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2,4-Diaminophenol dihydrochloride, 98+%, Thermo Scientific Chemicals
Description
2,4-Diaminophenol dihydrochloride (Amidol) is used in the dye manufacturing industries and as a color accelerator in photographic developers. It is also employed as a pharmaceutical intermediate.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
2,4-Diaminophenol dihydrochloride (Amidol) is used in the dye manufacturing industries and as a color accelerator in photographic developers. It is also employed as a pharmaceutical intermediate.
Solubility
Soluble in water; very faint turbidity [27.5 g/100 mL (15°C).]
Notes
Store away from oxidizing agents and strong bases. Keep the container tightly closed in a cool, dry place.

Specifications
Specifications
Melting Point | ∼280°C (decomposition) |
Quantity | 25 g |
UN Number | UN2811 |
Beilstein | 3913728 |
Merck Index | 14,2983 |
Solubility Information | Soluble in water; very faint turbidity [27.5g/100 mL (15°C).] |
IUPAC Name | 2,4-diaminophenol;dihydrochloride |
Formula Weight | 197.07 |
Percent Purity | ≥98% |
Chemical Name or Material | 2,4-Diaminophenol dihydrochloride |
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Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Catalog Number |
---|---|---|---|
10242394 | Certificate of Analysis | 10/08/2022 | A17697.22,A17697.14 |
10212512 | Certificate of Analysis | 23/11/2021 | A17697.22,A17697.14 |
10117658 | Certificate of Analysis | 23/11/2021 | A17697.22,A17697.14 |
10021402 | Certificate of Analysis | 23/11/2021 | A17697.22,A17697.14 |
10167488 | Certificate of Analysis | 23/11/2021 | A17697.22,A17697.14 |
Safety and Handling

- Danger
- Acute toxicity Category 3
- Serious eye damage/eye irritation Category 2
- Skin corrosion/irritation Category 2
- Specific target organ toxicity Category 3
- H301-Toxic if swallowed.
- H315-Causes skin irritation.
- H319-Causes serious eye irritation.
- H335-May cause respiratory irritation.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
- P302+P352-IF ON SKIN: Wash with plenty of water/.
- P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
- P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P312-Call a POISON CENTER/doctor/if you feel unwell.
RUO – Research Use Only
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