Rhodamine B supplier | CasNO.81-88-9

Name
Rhodamine B
EINECS 201-383-9
CAS No. 81-88-9
Article Data19
CAS DataBase
Density 0.79 g/mL at 20 °C
Solubility soluble in water
Melting Point 210-211 (dec.)(lit.)
Formula C₂₈H₃₁N₂O₃^.Cl
Boiling Point
Molecular Weight 479.019
Flash Point 12°C
Transport Information UN 1219 3/PG 2
Appearance red/brown or green crystals
Safety 7-16-24/25-26-36/37/39-39-36-22
Risk Codes 22-41-68-67-36-11-40-20/21/22
Molecular Structure
Hazard Symbols Xn,Xi,F
Synonyms Rhodamine BXL;Rhodamine BXP;Rhodamine Lake Red B;Rhodamine O;Rhodamine S (Russian);Rhodamine, tetraethyl-;Sicilian Cerise Toner A 7127;Sumiplast Pink B;Symulex Magenta F;Symulex Rhodamine B Toner F;TakaokaRhodamine B;Calcozine Rhodamine BXP;Cerise Toner X1127;Chromatint Rhodamine B;D and C Red No. 19;C RedNo. 19;Diabasic Rhodamine B;Eriosin Rhodamine B;FD And C Red No. 19;Flexo Red 540;Hexacol Rhodamine BExtra;Ikada Rhodamine B;Japan Red No. 213;OP 312;Red No. 213;Rhodamine B;Rhodamine B Extra;Rhodamine B Extra M 310;Rhodamine BA;Rhodamine BAExport;11411 Red;ADC Rhodamine B;AizenRhodamine BH;Akiriku Rhodamine B;BasicRose Extract;Basonyl Red 540;Basonyl Red 545FL;C.I. Basic Violet 10;Calcozine Red BX;
PSA 56.69000
LogP 2.56500

Synthetic route

: C34H34N5O2(1+)*Cl(1-)

A: 95-14-7
1,2,3-Benzotriazole

B: 81-88-9
rhodamine B

Conditions

Conditions	Yield
With water In acetonitrile at 20℃; for 1h;

: 1167601-09-3
3',6'-bis(diethylamino)-2-(2-hydroxyethylamino)spiro[iso-indoline-1,9'-xanthen]-3-one

: 81-88-9
rhodamine B

Conditions

Conditions	Yield
With Cu+

: 760154-10-7
rhodamine B hydrazide

: 81-88-9
rhodamine B

Conditions

Conditions	Yield
With mercury (II) perchlorate trihydrate; water In ethanol at 20℃; pH=7.0;

: 74317-53-6
rhodamine B hydrazide

: 81-88-9
rhodamine B

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: methanol / 12 h / 65 °C / Inert atmosphere 2: mercury (II) perchlorate trihydrate / ethanol; water / 20 °C / pH 7.0 3: water; mercury (II) perchlorate trihydrate / ethanol / 20 °C / pH 7.0 View Scheme
Multi-step reaction with 2 steps 1: ethanol / 6 h / Reflux 2: mercuric(II) nitrate monohydrate / ethanol / 0.08 h View Scheme

: 4344-42-7
rhodamine B

: 81-88-9
rhodamine B

Conditions

Conditions	Yield
With trichlorophosphate In 1,2-dichloro-ethane for 2h; Reflux;

: 1374146-64-1
C39H39N5O4

A: 5326-89-6
quinolin-8-yloxy-acetic acid

B: 81-88-9
rhodamine B

Conditions

Conditions	Yield
With water; hypochlorite In acetonitrile at 25℃;

: C39H38N4O2

: 81-88-9
rhodamine B

Conditions

Conditions	Yield
With mercuric(II) nitrate monohydrate In ethanol for 0.0833333h; Mechanism;

: 85-44-9
phthalic anhydride

: 91-68-9
3-diethylaminophenol

: 81-88-9
rhodamine B

Conditions

Conditions	Yield
Stage #1: phthalic anhydride; 3-diethylaminophenol In 1,2-dichloro-benzene at 175℃; for 13h; Stage #2: With water; sodium hydroxide at 25℃; for 0.5h; Stage #3: With hydrogenchloride; sodium chloride In water at 80℃; for 1h;	35 g
With sulfuric acid at 150℃; for 2h;

: C36H39N5O4

: 81-88-9
rhodamine B

Conditions

Conditions	Yield
With copper(II) ion In water; acetonitrile Reagent/catalyst;

: 509-34-2
rhodamine B

: 81-88-9
rhodamine B

Conditions

Conditions	Yield
With trichlorophosphate In 1,2-dichloro-ethane for 3h; Reflux;

