Benzoxazole,5-chloro-2-hydrazinyl-

Modify Date: 2025-09-20 18:48:04

Benzoxazole,5-chloro-2-hydrazinyl- Structure
Benzoxazole,5-chloro-2-hydrazinyl- structure
 Common Name Benzoxazole,5-chloro-2-hydrazinyl-
CAS Number 64037-22-5 Molecular Weight 183.59500
Density 1.553g/cm3 Boiling Point 334.7ºC at 760mmHg
Molecular Formula C7H6ClN3O Melting Point N/A
MSDS N/A Flash Point 156.2ºC

 Names

Name (5-chloro-1,3-benzoxazol-2-yl)hydrazine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.553g/cm3
Boiling Point 334.7ºC at 760mmHg
Molecular Formula C7H6ClN3O
Molecular Weight 183.59500
Flash Point 156.2ºC
Exact Mass 183.02000
PSA 67.31000
LogP 1.88900
Index of Refraction 1.745
InChIKey QLFZBRRENHODQH-UHFFFAOYSA-N
SMILES NNc1nc2cc(Cl)ccc2o1

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DM4740000
CHEMICAL NAME :
Benzoxazole, 5-chloro-2-hydrazino-
CAS REGISTRY NUMBER :
64037-22-5
LAST UPDATED :
199712
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C7-H6-Cl-N3-O
MOLECULAR WEIGHT :
183.61
WISWESSER LINE NOTATION :
T56 BN DOJ CMZ HG

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 :
90 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),337,1964
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
80 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),337,1964

 Safety Information

HS Code 2934999090

 Synthetic Route

5-Chloro-benzooxazole-2-thiol structure

5-Chloro-benzoo...

CAS#:22876-19-3

~76%

Benzoxazole,5-chloro-2-hydrazinyl- Structure

Benzoxazole,5-c...

CAS#:64037-22-5

Literature: Swelam, Samira Abou-Srie; Abu-Bakr, Sherifa Mostafa Heterocyclic Communications, 2008 , vol. 14, # 1-2 p. 115 - 122
2,5-Dichlorobenzooxazole structure

2,5-Dichloroben...

CAS#:3621-81-6

~%

Benzoxazole,5-chloro-2-hydrazinyl- Structure

Benzoxazole,5-c...

CAS#:64037-22-5

Literature: Sam,J.; Plampin,J.N. Journal of Pharmaceutical Sciences, 1964 , vol. 53, p. 538 - 544
2-Amino-4-chlorophenol structure

2-Amino-4-chlor...

CAS#:95-85-2

~%

Benzoxazole,5-chloro-2-hydrazinyl- Structure

Benzoxazole,5-c...

CAS#:64037-22-5

Literature: Haviv; Ratajczyk; DeNet; Kerdesky; Walters; Schmidt; Holms; Young; Carter Journal of Medicinal Chemistry, 1988 , vol. 31, # 9 p. 1719 - 1728

 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%

 Synonyms

BENZOXAZOLE,5-CHLORO-2-HYDRAZINO
2-hydrazino-5-chlorobenzoxazole
Benzoxazole,5-chloro-2-hydrazinyl
5-Chlor-2-hydrazino-benzoxazol
5-chloro-2-hydrazino-benzooxazole
5-Chloro-2-hydrazinobenzoxazole
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