Learn More
4-(Methylamino)phenol sulfate, 99%, Thermo Scientific Chemicals
Description
4-(Methylamino)phenol sulfate, is a is a popular photographic developer used in black & white photography. It is also an excellent developing agent for most continuous tone developer applications, and it has been widely used in published developer formulas as well as commercial products.
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.
4-(Methylamino)phenol sulfate, is a is a popular photographic developer used in black & white photography. It is also an excellent developing agent for most continuous tone developer applications, and it has been widely used in published developer formulas as well as commercial products.
Solubility
It is soluble in water (50 mg/mL).
Notes
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Keep away from acids, acid chlorides, acid anhydrides, oxidizing agents.

Specifications
Specifications
Melting Point | ∼260°C (decomposition) |
Quantity | 50 g |
UN Number | UN2811 |
Beilstein | 3919382 |
Sensitivity | Air and light sensitive |
Merck Index | 14,6017 |
Solubility Information | It is soluble in water (50mg/mL). |
Formula Weight | 344.38 |
Percent Purity | 99% |
Chemical Name or Material | 4-(Methylamino)phenol sulfate |
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 |
---|---|---|---|
10252772 | Certificate of Analysis | 17/10/2024 | A16236.18,A16236.0B,A16236.30 |
10251605 | Certificate of Analysis | 30/08/2024 | A16236.18,A16236.0B,A16236.30 |
10248387 | Certificate of Analysis | 09/07/2024 | A16236.18,A16236.0B,A16236.30 |
10250415 | Certificate of Analysis | 10/04/2024 | A16236.18,A16236.0B,A16236.30 |
10228530 | Certificate of Analysis | 23/11/2021 | A16236.18,A16236.0B,A16236.30 |
Safety and Handling



- Warning
- Acute toxicity Category 4
- LONG-TERM AQUATIC HAZARD Chronic 1
- ACUTE AQUATIC Acute 1
- Skin sensitiser Category 1
- Specific target organ toxicity after repeated exposure Category 2
- H302-Harmful if swallowed.
- H317-May cause an allergic skin reaction.
- H373-May cause damage to organs.
- H400-Very toxic to aquatic life.
- H410-Very toxic to aquatic life with long lasting effects.
- 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/.
- P312-Call a POISON CENTER/doctor/if you feel unwell.
- P333+P313-If skin irritation or rash occurs: Get medical advice/attention.
- P362+P364-Take off contaminated clothing and wash it before reuse.
RUO – Research Use Only
Your input is important to us. Please complete this form to provide feedback related to the content on this product.