A0849312
Amidol , >98.0%(N)(T) , 137-09-7
Synonym(s):
‘Amidol’;4-Hydroxy-1,3-phenylenediammonium dichloride;Amidol, 2,4-Diaminophenol dihydrochloride, Phenol-2,4-diammonium dichloride, 1-Hydroxybenzene-2,4-diammonium dichloride
CAS NO.:137-09-7
Empirical Formula: C6H10Cl2N2O
Molecular Weight: 197.06
MDL number: MFCD00012979
EINECS: 205-279-4
| Pack Size | Price | Stock | Quantity |
| 1g | RMB31.20 | In Stock |
|
| 5g | RMB79.20 | In Stock |
|
| 25G | RMB287.20 | In Stock |
|
| 100g | RMB879.20 | In Stock |
|
| 500G | RMB4144.00 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 222 °C (dec.)(lit.) |
| Density | 1.3457 (rough estimate) |
| bulk density | 310kg/m3 |
| refractive index | 1.5680 (estimate) |
| storage temp. | Store below +30°C. |
| solubility | 275g/l |
| form | Crystalline Powder |
| color | Beige to gray-green |
| PH | 1-2 (50g/l, H2O, 20℃) |
| Water Solubility | 27.5 g/100 mL (15 ºC) |
| Merck | 14,2983 |
| BRN | 3913728 |
| Stability: | Stable. Incompatible with strong oxidizing agents, acids. Heat and light sensitive. |
| Cosmetics Ingredients Functions | HAIR DYEING |
| Cosmetic Ingredient Review (CIR) | 2,4-Diaminophenol dihydrochloride (137-09-7) |
| InChI | 1S/C6H8N2O.2ClH/c7-4-1-2-6(9)5(8)3-4;;/h1-3,9H,7-8H2;2*1H |
| InChIKey | KQEIJFWAXDQUPR-UHFFFAOYSA-N |
| SMILES | Cl.Cl.Nc1ccc(O)c(N)c1 |
| CAS DataBase Reference | 137-09-7(CAS DataBase Reference) |
| EPA Substance Registry System | 2,4-Diaminophenol dihydrochloride (137-09-7) |
Description and Uses
A trade name for diamidophenol, a developing agent for silver bromide gelatin emulsions that was introduced by Dr. Anderson in 1892. Amidol made negatives grayish black, with very little fog. It was favored over other alkaline developers because it could facilitate faster exposures.
Safety
| Symbol(GHS) | ![]() GHS06 |
| Signal word | Danger |
| Hazard statements | H301-H315-H319-H335 |
| Precautionary statements | P261-P264-P270-P301+P310-P302+P352-P305+P351+P338 |
| target organs | Respiratory system |
| PPE | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
| Hazard Codes | Xn,Xi |
| Risk Statements | 22-36/37/38 |
| Safety Statements | 26-36 |
| RIDADR | UN 2811 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | SK7600000 |
| TSCA | TSCA listed |
| HazardClass | 6.1 |
| PackingGroup | III |
| HS Code | 29222900 |
| Storage Class | 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects |
| Hazard Classifications | Acute Tox. 3 Oral Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |
| Hazardous Substances Data | 137-09-7(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: 240 mg/kg |






