Benzoxazole

Modify Date: 2024-01-03 07:27:31

Benzoxazole Structure
Benzoxazole structure
Common Name Benzoxazole
CAS Number 273-53-0 Molecular Weight 119.121
Density 1.2±0.1 g/cm3 Boiling Point 182.5±9.0 °C at 760 mmHg
Molecular Formula C7H5NO Melting Point 27-30 °C(lit.)
MSDS Chinese USA Flash Point 65.3±14.6 °C
Symbol GHS07
GHS07
Signal Word Warning

 Names

Name 1,3-benzoxazole
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 182.5±9.0 °C at 760 mmHg
Melting Point 27-30 °C(lit.)
Molecular Formula C7H5NO
Molecular Weight 119.121
Flash Point 65.3±14.6 °C
Exact Mass 119.037117
PSA 26.03000
LogP 1.59
Vapour Pressure 1.1±0.3 mmHg at 25°C
Index of Refraction 1.609
Water Solubility Insoluble

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DM4375000
CHEMICAL NAME :
Benzoxazole
CAS REGISTRY NUMBER :
273-53-0
LAST UPDATED :
199701
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C7-H5-N-O
MOLECULAR WEIGHT :
119.13
WISWESSER LINE NOTATION :
T56 BN DOJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
750 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 :
250 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 :
179 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

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302-H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes F:Flammable;Xn:Harmful;
Risk Phrases R11;R22;R36/37/38
Safety Phrases S26-S36/37/39-S37/39
RIDADR 1325
WGK Germany 3
RTECS DM4375000
Packaging Group III
Hazard Class 4.1
HS Code 2934999090

 Synthetic Route

 Customs

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

 Articles1

More Articles
Toward prediction of alkane/water partition coefficients.

J. Med. Chem. 51 , 3720-30, (2008)

Partition coefficients were measured for 47 compounds in the hexadecane/water ( P hxd) and 1-octanol/water ( P oct) systems. Some types of hydrogen bond acceptor presented by these compounds to the pa...

 Synonyms

1,3-Benzoxazole
benzoxazoline
Benzoxazole
benzoxazol
Benzo[d]oxazole
1-Oxa-3-aza-1H-indene
USAF EK-5017
1-Oxa-3-azaindene
1,4-benzoxazole
Benzooxazole
EINECS 205-988-9
benz<b>oxazole
MFCD00005765
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