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Sulforhodamine G *CAS 5873-16-5*

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Physical properties
Molecular weight552.59
Spectral properties
Absorbance (nm)525
Excitation (nm)531
Emission (nm)552
Storage, safety and handling
H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22
StorageFreeze (< -15 °C); Minimize light exposure
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Phalloidin-Tetramethylrhodamine Conjugate
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6-dR6G [6-Carboxy-4,7-dichlororhodamine 6G]
5-dR110 [5-Carboxy-4,7-dichlororhodamine 110]
6-dR110 [6-Carboxy-4,7-dichlororhodamine 110]
Bis-L-Aspartic acid Beta-rhodamine 110
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5-Carboxyrhodamine 6G maleimide
Rhodamine aldehyde [5-TAMRA aldehyde]
Show More (45)


Molecular weight
Absorbance (nm)
Excitation (nm)
Emission (nm)
Sulforhodamine G is used as a polar tracer as sulforhodamine B. Compared to rhodamine B it is more fluorescent. It does not exhibit pH-dependent absorption or fluorescence over the range of 3 to 10.


Common stock solution preparation

Table 1. Volume of Water needed to reconstitute specific mass of Sulforhodamine G *CAS 5873-16-5* to given concentration. Note that volume is only for preparing stock solution. Refer to sample experimental protocol for appropriate experimental/physiological buffers.

0.1 mg0.5 mg1 mg5 mg10 mg
1 mM180.966 µL904.83 µL1.81 mL9.048 mL18.097 mL
5 mM36.193 µL180.966 µL361.932 µL1.81 mL3.619 mL
10 mM18.097 µL90.483 µL180.966 µL904.83 µL1.81 mL

Molarity calculator

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Spectral properties

Absorbance (nm)525
Excitation (nm)531
Emission (nm)552

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View all 1 citations: Citation Explorer
Flow characterization and mixing performance of weakly-shear-thinning fluid flows in a microfluidic oscillator
Authors: Sun, Chen-li and Lin, Yu Jen and Rau, Chia-I and Chiu, Shao-Yu
Journal: Journal of Non-Newtonian Fluid Mechanics (2016)


View all 26 references: Citation Explorer
Interfacial behavior of sulforhodamine 101 at the polarized water/1,2-dichloroethane interface studied by spectroelectrochemical techniques
Authors: Nagatani H, Suzuki S, Fermin DJ, Girault HH, Nakatani K.
Journal: Anal Bioanal Chem (2006): 633
Sulforhodamine B assay and chemosensitivity
Authors: Voigt W., undefined
Journal: Methods Mol Med (2005): 39
Sulforhodamine 101 as a specific marker of astroglia in the neocortex in vivo
Authors: Nimmerjahn A, Kirchhoff F, Kerr JN, Helmchen F.
Journal: Nat Methods (2004): 31
Comparison of the sulforhodamine B assay and the clonogenic assay for in vitro chemoradiation studies
Authors: Pauwels B, Korst AE, de Pooter CM, Pattyn GG, Lambrechts HA, Baay MF, Lardon F, Vermorken JB.
Journal: Cancer Chemother Pharmacol (2003): 221
Formation and identification of intermediates in the visible-light-assisted photodegradation of sulforhodamine-B dye in aqueous TiO2 dispersion
Authors: Chen C, Zhao W, Li J, Zhao J, Hidaka H, Serpone N.
Journal: Environ Sci Technol (2002): 3604
Carbachol-induced fluid movement through methazolamide-sensitive bicarbonate production in rat parotid intralobular ducts: quantitative analysis of fluorescence images using fluorescent dye sulforhodamine under a confocal laser scanning microscope
Authors: Nakamoto T, Shiba Y, Hirono C, Sugita M, Takemoto K, Iwasa Y, Akagawa Y.
Journal: Eur J Cell Biol (2002): 497
Forskolin-induced clearance of the fluorescent dye sulforhodamine from rat parotid intralobular duct lumen: visualization of the secretory function under a confocal laser scanning microscope
Authors: Nakamoto T, Hirono C, Sugita M, Takemoto K, Iwasa Y, Akagawa Y, Shiba Y.
Journal: J Membr Biol (2002): 189
Chemistry of sulforhodamine--amine conjugates
Authors: Corrie JE, Davis CT, Eccleston JF.
Journal: Bioconjug Chem (2001): 186
Diffuse distribution of sulforhodamine-labeled neurons during serotonin-evoked locomotion in the neonatal rat thoracolumbar spinal cord
Authors: Cina C, Hochman S.
Journal: J Comp Neurol (2000): 590
Evaluation of boron neutron capture effects in cell culture using sulforhodamine-B assay and a colony assay
Authors: Wittig A, Sauerwein W, Poller F, Fuhrmann C, Hideghety K, Streffer C.
Journal: Int J Radiat Biol (1998): 679