Solvent Red 49 supplier | CasNO.509-34-2

Name
Solvent Red 49
EINECS 208-096-8
CAS No. 509-34-2
Article Data17
CAS DataBase
Density 1.24 g/cm³
Solubility soluble in water and ethanol
Melting Point
Formula C₂₈H₃₀N₂O₃
Boiling Point 637.2 °C at 760 mmHg
Molecular Weight 442.558
Flash Point 339.1 °C
Transport Information
Appearance lilac fine crystalline powder
Safety 26-36/37
Risk Codes 22-37/38-41
Molecular Structure
Hazard Symbols Xn
Synonyms C.I.Solvent Red 49 (7CI);Fluoran, 3',6'-bis(diethylamino)- (6CI,8CI);AizenRhodamine B Base;Baso Red 546;CertiqualRhodamine;Eljon Magenta Toner;Lacquer Pink S;NSC 43944;Oil Pink 312;Oil Red 312;Orient Oil Pink 312;Orient Pink 312;Rhodamine B Base Extra;Rhodamine B base;Rhodamine Base FB;Rhodamine S lactone;Waxoline Rhodamine BS;
PSA 59.52000
LogP 4.22630

Synthetic route

: 81-88-9
rhodamine B

: 509-34-2
rhodamine B

Conditions

Conditions	Yield
With sodium hydroxide In water for 2h; Inert atmosphere;	94%
With sodium hydroxide In water	90%
With sodium hydroxide	90.2%
With sodium hydroxide In ethyl acetate

: rhodamine B

: 509-34-2
rhodamine B

Conditions

Conditions	Yield
With sodium hydroxide In ethyl acetate	93%

: 528-46-1
phthalonic acid

: 91-68-9
3-diethylaminophenol

: 509-34-2
rhodamine B

Conditions

Conditions	Yield
With sulfuric acid at 180 - 190℃;
at 180℃;

: 5809-23-4
2'-Carboxy-4-diethylamino-2-hydroxybenzophenon

: 91-68-9
3-diethylaminophenol

: 509-34-2
rhodamine B

Conditions

Conditions	Yield
With sulfuric acid
With sulfuric acid

: 3375-25-5
rhodamine B

: 509-34-2
rhodamine B

Conditions

Conditions	Yield
erythromycin In dimethyl sulfoxide Rate constant; various solvents;
In chloroform at 25 - 50℃; Equilibrium constant; Rate constant; effect of erythromycin A;
In ethanol at 25℃; Equilibrium constant; Thermodynamic data; other temperatures; other solvents;
In methanol at 24.9℃; under 735.8 Torr; Equilibrium constant; var. solvents and pressure;
In ethanol Equilibrium constant;

: 109-89-7
diethylamine

6-chloro-3-diethylamino-fluorane: 6-chloro-3-diethylamino-fluorane

: 509-34-2
rhodamine B

3.6-dichloro-fluorane: 3.6-dichloro-fluorane

hydrochloride of diethylamine: hydrochloride of diethylamine

: 509-34-2
rhodamine B

Conditions

Conditions	Yield
With ethanol; sodium acetate at 200 - 220℃; im Autoklaven;

: 1118784-85-2
rhodamine B

: 509-34-2
rhodamine B

Conditions

Conditions	Yield
With sodium hydroxide

: 509-34-2
rhodamine B

: N-(9-(2-(chlorocarbonyl)phenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-ethylethanaminium chloride

Conditions

Conditions	Yield
With trichlorophosphate In dichloromethane for 3h; Reflux; Inert atmosphere;	100%
With trichlorophosphate In dichloromethane for 4h; Heating;
With trichlorophosphate In dichloromethane for 4h; Reflux;

: 509-34-2
rhodamine B

: 1137-42-4
4-Hydroxybenzophenone

: C28H30O3N2*C13H10O2

Conditions

Conditions	Yield
In acetonitrile at 20℃; for 24h;	98%

: 110-85-0
piperazine

: 509-34-2
rhodamine B

: N‐(6‐(diethylamino)‐9‐(2‐(piperazine‐1‐carbonyl)phenyl)‐3H-xanthen‐3‐ylidene)‐N‐ethylethanaminium chloride

