Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)naphtho[2,1-b]thiophen-1(2H)-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

Henan Tianfu Chemical Co., Ltd.
China
Product Name: TIANFU-CHEM Vat Brown 5
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson

3989-75-1

3989-75-1 structure

3989-75-1 structure

Name: 2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)naphtho[2,1-b]thiophen-1(2H)-one
Chemical Name: Vat Brown 5
CAS Number: 3989-75-1
Molecular Formula: C₂₄H₁₂O₂S₂
Molecular Weight: 396.48100
Catalog: Dyes and pigments dye Reduced dye
Create Date: 2018-03-14 08:00:00
Modify Date: 2024-08-23 17:50:29

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

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