55-55-0
4-Methylaminophenol sulfate
CAS: 55-55-0
Molecular Formula: C7H11NO5S
55-55-0 - Names and Identifiers
| Name | 4-Methylaminophenol sulfate |
| Synonyms | ELON METOL GENOL ARMOL Metol METHOL ECOL(R) METOL(TM) 4-Methylaminophenol sulfate p-Methylaminophenol sulfate 4-(Methylamino)phenol hemisulfate salt Bis(4-hydroxy-N-methylanilinium) sulphate BIS-(N-METHYL-4-HYDROXYANILINIUM) SULFATE |
| CAS | 55-55-0 |
| EINECS | 200-237-1 |
| InChI | InChI=1/2C7H9NO.H2O4S/c2*1-8-6-2-4-7(9)5-3-6;1-5(2,3)4/h2*2-5,8-9H,1H3;(H2,1,2,3,4)/p-2 |
55-55-0 - Physico-chemical Properties
| Molecular Formula | C7H11NO5S |
| Molar Mass | 221.23 |
| Density | 1.577 |
| Melting Point | 260°C (dec.)(lit.) |
| Water Solubility | 50 g/L (20 ºC) |
| Solubility | Soluble in water. Soluble in 20 parts of cold water and 6 parts of boiling water, slightly soluble in alcohol, insoluble in ether. |
| Appearance | Colorless needle crystal |
| Color | white to faintly beige |
| Merck | 14,6017 |
| BRN | 3919382 |
| Storage Condition | −20°C |
| Stability | Stability Combustible. Incompatible with strong oxidizing agents, acids, acid halides. |
| Sensitive | Air Sensitive |
| Refractive Index | 1.6510 (estimate) |
| MDL | MFCD00013140 |
| Physical and Chemical Properties | Colorless needle-like crystals. Melting point 259-260 °c. Soluble in 20 parts of cold water, 6 parts of boiling water, slightly soluble in alcohol, insoluble in ether. Discoloration in the air. |
| Use | Used as a developer |
55-55-0 - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R43 - May cause sensitization by skin contact R48/22 - Harmful danger of serious damage to health by prolonged exposure if swallowed. R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S36/37 - Wear suitable protective clothing and gloves. S46 - If swallowed, seek medical advice immediately and show this container or label. S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 3077 9/PG 3 |
| WGK Germany | 3 |
| RTECS | SL8650000 |
| FLUKA BRAND F CODES | 8 |
| TSCA | Yes |
| HS Code | 29222900 |
| Hazard Class | 6.1 |
| Packing Group | III |
55-55-0 - Introduction
Separation of gold and palladium. Reduction of phosphomolybdic acid. Verification of silver. Determination of gold and silver.
Last Update：2022-10-16 17:26:15
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