Molekula
Métol (sulfate de 4-méthylaminophénol)
Metol (4-Methylaminophenol sulfate) is a chemical used primarily in photographic developing solutions as a reducing agent. It is also employed in the synthesis of certain dyes and pharmaceuticals. Available in powder form, it has a molecular weight of 344.38 g/mol, a CAS number of 55-55-0, and a molecular formula of (C7H9NO)2·H2SO4. Store at ambient temperatures. Molekula supplies Metol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Aperçu
Metol (4-Methylaminophenol sulfate) is a chemical used primarily in photographic developing solutions as a reducing agent. It is also employed in the synthesis of certain dyes and pharmaceuticals. Available in powder form, it has a molecular weight of 344.38 g/mol, a CAS number of 55-55-0, and a molecular formula of (C7H9NO)2·H2SO4. Store at ambient temperatures. Molekula supplies Metol from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Spécifications
| Property | Value |
|---|---|
| Appearance | White to off-white crystalline powder |
| Heavy metals | ≤0.001% |
| pH | 3.4 - 3.7 |
| Loss on Drying | ≤0.3% |
| Assay | ≥99.0% |
| Iron | ≤0.003% |
| Residue on Ignition | ≤0.1% |
Stockage et manipulation
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Shelf Life | 60 months |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| CAS Number | 55-55-0 |
| Molecular Formula | (C7H9NO)2.H2SO4 |
| Molecular Weight | 344.38 |
| SMILES | CNC1=CC=C(C=C1)O.CNC1=CC=C(C=C1)O.OS(=O)(=O)O |
| EC / UN Number | 3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29222981 |
| Tariff Code | 2922290090 |
Sécurité et GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Déclarations de danger
- H302 Harmful if swallowed
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H373 May cause damage to organs through prolonged or repeated exposure
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Déclarations de précaution
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
À usage recherche et industriel uniquement
Documents
Fiches de données de sécurité (FDS)
Disponible en PT, IT, FR, ES, DE, EN.
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PT - (22111555) METOL (4-METHYLAMINOPHENOL SULFATE) [55-55-0].pdf
SDS · PT · 247 KB
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IT - (22111555) METOL (4-METHYLAMINOPHENOL SULFATE) [55-55-0].pdf
SDS · IT · 244 KB
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FR - (22111555) METOL (4-METHYLAMINOPHENOL SULFATE) [55-55-0].pdf
SDS · FR · 249 KB
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ES - (22111555) METOL (4-METHYLAMINOPHENOL SULFATE) [55-55-0].pdf
SDS · ES · 247 KB
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DE - (22111555) METOL (4-METHYLAMINOPHENOL SULFATE) [55-55-0].pdf
SDS · DE · 246 KB
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EN - (22111555) METOL (4-METHYLAMINOPHENOL SULFATE) [55-55-0].pdf
SDS · EN · 242 KB
Certificat d'analyse (CoA) par lot
Saisissez un numéro de lot ou de série pour récupérer le certificat d'analyse correspondant à ce lot spécifique. Nous pouvons en générer un à partir des données de spécification si aucun PDF n'est disponible.
Prix et formats de conditionnement
Synonymes
Aucun autre nom enregistré pour ce produit.
Questions fréquentes
What is Metol (4-Methylaminophenol sulfate) used for?
Metol is primarily used as a photographic developing agent, especially in black-and-white film and print development, due to its high developing power and low fogging tendency.
What is the chemical formula and molecular weight of Metol?
The formula is (C7H9NO)2·H2SO4 and the molecular weight is 344.38 g/mol.
How should Metol be stored?
Metol should be stored at ambient temperature, protected from moisture and light, and kept in a tightly closed container.
What grade of Metol is available from Molekula?
Molekula supplies Metol in analytical grade, suitable for laboratory and photographic applications.
Can Molekula supply Metol in bulk quantities?
Yes, Molekula can supply Metol in bulk quantities; please contact our sales team for volume pricing and availability.
What documentation comes with a Metol order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS), compliant with GHS standards.
Prêt à passer commande ou besoin d'un emballage sur mesure ?
Indiquez le produit, le grade et la quantité – Molekula répond généralement sous un jour ouvrable avec le prix et le délai de livraison.