)aniline?
A: InChIKey of 2-Methyl-5-(p-tolyldiazenyl)aniline is PFRYFZZSECNQOL-UHFFFAOYSA-N.
Q: What is the English name of 2-Methyl-5-(p-tolyldiazenyl)aniline?
A: The English name of 2-Methyl-5-(p-tolyldiazenyl)aniline is 2-Methyl-5-(p-tolyldiazenyl)aniline.
Q: What is the molecular weight of 2-Methyl-5-(p-tolyldiazenyl)aniline?
A: Molecular weight of 2-Methyl-5-(p-tolyldiazenyl)aniline is 225.28900.

 o-aminoazotoluenefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
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