2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)naphtho[2,1-b]thiophen-1(2H)-one

Modify Date: 2025-08-27 12:51:44

2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)naphtho[2,1-b]thiophen-1(2H)-one structure	Common Name	2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)naphtho[2,1-b]thiophen-1(2H)-one
	CAS Number	3989-75-1	Molecular Weight	396.48100
	Density	1.523g/cm3	Boiling Point	575.7ºC at 760 mmHg
	Molecular Formula	C₂₄H₁₂O₂S₂	Melting Point	N/A
	MSDS	N/A	Flash Point	248.3ºC

Name	Vat Brown 5

Density	1.523g/cm3
Boiling Point	575.7ºC at 760 mmHg
Molecular Formula	C₂₄H₁₂O₂S₂
Molecular Weight	396.48100
Flash Point	248.3ºC
Exact Mass	396.02800
PSA	84.74000
LogP	6.48160
Index of Refraction	1.863
InChIKey	RNJIWICOCATEFH-UHFFFAOYSA-N
SMILES	O=C1C(=C2Sc3ccc4ccccc4c3C2=O)Sc2ccc3ccccc3c21

CHEMICAL IDENTIFICATION

RTECS NUMBER :: QM0677750

CHEMICAL NAME :: Naphtho(2,1-b)thiophen-1(2H)-one, 2-(1-oxonaphtho(2,1-b)thien-2(1H)-ylidene)-

CAS REGISTRY NUMBER :: 3989-75-1

LAST UPDATED :: 199712

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C24-H12-O2-S2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 30 gm/kg/30D-I

TOXIC EFFECTS :: Liver - liver function tests impaired Kidney, Ureter, Bladder - urine volume increased Related to Chronic Data - death

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 55(4),93,1990

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Product Name: 2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)naphtho[2,1-b]thiophen-1(2H)-one
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China
Product Name: TIANFU-CHEM Vat Brown 5
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
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