Conditions

Conditions	Yield
Stage #1: piperazine With trimethylaluminum In dichloromethane; toluene at 20℃; for 1h; Stage #2: rhodamine B In dichloromethane; toluene for 1h; Inert atmosphere; Microwave irradiation;	98%
Stage #1: piperazine With trimethylaluminum In dichloromethane; toluene for 1h; Inert atmosphere; Stage #2: rhodamine B In dichloromethane; toluene for 24h; Inert atmosphere; Reflux;	56.8%
Stage #1: piperazine With trimethylaluminum In dichloromethane; toluene at 20℃; for 1h; Inert atmosphere; Stage #2: rhodamine B In dichloromethane; toluene for 72h; Inert atmosphere; Reflux;	20%

: 105-36-2
ethyl bromoacetate

: 509-34-2
rhodamine B

: ethylcarboxymethyl rhodamine B bromide

Conditions

Conditions	Yield
With N-ethyl-N,N-diisopropylamine In acetonitrile at 90℃; for 1h;	98%

: 509-34-2
rhodamine B

: 107-15-3
ethylenediamine

: 950846-89-6
rhodamine B ethylenediamine

Conditions

Conditions	Yield
for 24h; Reflux;	95%
In ethanol for 12h; Heating;	77%
In ethanol for 12h; Reflux;	76%

: 3943-89-3
Ethyl protocatechuate

: 509-34-2
rhodamine B

: C28H30O3N2*C9H10O4

Conditions

Conditions	Yield
In acetonitrile at 20℃; for 2.5h;	93%

: 509-34-2
rhodamine B

: 60-34-4
methylhydrazine

: 1151831-71-8
C29H34N4O2

Conditions

Conditions	Yield
In ethanol for 8h; Reflux;	91%

: 509-34-2
rhodamine B

: rhodamine hydroxamic acid

Conditions

Conditions	Yield
With hydroxylamine hydrochloride; sodium hydroxide In ethanol; water for 10h; Reflux;	91%
With hydroxylamine hydrochloride; sodium hydroxide In ethanol; water at 25℃; for 2h;	75%
Stage #1: rhodamine B With trichlorophosphate In dichloromethane for 6h; Reflux; Stage #2: With hydroxylamine hydrochloride; triethylamine In dichloromethane at 0 - 20℃; for 48h; Inert atmosphere;	72%

: 509-34-2
rhodamine B

: 109-76-2
Trimethylenediamine

: 1217892-39-1
2-(3-aminopropyl)-3',6'-bis(diethylamino)spiro[isoindoline-1,9'-xanthen]-3-one

Conditions

Conditions	Yield
In ethanol for 12h; Reflux;	90%

: 509-34-2
rhodamine B

: 108-00-9
N,N-dimethylethylenediamine

: C32H40N4O2

Conditions

Conditions	Yield
In ethanol for 12h; Reflux;	88%

: 509-34-2
rhodamine B

: 74317-53-6
rhodamine B hydrazide

Conditions

Conditions	Yield
With hydrazine hydrate In ethanol at 120℃; for 8h;	85%
With hydrazine hydrate In ethanol at 20℃; for 0.5h; Reflux;	85%
With hydrazine hydrate In ethanol at 20℃; for 12.5h; Reflux;	85%

: 4097-89-6
2,2',2''-triaminotriethylamine

: 509-34-2
rhodamine B

: 956336-75-7
rhodamine trisamine

Conditions

Conditions	Yield
In ethanol for 73h; Inert atmosphere; Reflux;	83.1%
In ethanol for 36h; Inert atmosphere; Reflux;	83.1%
In ethanol for 36h; Inert atmosphere; Reflux;	77.6%

: 39847-39-7
bis(nonafluorobutanesulfonyl)imide

: 509-34-2
rhodamine B

: C28H31N2O3(1+)*C8F18NO4S2(1-)

