ChemicalBook > CAS DataBase List > Rhodamine B

Rhodamine B

Product Name
Rhodamine B
CAS No.
81-88-9
Chemical Name
Rhodamine B
Synonyms
RHODAMINE;BASIC VIOLET 10;RHODAMIN B;Rhodamine B, ≥99.0%(HPLC);[9-(O-CARBOXYPHENYL)-6-(DIETHYLAMINO)-3H-XANTHEN-3-YLIDENE] DIETHYL-AMMONIUM CHLORIDE;Basic Rhodamine;Rhodamine B Extra;RHODAMINE B CHLORIDE;2-[6-(DIETHYLAMINO)-3-(DIETHYLIMINO)-3H-XANTHEN-9-YL]BENZOIC ACID;Ammonium, [9-(o-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]diethyl-, chloride
CBNumber
CB7485569
Molecular Formula
C28H31ClN2O3
Formula Weight
479.01
MOL File
81-88-9.mol
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Rhodamine B Property

Melting point:
210-211 (dec.)(lit.)
Density 
0.79 g/mL at 20 °C
bulk density
250kg/m3
refractive index 
1.6500 (estimate)
Flash point:
12 °C
storage temp. 
room temp
solubility 
H2O: soluble1mg/mL
form 
Solid
Colour Index 
45170
color 
Green
PH
3-4 (10g/l, H2O, 20℃)
Water Solubility 
SOLUBLE
ε(extinction coefficient)
104500-115800 at 542-554nm in methanol
Merck 
14,8183
BRN 
4119648
Stability:
Stable. Incompatible with strong oxidizing agents.
LogP
1.9-2
CAS DataBase Reference
81-88-9(CAS DataBase Reference)
NIST Chemistry Reference
Rhodamine b(81-88-9)
IARC
3 (Vol. 16, Sup 7) 1987
EPA Substance Registry System
Rhodamine B (81-88-9)
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Safety

Hazard Codes 
Xn,Xi,F
Risk Statements 
22-41-68-67-36-11-40-20/21/22-52/53
Safety Statements 
7-16-24/25-26-36/37/39-39-36-22
WGK Germany 
3
RTECS 
BP3675000
TSCA 
Yes
HS Code 
32041300
Hazardous Substances Data
81-88-9(Hazardous Substances Data)
Toxicity
LD50 i.v. in rats: 89.5 mg/kg (Webb)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H319Causes serious eye irritation

H336May cause drowsiness or dizziness

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
02558
Product name
Rhodamine B solution
Purity
0.2% in isopropanol, for TLC derivatization
Packaging
100ml
Price
$48.7
Updated
2024/03/01
Sigma-Aldrich
Product number
02558
Product name
Rhodamine B solution
Purity
0.2% in isopropanol, for TLC derivatization
Packaging
500ml
Price
$176
Updated
2024/03/01
Sigma-Aldrich
Product number
1.07599
Product name
Rhodamine B (C.I.45170)
Purity
for microscopy
Packaging
25g
Price
$63.7
Updated
2023/01/07
TCI Chemical
Product number
A5102
Product name
Rhodamine B [Ion association reagent for photometric and fluorimetric analysis]
Purity
>98.0%(T)
Packaging
1g
Price
$51
Updated
2024/03/01
TCI Chemical
Product number
R0040
Product name
Rhodamine B
Purity
>95.0%(HPLC)
Packaging
25g
Price
$36
Updated
2024/03/01
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Rhodamine B Chemical Properties,Usage,Production

Description

C.I. Food red 15 is a green crystalline or redviolet powdered solid. Molecular weight =479.1. HazardIdentification (based on NFPA-704 M Rating System):Health 1, Flammability 1, Reactivity 0. Highly soluble inwater.

Chemical Properties

red/brown or green crystals

Chemical Properties

C.I. Food red 15 is a green crystalline or redviolet powdered solid

Uses

A useful fluorochrome for histology, FRET and mitochondrial probe.

