CAS No.3528-17-4,Thiochroman-4-one Suppliers,MSDS download

Products Categories

Pharmaceutical (33)
Organic Chemicals (9)
Others (5)
Basic Inorganic Chemicals (2)
Reagent (1)

Basic Information

Molecular Structure:
CAS No.:	3528-17-4
Name:	Thiochroman-4-one
Article Data:	41

Formula:	C₉H₈OS
Molecular Weight:	164.228
Synonyms:	Thiochroman-4-one(6CI,7CI,8CI);1-Thiochroman-4-one;2,3-Dihydro-4-benzothiopyranone;2,3-Dihydro-4H-1-benzothiopyran-4-one;2,3-Dihydro-4H-thiochromen-4-one;Thiachroman-4-one;Thiochromanone;
EINECS:	222-548-1
Density:	1.241 g/cm³
Melting Point:	28-30 °C(lit.)
Boiling Point:	293.7 °C at 760 mmHg
Flash Point:	154.9 °C
Safety:	S24/25
PSA:	42.37000
LogP:	2.36510

Synthetic route

: 40316-60-7
thiochroman-4-ol

: 3528-17-4
2,3-dihydro-4H-[1]benzothiopyran-4-one

Conditions

Conditions	Yield
With dimethyl sulfoxide; triethylamine In dichloromethane at -40 - 20℃; for 8h;	93%
With 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione In dimethyl sulfoxide for 24h; Ambient temperature;	92%
With ammonium nitrate; hydrogenchloride; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; oxygen In water; acetonitrile at 60℃; for 18h; Green chemistry;	85%

: 93622-03-8
thiochroman-4-one semicarbazone

: 3528-17-4
2,3-dihydro-4H-[1]benzothiopyran-4-one

Conditions

Conditions	Yield
With potassium permanganate; silica gel In water at 20℃; for 0.416667h;	91%

: 5219-65-8
acide phenylthio-3 propanoique

: 3528-17-4
2,3-dihydro-4H-[1]benzothiopyran-4-one

Conditions

Conditions	Yield
With PPA for 0.0166667h; microwave irradiation;	80%
With sulfuric acid at 110℃; for 4h;	80%
With PPA at 60℃; for 96h;	66%

: 55454-08-5
4-(trimethylsilyloxy)thiochrom-3-ene

: 108-94-1
cyclohexanone

A: 3528-17-4
2,3-dihydro-4H-[1]benzothiopyran-4-one

B: 94445-51-9
3-cyclohexylidene-4-thiochromanone

Conditions

Conditions	Yield
With titanium tetrachloride In dichloromethane 1.) -78 deg C; 2.) 25 deg C, 18 h;	A 63% B 32%

...Expand

: 55454-08-5
4-(trimethylsilyloxy)thiochrom-3-ene

: 120-92-3
cyclopentanone

A: 3528-17-4
2,3-dihydro-4H-[1]benzothiopyran-4-one

B: 491-39-4
thiochromen-4-one

C: 94445-49-5
3-cyclopentylidene-4-thiochromanone

Conditions

Conditions	Yield
With titanium tetrachloride In dichloromethane 1.) -78 deg C; 2.) 25 deg C, 18 h;	A 24% B 20% C 22%

...Expand

: 7664-93-9
sulfuric acid

: 5219-65-8
acide phenylthio-3 propanoique

: 3528-17-4
2,3-dihydro-4H-[1]benzothiopyran-4-one

: 930-69-8
sodium thiophenolate

cyclooctatetraene 1,2-trans-dihalide: cyclooctatetraene 1,2-trans-dihalide

: 3528-17-4
2,3-dihydro-4H-[1]benzothiopyran-4-one

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 86 percent / 0.06 h / microwave irradiation 2: 80 percent / polyphosphoric acid / 0.02 h / microwave irradiation View Scheme

: 882-33-7
diphenyldisulfane

1-(4-(biphenyl-4-yl)thiazol-2-yl)piperazine bound to Wang resin: 1-(4-(biphenyl-4-yl)thiazol-2-yl)piperazine bound to Wang resin

: 3528-17-4
2,3-dihydro-4H-[1]benzothiopyran-4-one

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: ethanol / Heating 2: various solvent(s) / 1 h / 100 °C / Heating View Scheme

: 108-98-5
thiophenol

: 3528-17-4
2,3-dihydro-4H-[1]benzothiopyran-4-one

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: NaOH-solution 2: concentrated sulfuric acid / 20 °C View Scheme
Multi-step reaction with 2 steps 1: NaOH-solution 2: concentrated sulfuric acid / 60 °C View Scheme
Multi-step reaction with 2 steps 1: ethanol; water / 2 h / Reflux 2: sulfuric acid / 0 - 20 °C View Scheme

: 107-94-8
chloropropionic acid

: 108-98-5
thiophenol

: 3528-17-4
2,3-dihydro-4H-[1]benzothiopyran-4-one

Conditions

Conditions	Yield
With sodium hydroxide

Country:
- China (Mainland)(48)
- United States(2)
Business Type:
All

Lab/Research institutions

Trading Company

Manufacturers

Other
Certificate:
Manufacturer

Enterprise Authentication

ISO

GMP

FDA

HALAL

Display:default sort
Suppiers of more reward points first

New supplier

Total:45 Page 1 of 2 1 2 Next>>

Post a RFQ

Cas No.:

Product Name:

Quantity:

Email:

Company name:

Valid Period:

Detailed Requirements:

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

What can I do for you?
Get Best Price

Get Best Price for 3528-17-4

Chemistry

Molecular Structure of Thiochroman-4-one (CAS NO.3528-17-4):

IUPAC Name: 2,3-dihydrothiochromen-4-one
Empirical Formula: C₉H₈OS
Molecular Weight: 164.2242
H bond acceptors: 1
H bond donors: 0
Freely Rotating Bonds: 0
Polar Surface Area: 42.37 Å²
Index of Refraction: 1.624
Molar Refractivity: 46.71 cm³
Molar Volume: 132.2 cm³
Surface Tension: 49.1 dyne/cm
Density: 1.241 g/cm³
Flash Point: 154.9 °C
Enthalpy of Vaporization: 53.33 kJ/mol
Boiling Point: 293.7 °C at 760 mmHg
Vapour Pressure: 0.0017 mmHg at 25°C
Melting point: 28-30 °C(lit.)
InChI
InChI=1/C9H8OS/c10-8-5-6-11-9-4-2-1-3-7(8)9/h1-4H,5-6H2
Smiles
c12c(C(CCS1)=O)cccc2
EINECS: 222-548-1
Product Categories: Heterocyclic Compounds; Heterocyclic Building Blocks; Others; S-Containing

Safety Profile

Safety Statements: 24/25
S24/25:Avoid contact with skin and eyes.
WGK Germany: 3

Specification

Thiochroman-4-one , with CAS number of 3528-17-4, can be called 1-Thiochroman-4-one ; 2,3-Dihydro-4-benzothiopyranone ; 2,3-Dihydro-4H-1-benzothiopyran-4-one ; 2,3-Dihydro-4H-thiochromen-4-one . It is an orange low melting solid.