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5,5’-Dithiobis(2-nitrobenzoic acid)
SKU:
GRM1677
CAS Number :
69-78-3
Synonym :
5, 5’-Dithiobis(2-nitrobenzoic acid); 3-Carboxy-4-nitrophenyl disulfide; DTNB
Molecular Formula :
C₁₄H₈N₂O₈S₂
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5,5’-Dithiobis(2-nitrobenzoic acid is an organic disulfide that results from the formal oxidative dimerisation of 2-nitro-5-thiobenzoic acid. An indicator used to quantify the number or concentration of thiol groups. It has a role as an indicator.
CAS Number :
69-78-3
Synonym :
5, 5’-Dithiobis(2-nitrobenzoic acid); 3-Carboxy-4-nitrophenyl disulfide; DTNB
Molecular Formula :
C₁₄H₈N₂O₈S₂
Product Number
| GRM1677 | 1G |
|---|---|
| GRM1677 | 5G |
Product Information
| Product Code | GRM1677 |
|---|---|
| Product Name | Ellman's reagent |
| Synonym | 5,5'-Dithiobis(2-nitrobenzoic acid); 3-Carboxy-4-nitrophenyl disulfide; DTNB |
| Molecular Formula | C14H8N2O8S2 |
| Molecular Weight | 396.35 |
| CAS No. | 69-78-3 |
| EC No. | 200-714-4 |
| HS Code | 2930 90 99 |
| Shelf Life | 4 years |
Technical Specification
| Appearance | Yellow crystals or powder |
|---|---|
| Solubility | 10 mg soluble in 1 mL of ethanol |
| FTIR (KBr disc) | Matches with the standard pattern |
| Melting range | 235-245°C (dec.) |
| Assay (NaOH Titration) | 97.00- 102.00% |
GHS Safety Information
| Hazard Statement(s) | H315-H319-H335 |
|---|---|
| Precautionary Statement(s) | P261-P305+P351+P338 |
| Signal Word | Warning |
| Hazard Pictogram(s) |  |
Risk and Safety Information
| R-Phrase(s) | 36/37/38 |
|---|---|
| S-Phrase(s) | 26-36 |
| WGK | 3 |
| RTECS | DG9650000 |
| Storage Temperature(°C) | Store below 30°C |
| Hazard Symbol(s) | |
Transport Information
| Marine Pollutant | No |
|---|---|
| ADR/RID | Not Dangerous Goods |
| IMDG | Not Dangerous Goods |
| IATA | Not Dangerous Goods |
CAS Number :
69-78-3
Synonym :
5, 5’-Dithiobis(2-nitrobenzoic acid); 3-Carboxy-4-nitrophenyl disulfide; DTNB
Molecular Formula :
C₁₄H₈N₂O₈S₂
| Product Name | 5,5’-Dithiobis(2-nitrobenzoic acid) |
|---|---|
| SKU | GRM1677 |
| CAS No | 69-78-3 |
| EC No. | 200-714-4 |
| Molecular formula | C₁₄H₈N₂O₈S₂ |
| Synonym | 5, 5’-Dithiobis(2-nitrobenzoic acid); 3-Carboxy-4-nitrophenyl disulfide; DTNB |
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