: 74317-53-6
rhodamine B hydrazide

A: 188944-67-4
N-(Rhodamine-B) lactam-hydrazine

B: 81-88-9
rhodamine B

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1.1: ethanol / 12 h / Reflux 2.1: potassium carbonate; potassium iodide / acetonitrile / 0.5 h 2.2: 8 h / Reflux 3.1: gold(III) chloride; water / acetonitrile / pH 7.4 View Scheme

: C45H40N6O7

A: 188944-67-4
N-(Rhodamine-B) lactam-hydrazine

B: 81-88-9
rhodamine B

Conditions

Conditions	Yield
With gold(III) chloride; water In acetonitrile pH=7.4;

: C35H38N5O3(1+)

: 81-88-9
rhodamine B

Conditions

Conditions	Yield
With hypochlorite

: 1517-05-1
2-azidoethanol

: 81-88-9
rhodamine B

: 1033001-11-4
N-(9-(2-((2-azidoethoxy)carbonyl)phenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-ethylethaniminium chloride

Conditions

Conditions	Yield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride at 20℃; for 4h; Inert atmosphere; Darkness;	100%
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 24h;	61%
Stage #1: 2-azidoethanol; rhodamine B With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 4h; Inert atmosphere; Darkness; Stage #2: With hydrogenchloride In dichloromethane; water	60%

: 81-88-9
rhodamine B

: 2797-28-6
lithium tetrakis(pentafluorophenyl)borate

: C28H31N2O3(1+)*C24BF20(1-)

Conditions

Conditions	Yield
In dichloromethane at 25℃; for 1h;	100%
With water In dichloromethane at 20℃; for 0.5h;	94%

: 81-88-9
rhodamine B

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

Conditions

Conditions	Yield
With thionyl chloride at 20℃; Inert atmosphere;	99%
With oxalyl dichloride In dichloromethane; N,N-dimethyl-formamide at 0 - 20℃;	99%
With oxalyl dichloride In dichloromethane; N,N-dimethyl-formamide at 0 - 20℃; for 2h;	98%

: 81-88-9
rhodamine B

: 107-15-3
ethylenediamine

: 950846-89-6
rhodamine B ethylenediamine

Conditions

Conditions	Yield
In ethanol for 16h; Reflux;	99%
In ethanol for 12h; Reflux;	95%
In ethanol for 12h; Reflux; Inert atmosphere; Schlenk technique;	95%

: 5779-74-8
3,4,5-trimethylbenzaldehyde

: 81-88-9
rhodamine B

: 3',6'-bis (diethylamino)-2-((3, 4, 5-trimethylbenzylidene)amino)spiro[isoindoline-1,9'-xanthen]-3-one

Conditions

Conditions	Yield
With hydrazine hydrate In ethanol; water for 0.333333h; Sonication;	99%

: 81-88-9
rhodamine B

: 74317-53-6
rhodamine B hydrazide

Conditions

Conditions	Yield
With hydrazine hydrate In ethanol for 3h; Reflux;	97%
With hydrazine hydrate In ethanol for 12h; Reflux;	95%
With hydrazine hydrate In ethanol for 12h; Reflux;	95%

: 929-59-9
3,6-dioxa-1,8-diaminooctane

: 81-88-9
rhodamine B

: C34H44N4O4

Conditions

Conditions	Yield
at 60℃; for 96h;	95.5%

: 81-88-9
rhodamine B

: 112-24-3
triethylentetramine

: 1313741-42-2
N-(rhodamine B)lactam-triethylenetetramine

Conditions

Conditions	Yield
In ethanol at 80℃; Inert atmosphere;	95%
at 80℃; Inert atmosphere;	95%
In ethanol for 15h; Reflux;	76%

: Na(1+)*C12H7F9NO7S3(1-)

: 81-88-9
rhodamine B

: C28H31N2O3(1+)*C12H7F9NO7S3(1-)

Conditions

Conditions	Yield
In water; ethyl acetate	95%

: 81-88-9
rhodamine B

: 111-40-0
1,5-diamino-3-azapentane

: C32H43N5O2

Conditions

Conditions	Yield
In ethanol for 3h; Reflux;	94.8%

: 81-88-9
rhodamine B

: 111-40-0
1,5-diamino-3-azapentane

: 1005459-81-3
N-(rhodamine B)lactam-diethylenetriamine

Conditions

Conditions	Yield
In methanol for 13h; Reflux;	94.6%
In ethanol at 80℃; Inert atmosphere;	91%
In ethanol for 24h; Reflux;	91%

: 556-56-9
allyl iodid

: 81-88-9
rhodamine B

: 850145-09-4
(9-(2-((allyloxy)carbonyl)phenyl)-6-(diethylamino)-3-xanthenylidene)diethylammonium chloride

Conditions

Conditions	Yield
With caesium carbonate In N,N-dimethyl-formamide at 60℃; for 24h; Inert atmosphere;	94.6%
With caesium carbonate In N,N-dimethyl-formamide at 60℃; for 24h;	88.8%

