Benzooxazol-2-ylamine

Modify Date: 2026-07-09 12:16:26

Benzooxazol-2-ylamine Structure
Benzooxazol-2-ylamine structure
 Common Name Benzooxazol-2-ylamine
CAS Number 4570-41-6 Molecular Weight 134.135
Density 1.3±0.1 g/cm3 Boiling Point 278.0±23.0 °C at 760 mmHg
Molecular Formula C7H6N2O Melting Point 128-133ºC
MSDS N/A Flash Point 121.9±22.6 °C

 Names

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

Name 2-Aminobenzoxazole
Synonym More Synonyms

 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 1.3±0.1 g/cm3
Boiling Point 278.0±23.0 °C at 760 mmHg
Melting Point 128-133ºC
Molecular Formula C7H6N2O
Molecular Weight 134.135
Flash Point 121.9±22.6 °C
Exact Mass 134.048019
PSA 52.05000
LogP 1.86
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.685
InChIKey JPBLHOJFMBOCAF-UHFFFAOYSA-N
SMILES Nc1nc2ccccc2o1

 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 :
DM4500000
CHEMICAL NAME :
Benzoxazole, 2-amino-
CAS REGISTRY NUMBER :
4570-41-6
LAST UPDATED :
199712
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C7-H6-N2-O
MOLECULAR WEIGHT :
134.15
WISWESSER LINE NOTATION :
T56 BN DOJ CZ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
600 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
MDCHAG Medicinal Chemistry: A Series of Monographs. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1963- Volume(issue)/page/year: 4(1),336,1964
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
275 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
MDCHAG Medicinal Chemistry: A Series of Monographs. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1963- Volume(issue)/page/year: 4(1),336,1964
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
678 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
MDCHAG Medicinal Chemistry: A Series of Monographs. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1963- Volume(issue)/page/year: 4(1),336,1964
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
392 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
MDCHAG Medicinal Chemistry: A Series of Monographs. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1963- Volume(issue)/page/year: 4(1),336,1964
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
238 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 105,486,1952

 Safety Information

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

Hazard Codes Xi
HS Code 2934999090

 Synthetic Route

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

 Customs

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

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Benzooxazol-2-ylamineBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Discovery of Small Molecules to Inhibit Human Cytomegalovirus Nuclear Egress
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: HCMV UL50
External Id: HMS1262
Name: NCI human tumor cell line growth inhibition assay. Data for the MCF7 Non-Small Cell L...
Source: DTP/NCI
Target: N/A
External Id: MCF7_OneDose
Name: NCI human tumor cell line growth inhibition assay. Data for the IGROV1 Non-Small Cell...
Source: DTP/NCI
Target: N/A
External Id: IGROV1_OneDose
Name: A screen for compounds that inhibit the activity of LtaS in Staphylococcus aureus
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS979
Name: A screen for compounds that inhibit viral RNA polymerase binding and polymerization a...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: Chain A, Poliovirus Polymerase With Gtp
External Id: HMS750
Total 5, Current Page 1 of 1
1

 Synonyms

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

Benzoxazol-2-amine
1,3-Benzoxazol-2-amine
2-Aminobenzoxazole
T56 BMYOJ CUM
T56 BN DOJ CZ
Benzooxazol-2-ylamine
2-Benzoxazolamine
EINECS 224-952-3

 Benzooxazol-2-ylamine | FAQ

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

Q: What is the molecular weight of 2-Aminobenzoxazole?
A: Molecular weight of 2-Aminobenzoxazole is 134.135.
Q: What is the polar surface area (PSA) of 2-Aminobenzoxazole?
A: Polar surface area (PSA) of 2-Aminobenzoxazole is 52.05000.
Q: What is the InChIKey of 2-Aminobenzoxazole?
A: InChIKey of 2-Aminobenzoxazole is JPBLHOJFMBOCAF-UHFFFAOYSA-N.
Q: What is the SMILES notation of 2-Aminobenzoxazole?
A: SMILES notation of 2-Aminobenzoxazole is Nc1nc2ccccc2o1.
Q: What is the CAS number of 2-Aminobenzoxazole?
A: CAS number of 2-Aminobenzoxazole is 4570-41-6.
Q: What is the LogP of 2-Aminobenzoxazole?
A: LogP of 2-Aminobenzoxazole is 1.86.
Q: What English synonyms does 2-Aminobenzoxazole have?
A: English synonyms of 2-Aminobenzoxazole: Benzoxazol-2-amine, 1,3-Benzoxazol-2-amine, 2-Aminobenzoxazole, T56 BMYOJ CUM, T56 BN DOJ CZ, Benzooxazol-2-ylamine, 2-Benzoxazolamine, EINECS 224-952-3.
Q: What is the melting point of 2-Aminobenzoxazole?
A: Melting point of 2-Aminobenzoxazole is 128-133ºC.
Q: What is the molecular formula of 2-Aminobenzoxazole?
A: Molecular formula of 2-Aminobenzoxazole is C7H6N2O.
Q: What is the boiling point of 2-Aminobenzoxazole?
A: Boiling point of 2-Aminobenzoxazole is 278.0±23.0 °C at 760 mmHg.

 Benzooxazol-2-ylaminefactory

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.
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