5,5′-Dithiobis(2-nitrobenzoic acid)
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- $6 - $189481
- Product name: 5,5′-Dithiobis(2-nitrobenzoic acid)
- CAS: 69-78-3
- MF: C14H8N2O8S2
- MW: 396.35
- EINECS:200-714-4
- MDL Number:MFCD00007140
- Synonyms:ellmann's reagent;ELLMANS' REAGENT;BIS(3-CARBOXY-4-NITROPHENYL) DISULFIDE;3-CARBOXY-4-NITROPHENYL DISULFIDE;Ellmsn'sreagent;Bis(3-carboxy-4-nitrophenyl) disulphide~3-Carboxy-4-nitrophenyl disulphide~Ellmans;Ellmanns;5,5'-Dithobis(2-Nitrobenzoic Acid)
95 prices
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Brand
- A2B
- aablocks
- Adipogen Life Sciences
- AHH
- AK Scientific
- Ambeed
- ApexBio Technology
- Apolloscientific
- Atlantic Research Chemicals
- Biorbyt Ltd
- Biosynth
- Cayman Chemical
- Chem-Impex
- ChemScene
- Crysdot
- Frontier Specialty Chemicals
- Matrix Scientific
- Oakwood
- Sigma-Aldrich
- Soltec Ventures
- SynQuest Laboratories
- TCI Chemical
- Thermo Scientific Chemicals
- TRC
- Usbiological
Package
- 10μg
- 100ul
- 250mg
- 500mg
- 1g
- 5g
- 5gm
- 10g
- 25g
- 50g
- 50.00g
- 100g
- 250g
- 500g
- 1000g
- 1kg
- 50gm:
- 100dtn
- 250dtn
- ManufacturerA2B
- Product numberAI55018
- Product descriptionBenzoic acid, 3,3'-dithiobis[6-nitro- 95%
- Packaging1g
- Price$7
- Updated2026-05-25
- Buy
- ManufacturerA2B
- Product numberAI55018
- Product descriptionBenzoic acid, 3,3'-dithiobis[6-nitro- 95%
- Packaging5g
- Price$15
- Updated2026-05-25
- Buy
- ManufacturerA2B
- Product numberAI55018
- Product descriptionBenzoic acid, 3,3'-dithiobis[6-nitro- 95%
- Packaging10g
- Price$24
- Updated2026-05-25
- Buy
- ManufacturerA2B
- Product numberAI55018
- Product descriptionBenzoic acid, 3,3'-dithiobis[6-nitro- 95%
- Packaging25g
- Price$54
- Updated2026-05-25
- Buy
- ManufacturerA2B
- Product numberAI55018
- Product descriptionBenzoic acid, 3,3'-dithiobis[6-nitro- 95%
- Packaging100g
- Price$192
- Updated2026-05-25
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- ManufacturerA2B
- Product numberAI55018
- Product descriptionBenzoic acid, 3,3'-dithiobis[6-nitro- 95%
- Packaging500g
- Price$895
- Updated2026-05-25
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- Manufactureraablocks
- Product numberAA00IBTA
- Product descriptionBenzoic acid, 3,3'-dithiobis[6-nitro- 98%
- Packaging100g
- Price$214
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00IBTA
- Product descriptionBenzoic acid, 3,3'-dithiobis[6-nitro- 98%
- Packaging25g
- Price$64
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00IBTA
- Product descriptionBenzoic acid, 3,3'-dithiobis[6-nitro- 98%
- Packaging10g
- Price$28
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00IBTA
- Product descriptionBenzoic acid, 3,3'-dithiobis[6-nitro- 95%
- Packaging5g
- Price$18
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00IBTA
- Product descriptionBenzoic acid, 3,3'-dithiobis[6-nitro- 95%
- Packaging1g
- Price$8
- Updated2026-05-29
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- ManufacturerAdipogen Life Sciences
- Product numberCDX-D0156-G001
- Product descriptionDTNB ≥98%(Titration)
- Packaging1g
- Price$33
- Updated2026-05-06
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- ManufacturerAdipogen Life Sciences
- Product numberCDX-D0156-G025
- Product descriptionDTNB ≥98%(Titration)
- Packaging25g
- Price$165
- Updated2026-05-06
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- ManufacturerAdipogen Life Sciences
- Product numberCDX-D0156-G005
- Product descriptionDTNB ≥98%(Titration)
- Packaging5g
- Price$73
- Updated2026-05-06
- Buy
- ManufacturerAHH
- Product numberMT-11487
- Product description5,5'-Dithiobis(2-nitrobenzoic acid) 97%
- Packaging100g
- Price$420
- Updated2026-05-26
- Buy
- ManufacturerAK Scientific
- Product numberL786
- Product description5,5'-Dithiobis(2-nitrobenzoic acid) 98%(HPLC)
- Packaging100g
- Price$370
- Updated2026-06-04
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| A2B | AI55018 | Benzoic acid, 3,3'-dithiobis[6-nitro- 95% | 1g | $7 | 2026-05-25 | Buy |
| A2B | AI55018 | Benzoic acid, 3,3'-dithiobis[6-nitro- 95% | 5g | $15 | 2026-05-25 | Buy |