: 166388-57-4
2-[2-(2-azidoethoxy)ethoxy]ethanamine

: 81-88-9
rhodamine B

: [9-(2-{2-[2-(2-azido-ethoxy)-ethoxy]-ethylcarbamoyl}-phenyl)-6-diethylamino-xanthen-3-ylidene]-diethyl-ammonium; chloride

Conditions

Conditions	Yield
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; dmap In dichloromethane at 20℃;	94%

: 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

: 769-92-6
4-tert-Butylaniline

: 81-88-9
rhodamine B

: 1514929-48-6
C38H43N3O2

Conditions

Conditions	Yield
With trichlorophosphate In 1,2-dichloro-ethane at 0 - 85℃; for 5.25h; Inert atmosphere;	94%

: 81-88-9
rhodamine B

: 111-41-1
2-(2-Aminoethylamino)ethanol

: C32H40N4O3

Conditions

Conditions	Yield
at 200℃; for 2h; Inert atmosphere;	94%

: 81-88-9
rhodamine B

: 139332-66-4
4-nitro-7-(piperazin-1-yl)benzo[c][1,2,5]oxadiazole

: C38H40N7O5(1+)

Conditions

Conditions	Yield
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 at 20℃;	94%

: 871-76-1
2,2-diaminoethylthioether

: 81-88-9
rhodamine B

: C32H40N4O2S

Conditions

Conditions	Yield
With N-ethyl-N,N-diisopropylamine In methanol at 50℃; for 18h; Solvent; Temperature;	93.88%
With triethylamine In dichloromethane for 24h; Inert atmosphere; Reflux;	44.5%

: 81-88-9
rhodamine B

: 7803-57-8
hydrazine hydrate

: 74317-53-6
rhodamine B hydrazide

Conditions

Conditions	Yield
In ethanol Reflux;	93.6%
In ethanol for 2h; Reflux;	62.8%
In methanol Reflux;
In ethanol for 3h; Reflux;
In ethanol for 3h; Reflux;

: 81-88-9
rhodamine B

: 86520-52-7
2-[2-(2-azidoethoxy)ethoxy]ethanol

: 4-(dimethylamino)pyridinium tosylate

: C34H42N5O5(1+)*C7H7O3S(1-)

Conditions

Conditions	Yield
With dicyclohexyl-carbodiimide In dichloromethane at 23℃; for 12h;	93%

...Expand

: 81-88-9
rhodamine B

: 873-74-5
4-Aminobenzonitrile

: 1514929-49-7
C35H34N4O2

Conditions

Conditions	Yield
With trichlorophosphate In 1,2-dichloro-ethane at 0 - 85℃; for 5.25h; Inert atmosphere;	92%

: 81-88-9
rhodamine B

: 77-86-1
2-amino-2-hydroxymethyl-1,3-propanediol

: C32H39N3O5

Conditions

Conditions	Yield
With benzotriazol-1-ol; N-ethyl-N,N-diisopropylamine; 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide at 80℃; for 18h;	92%

: 81-88-9
rhodamine B

: 57260-71-6
1-t-Butoxycarbonylpiperazine

: 1362851-21-5
rhodamine-N-piperazine-N-Boc

Conditions

Conditions	Yield
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In dichloromethane at 20℃; for 2h;	91.2%
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 20℃;	80%
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 20℃;	80%

: 134469-06-0
thiazolidine-2-thione

: 81-88-9
rhodamine B

: C31H34N3O2S2(1+)*Cl(1-)

Conditions

Conditions	Yield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 24h;	91%

: 868-77-9
2-methyl-2-propenoic acid 2-hydroxyethyl ester

: 81-88-9
rhodamine B

: 141098-60-4
RhBEMA

Conditions

Conditions	Yield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 16.5h;	91%
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 16h;	91%
Stage #1: 2-methyl-2-propenoic acid 2-hydroxyethyl ester; rhodamine B With dmap; camphor-10-sulfonic acid In chloroform for 0.5h; Stage #2: With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In chloroform at 20℃; for 2h;	90%

: 54060-30-9
3-acetylenephenylamine

: 81-88-9
rhodamine B

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

Conditions

Conditions	Yield
With triethylamine; HATU In N,N-dimethyl-formamide at 20℃; for 16h;	91%

: 81-88-9
rhodamine B

: 112-57-2
N-(2-aminoethyl)-N'-{2-[(2-aminoethyl)amino]ethyl}ethane-1,2-diamine

: 1313741-43-3
N-(rhodamine B)lactam-tetraethylenepentamine

Conditions

Conditions	Yield
In ethanol at 80℃; for 12h; Solvent; Temperature;	90.8%
In ethanol at 80℃; Inert atmosphere;	87%
at 80℃; Inert atmosphere;	87%
In ethanol for 12h; Reflux;	72%

