Molekula
Pyrogallol Red
Pyrogallol Red is a synthetic organic dye used primarily in analytical chemistry and as a reagent in spectrophotometric assays. It is a red crystalline powder with a molecular formula of C19H12O8S and a molecular weight of 400.36 g/mol. It is stable at ambient temperatures and does not require special handling. Molekula supplies Pyrogallol Red from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Pyrogallol Red is a synthetic organic dye used primarily in analytical chemistry and as a reagent in spectrophotometric assays. It is a red crystalline powder with a molecular formula of C19H12O8S and a molecular weight of 400.36 g/mol. It is stable at ambient temperatures and does not require special handling. Molekula supplies Pyrogallol Red from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Dark red to dark green to brown or black powder |
| Melting Point | ≥300°C |
| Solubility | Dark purple solution (10mg/ml in 1M Ammonium hydroxide) |
| Lambda max | 475 - 515nm in Ethanol |
| Sulfated ash | <0.5% |
| Identification (FT-IR) | Conforms to structure and standard |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| CAS Number | 32638-88-3 |
| Molecular Formula | C19H12O8S |
| Molecular Weight | 400.36 |
| SMILES | O=S1(=O)OC2(C3=CC=C(O)C(O)=C3OC4=C(O)C(O)=CC=C42)C=5C=CC=CC51 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29349944 |
| Tariff Code | 2934999090 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
- P314 Get medical advice/attention if you feel unwell
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Pyrogallol Red used for?
Pyrogallol Red is primarily used as a pH indicator in analytical chemistry and as a reagent in dye and pigment synthesis.
What is the chemical formula and molecular weight of Pyrogallol Red?
The formula is C19H12O8S with a molecular weight of 400.36 g/mol.
How should Pyrogallol Red be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade of Pyrogallol Red is available?
Molekula supplies Pyrogallol Red in analytical grade.
Can Molekula supply Pyrogallol Red in bulk?
Yes, Molekula can supply Pyrogallol Red in bulk quantities upon request.
What documentation comes with a Pyrogallol Red order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS).
Ready to order or need a custom pack?
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