2 (3H)-Benzoxazolethione, 4-hydroxy-

Modify Date: 2025-08-25 21:38:33

2 (3H)-Benzoxazolethione, 4-hydroxy- Structure
2 (3H)-Benzoxazolethione, 4-hydroxy- structure
 Common Name 2 (3H)-Benzoxazolethione, 4-hydroxy-
CAS Number 73713-92-5 Molecular Weight 167.18500
Density 1.61g/cm3 Boiling Point 290.2ºC at 760 mmHg
Molecular Formula C7H5NO2S Melting Point N/A
MSDS N/A Flash Point 129.3ºC

 Names

Name 4-hydroxy-3H-1,3-benzoxazole-2-thione
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.61g/cm3
Boiling Point 290.2ºC at 760 mmHg
Molecular Formula C7H5NO2S
Molecular Weight 167.18500
Flash Point 129.3ºC
Exact Mass 167.00400
PSA 85.06000
LogP 1.82210
Index of Refraction 1.776
Storage condition 2-8°C

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DM4885000
CHEMICAL NAME :
2-Benzoxazolethiol, 4-hydroxy-
CAS REGISTRY NUMBER :
73713-92-5
BEILSTEIN REFERENCE NO. :
0131755
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C7-H5-N-O2-S
MOLECULAR WEIGHT :
167.19
WISWESSER LINE NOTATION :
T56 BN DOJ CSH IQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
180 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#01304

 Safety Information

HS Code 2934999090

 Synthetic Route

2-Amino-1,3-benzenediol structure

2-Amino-1,3-ben...

CAS#:3163-15-3

potassium ethylxanthate structure

potassium ethyl...

CAS#:140-89-6

~58%

2 (3H)-Benzoxazolethione, 4-hydroxy- Structure

2 (3H)-Benzoxaz...

CAS#:73713-92-5

Literature: Rodgers, James D.; Shepard, Stacey; Arvanitis, Argyrios G.; Wang, Haisheng; Storace, Louis; Folmer, Beverly; Shao, Lixin; Zhu, Wenyu; Glenn, Joseph Patent: US2010/298334 A1, 2010 ; Location in patent: Page/Page column 120 ; US 20100298334 A1
2,6-Dimethoxyaniline structure

2,6-Dimethoxyaniline

CAS#:2734-70-5

~%

2 (3H)-Benzoxazolethione, 4-hydroxy- Structure

2 (3H)-Benzoxaz...

CAS#:73713-92-5

Literature: US2010/298334 A1, ; US 20100298334 A1
2-Amino-1,3-benzenediol structure

2-Amino-1,3-ben...

CAS#:3163-15-3

~%

2 (3H)-Benzoxazolethione, 4-hydroxy- Structure

2 (3H)-Benzoxaz...

CAS#:73713-92-5

Literature: Journal of Organic Chemistry, , vol. 19, p. 758,762, 765
Thiophosgene structure

Thiophosgene

CAS#:463-71-8

2-Amino-1,3-benzenediol structure

2-Amino-1,3-ben...

CAS#:3163-15-3

~%

2 (3H)-Benzoxazolethione, 4-hydroxy- Structure

2 (3H)-Benzoxaz...

CAS#:73713-92-5

Literature: Journal of the Chemical Society, , vol. 125, p. 1704

 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

4-Hydroxy-3H-benzoxazol-2-thion
4-Hydroxy-2-benzoxazolethiol
2-BENZOXAZOLETHIOL,4-HYDROXY
WLN: T56 BN DOJ CSH IQ
4-hydroxy-3H-benzoxazole-2-thione
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