BBOT

Modify Date: 2026-07-01 13:14:20

BBOT Structure
BBOT structure
Common Name BBOT
CAS Number 7128-64-5 Molecular Weight 430.562
Density 1.2±0.1 g/cm3 Boiling Point 531.2±45.0 °C at 760 mmHg
Molecular Formula C26H26N2O2S Melting Point 199-201 °C(lit.)
MSDS USA Flash Point 275.1±28.7 °C

 Names

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

Name Fluorescent Brightener 184
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 1.2±0.1 g/cm3
Boiling Point 531.2±45.0 °C at 760 mmHg
Melting Point 199-201 °C(lit.)
Molecular Formula C26H26N2O2S
Molecular Weight 430.562
Flash Point 275.1±28.7 °C
Exact Mass 430.171509
PSA 80.30000
LogP 8.98
Vapour Pressure 0.0±1.3 mmHg at 25°C
Index of Refraction 1.617
InChIKey AIXZBGVLNVRQSS-UHFFFAOYSA-N
SMILES CC(C)(C)c1ccc2oc(-c3ccc(-c4nc5cc(C(C)(C)C)ccc5o4)s3)nc2c1
Stability Stable. Incompatible with strong oxidizing agents.

 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 :
DM4888332
CHEMICAL NAME :
Benzoxazole, 2,2'-(2,5-thiophenediyl)bis(5-(1,1-dimethylethyl)-
CAS REGISTRY NUMBER :
7128-64-5
LAST UPDATED :
199803
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C26-H26-N2-O2-S

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 :
>10 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
MVCRB3 MVC-Report. (Stockholm, Sweden) No.1-2, 1972-73. Discontinued. Volume(issue)/page/year: 2,193,1973 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
54600 mg/kg/2Y-C
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - effect, not otherwise specified
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0539835

 Safety Information

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

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi
Risk Phrases 36/37/38
Safety Phrases S24/25
RIDADR NONH for all modes of transport
WGK Germany 1
RTECS DM4888332
HS Code 3204200000

 Synthetic Route

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

~%

BBOT Structure

BBOT

CAS#:7128-64-5

Learn More
Literature: Helvetica Chimica Acta, , vol. 63, # 2 p. 413 - 419

~%

BBOT Structure

BBOT

CAS#:7128-64-5

Learn More
Literature: Helvetica Chimica Acta, , vol. 63, # 2 p. 413 - 419

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  2

DownStream  0

 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%

 Articles2

More Articles

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

Induction of an altered lipid phenotype by two cancer promoting treatments in rat liver.

Food Chem. Toxicol. 78 , 96-104, (2015)

Changes in lipid metabolism have been associated with tumor promotion in rat liver. Similarities and differences of lipid parameters were investigated using the mycotoxin fumonisin B1 (FB1) and the 2-...

Interaction Between Optically-Generated Charge-Transfer States and Magnetized Charge-Transfer States toward Magneto-Electric Coupling.

J. Phys. Chem. Lett. 6 , 4319-25, (2016)

This article reports the magneto-dielectric studies on the coupling between optically generated CT states and magnetized CT states based on thin-film devices with the architecture of ITO/TPD:BBOT/TPD/...

 Synonyms

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

2,2'-(2,5-Thiophenediyl)bis[5-tert-butylbenzoxazole]
2,2'-thiene-2,5-diylbis(5-tert-butyl-1,3-benzoxazole)
EUTEX OB-RC
UVITEX 2B
2,2'-(2,5-Thienediyl)bis[5-(2-methyl-2-propanyl)-1,3-benzoxazole]
FBA 184
bbot150
2,4-DICHLORO-5-BROMOPYRIMIDINE,COLOURLESS OIL
2,5-Bis(5-tert-butyl-benzoxazol-2-yl)thiophene
2,5-bis(5-tert-Butyl-2-benzoxazolyl)thiophene
2,5-bis-(5-tert-Butyl-2-benzoxazolyl)thiophene
Fluorescent Brightener 184
B-184
UVITEX
EINECS 230-426-4
OptiblancPL
2,5-bis(5-tert-butylbenzo[d]oxazol-2-yl)thiophene
BBOT
MFCD00005774
Uvitex OB
2,5 BIS (5-TERT-BUTYL-2-BENZOXAZOLYL) THIOPHENE

 BBOT | 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 Fluorescent Brightener 184?
A: Related upstream materials(CAS) of Fluorescent Brightener 184: 4282-31-9;3857-36-1.
Q: What is the SMILES notation of Fluorescent Brightener 184?
A: SMILES notation of Fluorescent Brightener 184 is CC(C)(C)c1ccc2oc(-c3ccc(-c4nc5cc(C(C)(C)C)ccc5o4)s3)nc2c1.
Q: What is the polar surface area (PSA) of Fluorescent Brightener 184?
A: Polar surface area (PSA) of Fluorescent Brightener 184 is 80.30000.
Q: What is the safety information for Fluorescent Brightener 184?
A: Safety information for Fluorescent Brightener 184: S24/25.
Q: What is the LogP of Fluorescent Brightener 184?
A: LogP of Fluorescent Brightener 184 is 8.98.
Q: What is the melting point of Fluorescent Brightener 184?
A: Melting point of Fluorescent Brightener 184 is 199-201 °C(lit.).
Q: What is the molecular weight of Fluorescent Brightener 184?
A: Molecular weight of Fluorescent Brightener 184 is 430.562.
Q: What is the InChIKey of Fluorescent Brightener 184?
A: InChIKey of Fluorescent Brightener 184 is AIXZBGVLNVRQSS-UHFFFAOYSA-N.
Q: What is the English name of Fluorescent Brightener 184?
A: The English name of Fluorescent Brightener 184 is Fluorescent Brightener 184.
Q: What is the CAS number of Fluorescent Brightener 184?
A: CAS number of Fluorescent Brightener 184 is 7128-64-5.

 BBOTfactory

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.
Zhongshan Xingrui Chemical Co. , Ltd.
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