Conditions

Conditions	Yield
In dichloromethane; acetone at 20℃; for 4h;	82%

: 593-56-6
N-methoxylamine hydrochloride

: 509-34-2
rhodamine B

: C29H33N3O3

Conditions

Conditions	Yield
Stage #1: rhodamine B With trichlorophosphate In 1,2-dichloro-ethane for 4h; Heating; Stage #2: N-methoxylamine hydrochloride With triethylamine In dichloromethane at 20℃; for 0.5h; Further stages.;	81%

: 509-34-2
rhodamine B

: 6291-84-5
N-Methyl-1,3-propanediamine

: sMRh

Conditions

Conditions	Yield
In ethanol at 85℃; for 48h;	80.3%

: 56-18-8
bis(3-aminopropyl)amine

: 509-34-2
rhodamine B

: sDRh

Conditions

Conditions	Yield
In ethanol at 85℃; for 72h;	76.7%

: 141-43-5
ethanolamine

: 509-34-2
rhodamine B

: 1119217-92-3
N-(rhodamine-B)lactam-ethanolamine

Conditions

Conditions	Yield
Stage #1: rhodamine B With p-toluenesulfonyl chloride In acetonitrile for 0.25h; Stage #2: With dmap In acetonitrile for 0.25h; Stage #3: ethanolamine In acetonitrile	71.5%
In ethanol Reflux; Inert atmosphere;	68%

: 110-85-0
piperazine

: 509-34-2
rhodamine B

: 76-05-1
trifluoroacetic acid

: 1100365-01-2
N-(6-(diethylamino)-9-(2-(piperazine-1-carbonyl)phenyl)-3H-xanthen-3-ylidene)-N-ethylethanaminium 2,2,2-trifluoroacetate

Conditions

Conditions	Yield
Stage #1: piperazine; rhodamine B With trimethylaluminum In dichloromethane for 20h; Reflux; Stage #2: trifluoroacetic acid	71%

...Expand

: 110-85-0
piperazine

: 509-34-2
rhodamine B

: 608136-11-4
N-(6-(diethylamino)-9-(2-(piperazine-1-carbonyl)phenyl)-3H-xanthen-3-ylidene)-N-ethylethanaminium

Conditions

Conditions	Yield
Stage #1: piperazine With trimethylaluminum In dichloromethane; toluene at 20℃; for 1h; Stage #2: rhodamine B In dichloromethane; toluene for 24h; Heating;	70%
With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide
With trimethylaluminum
With N-ethyl-N,N-diisopropylamine; HATU In N,N-dimethyl-formamide Inert atmosphere;

: 1118567-11-5
2-(2-fluoroethoxy)ethyl 4-methylbenzenesulfonate

: 509-34-2
rhodamine B

: 5-fluoro-3-oxapentyl ester of rhodamine B

Conditions

Conditions	Yield
With N-ethyl-N,N-diisopropylamine In acetonitrile for 2h; Reflux;	70%

: 509-34-2
rhodamine B

: 111883-10-4
rhodamine B thiospirolactone

Conditions

Conditions	Yield
With Lawessons reagent In benzene for 4h; Heating;	65%

: 934-32-7
1H-benzimidazol-2-amine

: 509-34-2
rhodamine B

: 1363481-93-9
C35H35N5O2

Conditions

Conditions	Yield
With trichlorophosphate In acetonitrile for 4h; Reflux;	62%

: 509-34-2
rhodamine B

: 178265-65-1
4′-(4-amino-phenyl)-2,2′:6′,2′′-terpyridine

: rhodamine B base

Conditions

Conditions	Yield
With triethylamine; trichlorophosphate In 1,2-dichloro-ethane for 24h; Reflux;	61%

: 504-29-0
2-aminopyridine

: 509-34-2
rhodamine B

: C33H34N4O2

Conditions

Conditions	Yield
With trichlorophosphate at 70℃; for 0.5h;	60%

: 509-34-2
rhodamine B

: 509-72-8
3',6'-diamino-spiro[phthalan-1,9'-xanthen]-3-one

Conditions

Conditions	Yield
With trifluoroacetic acid In ethanol for 2.55h; Photolysis;	59%

: 509-34-2
rhodamine B

: 95-54-5
1,2-diamino-benzene

: 1034863-51-8
C34H36N4O2

Conditions

Conditions	Yield
Stage #1: rhodamine B With trichlorophosphate for 4h; Reflux; Stage #2: 1,2-diamino-benzene With triethylamine In acetonitrile at 20℃;	56%