: 81-88-9
rhodamine B

: 112-57-2
N-(2-aminoethyl)-N'-{2-[(2-aminoethyl)amino]ethyl}ethane-1,2-diamine

: C36H53N7O2

Conditions

Conditions	Yield
In ethanol for 12h; Reflux;	90.8%

: 117940-18-8
Ir(P(C6H4CH3)3)2(CO)(acetone)SbF6

: 81-88-9
rhodamine B

: 117940-04-2
carbonylbis(tri-p-tolylphosphine)(rhodamine)iridium hexafluoroantimonate

Conditions

Conditions	Yield
In diethyl ether A suspension of (Ir(P(tol)3)2CO(acetone))(SbF6) in ether is treated with rhodamine followed by stirring for 5 h.; Filtration, recrystn. from dichloromethane.;	90%

Rhodamine B Chemical Properties

Molecular Structure:

Molecular Formula: C₂₈H₃₁ClN₂O₃
Molecular Weight: 479.0103
IUPAC: [9-(2-Carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium chloride
Synonyms of Rhodamine B (CAS NO.81-88-9): 9-(2-Carboxyphenyl)-3,6-bis(diethylamino)xanthylium chloride ; Ammonium, (9-(o-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)diethyl-, chloride ; C.I. Basic Violet 10 ; Ethanaminium, N-(9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-ethyl-, chloride (9CI) ; Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(diethylamino)-, chloride ; Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(diethylamino)-, chloride (1:1) ; C.I. Food Red 15 ; D&C Red No. 19
CAS NO: 81-88-9
Classification Code: Agricultural Chemical ; Experimental pesticide ; Mutation data ; Reproductive Effect ; Tumor data ; Unspecified / Unclassified pesticide
Melting point: 210-211 °C
Density: 0.79 g/mL at 20 °C
Flash Point: 12 °C
Storage temp: Store at RT.
Colour Index: 45170
Water Solubility: SOLUBLE
BRN: 4119648
Stability: Stable. Incompatible with strong oxidizing agents.

Rhodamine B Uses

Rhodamine B (CAS NO.81-88-9) is used as dye, esp for paper, as reagent for antimony, bismuth, cobalt, niobium, gold, manganese, mercury, molybdenum, tantalum, thallium, tungsten, as biological stain.

Rhodamine B Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Source
mouse	LD50	intraperitoneal	144mg/kg (144mg/kg)	"Recent Advances of Chemistry and Molecular Biology in Cancer Research, Insternational Symposium on Recent Advances of Chemistry and Molecular Biology in Cancer Research, Held in Beijing/China, July 23rd-26th, 1991" Dai Qianhuan, Margaret-Ann Armour and Zheng Qingying eds. Science Press Vol. -, Pg. 281, 1993.
mouse	LD50	oral	887mg/kg (887mg/kg)	Toxicological European Research. Vol. 1, Pg. 23, 1978.
mouse	LD50	subcutaneous	180mg/kg (180mg/kg)	Osaka-furitsu Koshu Eisei Kenkyusho Kenkyu Hokoku, Koshu Eisei Hen. Research Reports of the Oaka Prefectural Institute of Public Health, Public Health Section. Vol. (3), Pg. 185, 1953.
rat	LD50	intraperitoneal	112mg/kg (112mg/kg)	Toxicological European Research. Vol. 1, Pg. 23, 1978.
rat	LD50	intravenous	89mg/kg (89mg/kg)	Toxicology and Applied Pharmacology. Vol. 3, Pg. 696, 1961.
rat	LDLo	oral	500mg/kg (500mg/kg)	National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. Vol. 5, Pg. 8, 1953.

Rhodamine B Safety Profile

Hazard Codes of Rhodamine B (CAS NO.81-88-9): Harmful Xn,Xi, Flammable F
Risk Statements: 22-41-68-67-36-11
R22: Harmful if swallowed.
R41: Risk of serious damage to the eyes.
R68: Possible risk of irreversible effects.
R67: Vapours may cause drowsiness and dizziness.
R36: Irritating to eyes.
R11: Highly flammable.
Safety Statements: 7-16-24/25-26-36/37/39
S7: Keep container tightly closed.
S16: Keep away from sources of ignition.
S24/25: Avoid contact with skin and eyes.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
WGK Germany: 2

Rhodamine B Specification

Stability: Stable at room temperature in closed containers under normal storage and handling conditions.
Storage：Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances
Handling：Wash thoroughly after handling. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation. Wash clothing before reuse.
First Aid Measures:
Ingestion: If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.
Inhalation: Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Skin: Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Product Name

Rhodamine B

Synthetic route

Rhodamine B Chemical Properties

Rhodamine B Uses

Rhodamine B Toxicity Data With Reference

Rhodamine B Safety Profile

Rhodamine B Specification

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