Uses

As a dye, especially for paper; as a reagent for antimony, bismuth, cobalt, niobium, gold, manganese, mercury, molybdenum, tantalum, thallium, tungsten; as biological stain. Provisionally listed for use in drugs and cosmetics.

Uses

Rhodamine B is used in biological studies for an anti-reactive oxygen species/hepatic fibrosis drug delivery system based on salvianolic acid B loaded mesoporous silica nanoparticles. Dyes and metabolites, Environmental Testing.

Definition

ChEBI: An organic chloride salt having N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethylethanaminium as the counterion. An amphoteric dye commonly used as a fluorochrome.

General Description

Green crystals or reddish-violet powder. Used as a dye, especially for paper, as a metal chelating reagent, and in drugs and cosmetics.

Air & Water Reactions

Very soluble in water. Solution is bluish-red. Dilute solutions are strongly fluorescent.

Reactivity Profile

Acidic organic/inorganic salts, such as Rhodamine B, are generally soluble in water. The resulting solutions contain moderate concentrations of hydrogen ions and have pH's of less than 7.0. They react as acids to neutralize bases. These neutralizations generate heat, but less or far less than is generated by neutralization of inorganic acids, inorganic oxoacids, and carboxylic acid. They usually do not react as either oxidizing agents or reducing agents but such behavior is not impossible. Many of these compounds catalyze organic reactions.

Hazard

Questionable carcinogen.

Potential Exposure

It is used as a color additive in drugs, foods, cosmetics, and fabric dyes. It is also used as a tracing agent in water pollution studies. May be used as an agricultural chemical

First aid

If this chemical gets into the eyes, remove anycontact lenses at once and irrigate immediately for at least15 min, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts theskin, remove contaminated clothing and wash immediatelywith soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure,begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR ifheart action has stopped. Transfer promptly to a medicalfacility. When this chemical has been swallowed, get medical attention. Give large quantities of water and inducevomiting. Do not make an unconscious person vomit.

storage

Color Code—Blue: Health Hazard/Poison: Storein a secure poison location. Prior to working with C.I. Foodred 15 you should be trained on its proper handling andstorage. Store in tightly closed containers in a cool, wellventilated area away from oxidizers and reducing agents.Where possible, automatically pump liquid from drums orother storage containers to process containers.

Shipping

UN3143 Dyes, solid, toxic, n.o.s. or Dye intermediates, solid, toxic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required.

Properties and Applications

TEST ITEMS

SPECIFICATION

APPEARANCE

GREEN GLITTERY CRYSTAL

SHADE (COMPARE TO STANDARD)

CLOSE

WATER SOLUBILITY (60°C)

8 g/L min

WATER INSOLUBLE

0.5% max

TINTING STRENGTH

500-505 %

Purification Methods

Major impurities are partially dealkylated compounds not removed by recrystallisation.Purify the dye by chromatography, using ethyl acetate/isopropanol/ammonia (conc)(9:7:4, RF 0.75 on Kieselgel G). It has also been crystallised from a concentrated solution in MeOH by slow addition of dry diethyl ether; or from EtOH containing a drop of conc HCl by slow addition of ten volumes of dry diethyl ether. The solid is washed with ether and air dried. The dried material has also been extracted with *benzene to remove oil-soluble material prior to recrystallisation. Store it in the dark. [Beilstein 18 II 486, 18 III/IV 8246, 19/8 V 669.]