| A2B | AI55018 | Benzoic acid, 3,3'-dithiobis[6-nitro- 95% | 10g | $24 | 2026-05-25 | Buy |
| A2B | AI55018 | Benzoic acid, 3,3'-dithiobis[6-nitro- 95% | 25g | $54 | 2026-05-25 | Buy |
| A2B | AI55018 | Benzoic acid, 3,3'-dithiobis[6-nitro- 95% | 100g | $192 | 2026-05-25 | Buy |
| A2B | AI55018 | Benzoic acid, 3,3'-dithiobis[6-nitro- 95% | 500g | $895 | 2026-05-25 | Buy |
| aablocks | AA00IBTA | Benzoic acid, 3,3'-dithiobis[6-nitro- 98% | 100g | $214 | 2026-05-29 | Buy |
| aablocks | AA00IBTA | Benzoic acid, 3,3'-dithiobis[6-nitro- 98% | 25g | $64 | 2026-05-29 | Buy |
| aablocks | AA00IBTA | Benzoic acid, 3,3'-dithiobis[6-nitro- 98% | 10g | $28 | 2026-05-29 | Buy |
| aablocks | AA00IBTA | Benzoic acid, 3,3'-dithiobis[6-nitro- 95% | 5g | $18 | 2026-05-29 | Buy |
| aablocks | AA00IBTA | Benzoic acid, 3,3'-dithiobis[6-nitro- 95% | 1g | $8 | 2026-05-29 | Buy |
| Adipogen Life Sciences | CDX-D0156-G001 | DTNB ≥98%(Titration) | 1g | $33 | 2026-05-06 | Buy |
| Adipogen Life Sciences | CDX-D0156-G025 | DTNB ≥98%(Titration) | 25g | $165 | 2026-05-06 | Buy |
| Adipogen Life Sciences | CDX-D0156-G005 | DTNB ≥98%(Titration) | 5g | $73 | 2026-05-06 | Buy |
| AHH | MT-11487 | 5,5'-Dithiobis(2-nitrobenzoic acid) 97% | 100g | $420 | 2026-05-26 | Buy |
| AK Scientific | L786 | 5,5'-Dithiobis(2-nitrobenzoic acid) 98%(HPLC) | 100g | $370 | 2026-06-04 | Buy |
Properties
Melting point :240-245 °C (dec.)(lit.)
Boiling point :671.9±55.0 °C(Predicted)
bulk density :290kg/m3
Density :1.67
refractive index :1.6900 (estimate)
storage temp. :Keep in dark place,Sealed in dry,Room Temperature
solubility :ethanol: 8mg/mL
pka :1.57±0.25(Predicted)
form :Yellow solid
color :Pale Yellow to Light Yellow
Water Solubility :Soluble in water and ethanol.
Merck :14,3551
BRN :1896821
Stability :Stable. Incompatible with strong bases, strong oxidizing agents.
InChI :1S/C14H8N2O8S2/c17-13(18)9-5-7(1-3-11(9)15(21)22)25-26-8-2-4-12(16(23)24)10(6-8)14(19)20/h1-6H,(H,17,18)(H,19,20)
InChIKey :KIUMMUBSPKGMOY-UHFFFAOYSA-N
SMILES :OC(=O)c1cc(SSc2ccc(c(c2)C(O)=O)[N+]([O-])=O)ccc1[N+]([O-])=O
CAS DataBase Reference :69-78-3(CAS DataBase Reference)
EPA Substance Registry System :Benzoic acid, 3,3'-dithiobis[6-nitro- (69-78-3)
Boiling point :671.9±55.0 °C(Predicted)
bulk density :290kg/m3
Density :1.67
refractive index :1.6900 (estimate)
storage temp. :Keep in dark place,Sealed in dry,Room Temperature
solubility :ethanol: 8mg/mL
pka :1.57±0.25(Predicted)
form :Yellow solid
color :Pale Yellow to Light Yellow
Water Solubility :Soluble in water and ethanol.
Merck :14,3551
BRN :1896821
Stability :Stable. Incompatible with strong bases, strong oxidizing agents.
InChI :1S/C14H8N2O8S2/c17-13(18)9-5-7(1-3-11(9)15(21)22)25-26-8-2-4-12(16(23)24)10(6-8)14(19)20/h1-6H,(H,17,18)(H,19,20)
InChIKey :KIUMMUBSPKGMOY-UHFFFAOYSA-N
SMILES :OC(=O)c1cc(SSc2ccc(c(c2)C(O)=O)[N+]([O-])=O)ccc1[N+]([O-])=O
CAS DataBase Reference :69-78-3(CAS DataBase Reference)
EPA Substance Registry System :Benzoic acid, 3,3'-dithiobis[6-nitro- (69-78-3)
Safety Information
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Description
Reagent for determination of sufhydryl groups.5,5'-dithiobis-(2-nitrobenzoic acid) is widely utilized as a non-fluorescent probe to quantify the number or the concentration of thiol groups in a sample. It acts as a cleavable cross-linking agent. It finds an important application as a sensitive reagent for determining free sulfhydryl content in proteins, peptides, and tissues. It is also employed in high-performance liquid chromatography (HPLC) to determine the alkylthiol content.Related product price
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Suppliers and manufacturers
Jiangsu Hi-Pure Technology New Materials Co. Ltd.
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Shanghai Yikefan Biotechnology Co., LTD
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Shandong Kangsaide Biological Technology Co. LTD
Zhongke Pingsheng (Dalian) New Materials Co., Ltd.
J & K SCIENTIFIC LTD.
Meryer (Shanghai) Chemical Technology Co., Ltd.
INTATRADE GmbH