: 33008-06-9
dansyl hydrazine

: 509-34-2
rhodamine B

: C40H43N5O4S

Conditions

Conditions	Yield
Stage #1: rhodamine B With trichlorophosphate Reflux; Stage #2: dansyl hydrazine With triethylamine In dichloromethane at 20℃; for 12h;	54%
Stage #1: rhodamine B With trichlorophosphate for 6h; Reflux; Stage #2: dansyl hydrazine With triethylamine In dichloromethane at 20℃; for 12h;	46%

: 110-85-0
piperazine

: 509-34-2
rhodamine B

: 1177261-93-6
C32H39N4O2(1+)*ClH*Cl(1-)

Conditions

Conditions	Yield
Stage #1: piperazine; rhodamine B With trimethylaluminum In hexane; dichloromethane for 24h; Inert atmosphere; Reflux; Stage #2: With hydrogenchloride In hexane; dichloromethane; water Inert atmosphere;	52%

Solvent Red 49 Specification

The IUPAC name of Solvent Red 49 is 3',6'-bis(diethylamino)spiro[2-benzofuran-3,9'-xanthene]-1-one. With the CAS registry number 509-34-2, it is also named as Aizen Rhodamine B Base; Fluoran, 3',6'-bis(diethylamino)- (8CI). The product's categories are organics and solvent dyestuff. It is lilac fine crystalline powder which is soluble in water and ethanol, slightly soluble in acetone, and easily soluble in glycol ether. In addition, this chemical is used for coloring of oils, candles, rubber, plastic and lacquer.

The other characteristics of this product can be summarized as: (1)ACD/LogP: 6.75; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 6.26; (4)ACD/LogD (pH 7.4): 6.74; (5)ACD/BCF (pH 5.5): 25657.88; (6)ACD/BCF (pH 7.4): 77874.13; (7)ACD/KOC (pH 5.5): 36109.74; (8)ACD/KOC (pH 7.4): 109596.54; (9)#H bond acceptors: 5; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 6; (12)Index of Refraction: 1.652; (13)Molar Refractivity: 129.73 cm³; (14)Molar Volume: 354.5 cm³; (15)Polarizability: 51.42×10^-24 cm³; (16)Surface Tension: 58 dyne/cm; (17)Enthalpy of Vaporization: 94.13 kJ/mol; (18)Vapour Pressure: 3.9E-16 mmHg at 25°C; (19)Rotatable Bond Count: 6; (20)Exact Mass: 442.225643; (21)MonoIsotopic Mass: 442.225643; (22)Topological Polar Surface Area: 42; (23)Heavy Atom Count: 33.

Preparation of Solvent Red 49: Using 2-hydroxy-N, N-diethyl aniline and phthalic anhydride as raw materials. Condensating this two raw materials in the presence of sulfuric acid, and by alkali soluble, acid soluble to handle the product. After filtration and drying, we can get the product.

When you are using this chemical, please be cautious about it as the following:
It is harmful if swallowed. And it is irritating to respiratory system and skin. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If you want to contact this product, you must wear suitable protective clothing and gloves.

People can use the following data to convert to the molecule structure.
1. SMILES: O=C2OC4(c1ccccc12)c5ccc(N(CC)CC)cc5Oc3cc(N(CC)CC)ccc34;
2. InChI: InChI=1/C28H30N2O3/c1-5-29(6-2)19-13-15-23-25(17-19)32-26-18-20(30(7-3)8-4)14-16-24(26)28(23)22-12-10-9-11-21(22)27(31)33-28/h9-18H,5-8H2,1-4H3.

Product Name

Solvent Red 49

Synthetic route

Solvent Red 49 Specification

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