Molekula
Rosso cresolo
Cresol Red
Certificato ISO 9001:2015 & ISO 14001:2015 · Fornitura a laboratori e industria dal 2000 · Certificato di Analisi (CoA) per ogni lotto
Cresol Red is a synthetic pH indicator dye used in analytical chemistry for titrations, particularly in determining the pH range of 7.2–8.8, and in biological buffers. It appears yellow in acidic solutions and red in alkaline conditions, making it ideal for precise pH monitoring. Catalogue details include CAS 1733-12-6, molecular formula C21H18O5S, and a molecular weight of 382.43. Store at ambient conditions, with a signal word of Warning. Molekula supplies Cresol Red from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Panoramica
Cresol Red is a synthetic pH indicator dye used in analytical chemistry for titrations, particularly in determining the pH range of 7.2–8.8, and in biological buffers. It appears yellow in acidic solutions and red in alkaline conditions, making it ideal for precise pH monitoring. Catalogue details include CAS 1733-12-6, molecular formula C21H18O5S, and a molecular weight of 382.43. Store at ambient conditions, with a signal word of Warning. Molekula supplies Cresol Red from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Prezzi e formati disponibili
Specifiche
| Property | Value |
|---|---|
| Appearance | Dark Red Powder |
| Solubility at 0.1% (95% Ethanol) | Clear Yellow Solution |
| Loss on drying (110 °C) | (Max.) 3.00% |
| pH Transition - Colour Change | pH6.5 (Yellow) - pH8.8 (Purple) |
| Wavelength of Maximum Absorption (pH6.5) λmax1 | 432.0-436.0 nm |
| Specific Absorption (E1%/1cm) at λ max1 | (Min.) 490 |
| Wavelength of Maximum Absorption (pH 8.8) λ max2 | 571.0-574.0 nm |
| Specific Absorption (E1%/1cm) at λ max2 | (Min.) 1000 |
Immagazzinamento e manipolazione
| Property | Value |
|---|---|
| Temperatura di Conservazione | Ambient |
| Acidità | Neutral |
Identificazione
| Property | Value |
|---|---|
| SKU | 32608392 |
| Numero CAS | 1733-12-6 |
| Formula molecolare | C21H18O5S |
| Peso molecolare | 382.43 |
| SMILES | CC1=C(C=CC(=C1)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C=C4)O)C)O |
| Codice REACH | Y113 |
| Elencato TSCA | Sì |
| Codice HTS | 2934.99.4400 |
| Codice doganale | 2934999090 |
Sicurezza e GHS
-
Health Hazard
GHS07
Dichiarazioni di pericolo
- H315 Provoca irritazione cutanea.
- H319 Provoca grave irritazione oculare.
- H335 Può irritare le vie respiratorie.
Istruzioni di precauzione
- P261 Evitare di respirare la polvere/i fumi/i gas/la nebbia/i vapori/gli aerosol.
- P264 Lavare accuratamente ... dopo l'uso.
- P280 Indossare guanti/indumenti protettivi/proteggere gli occhi/proteggere il viso.
- P302+P352 IN CASO DI CONTATTO CON LA PELLE: lavare abbondantemente con acqua/...
- P304+P340 IN CASO DI INALAZIONE: trasportare l'infortunato all'aria aperta e mantenerlo a riposo in posizione che favorisca la respirazione.
- P305+351+338 IN CASO DI CONTATTO CON GLI OCCHI: sciacquare accuratamente per parecchi minuti. Togliere le eventuali lenti a contatto se è agevole farlo. Continuare a sciacquare.
Documenti
Fogli di dati di sicurezza (SDS)
Disponibile in English, French, German, Italian, Portuguese, Spanish.
Certificato di Analisi (CoA) per lotto
Inserisci un numero di lotto o di partita per recuperare il certificato di analisi relativo a tale partita. Possiamo generarlo dai dati specifici se non è disponibile alcun PDF.
Sinonimi
Nessun altro nome registrato per questo prodotto.
Domande frequenti
What is Cresol Red commonly used for?
Cresol Red is primarily used as a pH indicator in laboratories, with a transition range of pH 7.2–8.8 (yellow to purple-red). It is also employed in some biochemical assays and as a dye in certain analytical applications.
What is the chemical formula and molecular weight of Cresol Red?
The chemical formula is **C₂₁H₁₈O₅S**, and the molecular weight is **382.43 g/mol**.
How should Cresol Red be stored?
Store Cresol Red at **ambient temperature** in a tightly sealed container, away from direct sunlight and moisture.
What grade or purity is available for Cresol Red from Molekula?
Molekula supplies Cresol Red in **analytical reagent (AR) grade** for laboratory applications, ensuring high purity and consistency.
Can Molekula supply Cresol Red in bulk quantities?
Yes, Molekula can provide Cresol Red in bulk, with quantities tailored to meet your specific research or industrial requirements—please contact us for pricing and availability.
What documentation comes with an order of Cresol Red?
Each order includes a **Certificate of Analysis (CoA)** detailing purity, batch-specific data, and safety information, along with a **Material Safety Data Sheet (MSDS)** for handling and storage guidelines.
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