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Rhodamine B base - Dye content 97 %, high purity , CAS No.509-34-2

Dye content 97 %

CAS#: 509-34-2
Formula: C₂₈H₃₀N₂O₃
Molecular Weight: 442.55
EC Number: 208-096-8
PubChem CID: 62357

Item Number

R334821

Grouped product items
SKU	Size	Availability	Price
R334821-10g	10g	Available within 4-8 weeks(?) Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!	$20.90
R334821-50g	50g	In stock	$94.90
R334821-250g	250g	Available within 4-8 weeks(?) Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!	$423.90

a fluorescent biological staining dye

Basic Description

Synonyms	9-(2-CARBOXYPHENYL)-3,6-BIS(DIETHYLAMINO)-9-HYDROXY-9H-XANTHENELACTONE \| Q27282328 \| Tox21_303794 \| 3,6-BIS(DIETHYLAMINO)SPIRO(9H-XANTHENE-9,1'(3'H)-ISOBENZOFURAN)-3'-ONE \| NSC43944 \| NSC-43944 \| W-109545 \| 3',6'-bis(Diethylamino)spiro[isobenzofuran-1(3H)
Specifications & Purity	Dye content 97 %
Biochemical and Physiological Mechanisms	Rhodamine B alkaline has been used as an experimental marker to determine the mating of B. thuringiensis-resistant females with B. thuringiensis-resistant and B. thuringiensis-susceptible males in an alternating order.
Storage Temp	Room temperature
Shipped In	Normal
Product Description	Rhodamine B base is used as a biological staining dye. Rhodamine B base is also used as a laser dye, tunable around 610 nm with the fluorescence yield being temperature dependent.

Names and Identifiers

IUPAC Name	3',6'-bis(diethylamino)spiro[2-benzofuran-3,9'-xanthene]-1-one
INCHI	InChI=1S/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
InChi Key	DZNJMLVCIZGWSC-UHFFFAOYSA-N
Canonical SMILES	CCN(CC)C1=CC2=C(C=C1)C3(C4=C(O2)C=C(C=C4)N(CC)CC)C5=CC=CC=C5C(=O)O3
Isomeric SMILES	CCN(CC)C1=CC2=C(C=C1)C3(C4=C(O2)C=C(C=C4)N(CC)CC)C5=CC=CC=C5C(=O)O3
WGK Germany	3
PubChem CID	62357
Molecular Weight	442.55

Certificates

Certificate of Analysis(COA)

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6 results found

Lot Number	Certificate Type	Date	Item
D23261149	Certificate of Analysis	Jul 11, 2022	R334821
I2205238	Certificate of Analysis	Jul 11, 2022	R334821
I2205239	Certificate of Analysis	Jul 11, 2022	R334821
I2205367	Certificate of Analysis	Jul 11, 2022	R334821
I2205368	Certificate of Analysis	Jul 11, 2022	R334821
L2326083	Certificate of Analysis	Jul 11, 2022	R334821

Solubility

Soluble in ethanol (1 mg/ml), methanol, chloroform, and DMF. Insoluble in water.

Refractive Index

n20D1.65 (Predicted)

Boil Point(°C)

637.16° C at 760 mmHg (Predicted)

Melt Point(°C)

248.14° C (Predicted)

Safety and Hazards(GHS)

Pictogram(s)	GHS09, GHS05, GHS07
Signal	Danger
Hazard Statements	H315:Causes skin irritation H319:Causes serious eye irritation H335:May cause respiratory irritation H411:Toxic to aquatic life with long lasting effects H302:Harmful if swallowed H318:Causes serious eye damage
Precautionary Statements	P261:Avoid breathing dust/fume/gas/mist/vapors/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do - continue rinsing. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of water. P321:Specific treatment (see ... on this label). P405:Store locked up. P501:Dispose of contents/container to ... P264:Wash hands [and …] thoroughly after handling. P271:Use only outdoors or in a well-ventilated area. P270:Do not eat, drink or smoke when using this product. P304+P340:IF INHALED: Remove person to fresh air and keep comfortable for breathing. P403+P233:Store in a well-ventilated place. Keep container tightly closed. P362+P364:Take off contaminated clothing and wash it before reuse. P391:Collect spillage. P330:Rinse mouth. P264+P265:Wash hands [and …] thoroughly after handling. Do not touch eyes. P301+P317:IF SWALLOWED: Get medical help. P305+P354+P338:IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. P317:Get emergency medical help. P337+P317:If eye irritation persists: Get medical help. P332+P317:If skin irritation occurs: Get medical help. P319:Get medical help if you feel unwell.
WGK Germany	3

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Rhodamine B base - Dye content 97 %, high purity , CAS No.509-34-2

Basic Description

Names and Identifiers

Certificates

Certificate of Analysis(COA)

Chemical and Physical Properties

Safety and Hazards(GHS)

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