Incompatibilities

Dust may form explosive mixture with air. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, strong reducing agents

Rhodamine B Preparation Products And Raw materials

Raw materials

Sulfonated castor oil 3-Diethylaminophenol Phthalic anhydride Yellow dextrin

Preparation Products

Light fast ballpoint pen red Fast Pink lake Spirit Light Fast Fire Red B
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View Lastest Price from Rhodamine B manufacturers

HebeiShuoshengImportandExportco.,Ltd
Product
Rhodamine B 81-88-9
Price
US $6.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
2000KG/Month
Release date
2024-08-05
WUHAN FORTUNA CHEMICAL CO., LTD
Product
Rhodamine B 81-88-9
Price
US $0.00/KG
Min. Order
1KG
Purity
98%min
Supply Ability
30tons/month
Release date
2023-01-31
Hebei Longbang Technology Co., Ltd
Product
Rhodamine B 81-88-9
Price
US $6.00/kg
Min. Order
1kg
Purity
More than 99%
Supply Ability
2000KG/Month
Release date
2024-05-27

81-88-9, Rhodamine BRelated Search:

Mepiquat chloride Ammonium chloride Benzyl chloride Crystal Violet ETHYL VIOLET Polyvinyl chloride RHODAMINE 110 Alkaline Phosphatase Basic Violet 1 Sodium chloride Choline chloride Calcium chloride Rhodamine 6G Rhodamine 123 Rhodamine 700 Rhodamine 101 inner salt, pure, 99% 9-Cyano-2,3,6,7,12,13,16,17-octahydro-1H,5H,11H,15H-xantheno[2,3,4-ij:5,6,7-i'j']diquinolizin-18-ium perchlorate Methylene Chloride Rhodamine

  • Rhodamine B, ≥99.0%(HPLC)
  • RHODAMINE BRHODAMINE BRHODAMINE B
  • 9-(2-carboxyphenyl)-3,6-bis(diethylamino)xanthylium chloride
  • [9-(O-CARBOXYPHENYL)-6-(DIETHYLAMINO)-3H-XANTHEN-3-YLIDENE] DIETHYL-AMMONIUM CHLORIDE
  • (9-(O-CARBOXYPHENYL)-6-(DIETHYL-AMINO)-3H-XANTHENE-3-YLIDENE)DIETHYL AMMONIUM CHLORIDE
  • ACID RHODAMINE B
  • LABOTEST-BB LT00772274
  • BRILLIANT RHODAMINE B
  • BRILLIANT PINK
  • BRILLIANT PINK B
  • BASIC VIOLET 10
  • CI NO 5170
  • CI NO 45170
  • CI 45170
  • 2-[6-(DIETHYLAMINO)-3-(DIETHYLIMINO)-3H-XANTHEN-9-YL]BENZOIC ACID
  • Basic Rhodamine
  • RhodamineBC28H31ClN2O3
  • RhodamineBGrForMicroscopy
  • RHODAMINE BC.I. No 45170
  • BASIC VIOLET 10 (RHODAMINE B, CI 45170)
  • Rhodamine B, laser grade, pure, 99+%
  • Rhodamine B, pure
  • Rhodamine B, pure, 99+%
  • Basic Rhodamine B
  • RHODAMINEBASE
  • Tetraethylhodamine
  • Food Red 15: (FD&C Red No. 19)
  • Basic Violet 10, Brilliant Pink B, Rhodamine O, Tetraethylrhodamine
  • Aizen Rhodamine B
  • Basovict Rhodamine B
  • Pidibase Rhodamine B
  • Ravi Rhodamine B
  • Simbase Rhodamine B.
  • aizenrhodaminebhc
  • Akiriku Rhodamine B
  • akirikurhodamineb
  • Ammonium, [9-(o-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]diethyl-, chloride
  • Basicrosered
  • C.1.BasicViolet10(45170)
  • C.I. 749
  • C.I. Food Red 15
  • c.i.749
  • c.i.foodred15
  • Calcozine Red BX
  • Calcozine Rhodamine BL
  • Calcozine Rhodamine BXP
  • calcozineredbx
  • calcozinerhodaminebxp
  • Cerise Toner X1127
  • cerisetonerx1127
  • Certiqual Rhodamine
  • certiqualrhodamine
  • ci749
  • cifoodred15
  • Cogilor Red 321.10
  • cogilorred321.10
  • Cosmetic Brilliant Pink Bluish D conc
  • cosmeticbrilliantpinkbluishdconc