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CAS 2866-43-5 | 2,2'-thiophene-2,5-diylbis(benzoxazole)

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Common Name	2,2'-thiophene-2,5-diylbis(benzoxazole)
CAS Number	2866-43-5	Molecular Weight	318.34900
Density	1.385	Boiling Point	466.4ºC at 760 mmHg
Molecular Formula	C₁₈H₁₀N₂O₂S	Melting Point	216-220ºC
MSDS	/	Flash Point	235.9ºC

Names

Name	Fluorescent Brightener 185
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.385
Boiling Point	466.4ºC at 760 mmHg
Melting Point	216-220ºC
Molecular Formula	C₁₈H₁₀N₂O₂S
Molecular Weight	318.34900
Flash Point	235.9ºC
Exact Mass	318.04600
PSA	80.30000
LogP	5.36450
Index of Refraction	1.6000 (estimate)
InChIKey	UGFSLKRMHPGLFU-UHFFFAOYSA-N
SMILES	c1ccc2oc(-c3ccc(-c4nc5ccccc5o4)s3)nc2c1

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DM4888166

CHEMICAL NAME :: Benzoxazole, 2,2'-(2,5-thiophenediyl)bis-

CAS REGISTRY NUMBER :: 2866-43-5

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C18-H10-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 :: >30 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

Safety Information

HS Code	2934999090

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

2,4-DICHLORO-5-FLUORO-3-NITROBENZOTRIFLUORIDE

2,2'-thiodipropanol

2,2'-sulfanediyldipropan-1-ol

2,2'-sulfanediyl-bis-propan-1-ol

2,2'-thiophene-2,5-diyl-bis-benzooxazole

1-Propanol,2,2'-thiobis

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