4-Methylaminophenol sulfate
Synonym(s):p-(Methylamino)phenol hemisulfate salt;4-(Methylamino)phenol hemisulfate salt;Metol
- CAS NO.:55-55-0
- Empirical Formula: C7H11NO5S
- Molecular Weight: 221.23
- MDL number: MFCD00013140
- EINECS: 200-237-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-09-05 22:20:32
What is 4-Methylaminophenol sulfate?
Description
Metol is contained in black-and-white film developers and caused contact dermatitis in photographers.
Chemical properties
White crystalline powder
The Uses of 4-Methylaminophenol sulfate
4-methylaminophenol sulfate is used as a photographic developer and fur dye.
The Uses of 4-Methylaminophenol sulfate
Photographic developer; dyeing furs.
The Uses of 4-Methylaminophenol sulfate
Metol is a black-and-white photographic developer; dyeing furs; as pigment in hair dyes.
The Uses of 4-Methylaminophenol sulfate
4-(Methylamino)phenol sulfate is a photographic developer used in black and white photography. It is also used as tone developers in developing agents. Further, it is used in oxidative hair dye formulations.
Definition
ChEBI: The sulfate salt of 4-methylaminophenol.
General Description
Off-white crystalline solid. Sensitive to light.
Air & Water Reactions
Water soluble.
Reactivity Profile
In aqueous solution behaves as an acid. Materials in this group are generally soluble in water. The resulting solutions contain moderate concentrations of hydrogen ions and have pH's of less than 7.0. They react as acids to neutralize bases. These neutralizations generate heat, but less or far less than is generated by neutralization of inorganic acids, inorganic oxoacids, and carboxylic acid. They usually do not react as either oxidizing agents or reducing agents but such behavior is not impossible. Many of these compounds catalyze organic reactions.
Hazard
Eye and skin irritant.
Fire Hazard
Flash point data for 4-Methylaminophenol sulfate are not available but 4-Methylaminophenol sulfate is probably combustible.
Contact allergens
Metol is contained in black and white film developers and caused contact dermatitis in photographers.
Purification Methods
Crystallise this photographic developer from H2O (needles m 250-260o) (its solubility is 5% at 20o and 17% at 100o) or MeOH. It is used for determining Ag. [Palit et al. Indian J Chem, Sect B 28 64 1989.]
Properties of 4-Methylaminophenol sulfate
Melting point: | 260 °C (dec.)(lit.) |
Density | 1.577 |
refractive index | 1.6510 (estimate) |
storage temp. | −20°C |
solubility | H2O: 50 mg/mL, clear |
form | Powder |
color | white to faintly beige |
Water Solubility | 50 g/L (20 ºC) |
Sensitive | Air Sensitive |
Merck | 14,6017 |
BRN | 3919382 |
Stability: | Stability Combustible. Incompatible with strong oxidizing agents, acids, acid halides. |
CAS DataBase Reference | 55-55-0(CAS DataBase Reference) |
EPA Substance Registry System | p-Methylaminophenol sulfate (55-55-0) |
Safety information for 4-Methylaminophenol sulfate
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 Health Hazard GHS08 Environment GHS09 |
GHS Hazard Statements |
H302:Acute toxicity,oral H317:Sensitisation, Skin H373:Specific target organ toxicity, repeated exposure H410:Hazardous to the aquatic environment, long-term hazard |
Precautionary Statement Codes |
P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P314:Get medical advice/attention if you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. |
Computed Descriptors for 4-Methylaminophenol sulfate
Abamectin manufacturer
JSK Chemicals
Chemox Chemopharma Industries
Anubhav Business Corporation
S D Fine Chem Limited
Expo Fine Chemical Industries
Pallav Chemicals And Solvents Pvt Ltd
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