Molekula
Azure II
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch
Azure II is a synthetic triarylmethane dye, primarily used as a pH indicator in analytical chemistry and biochemistry for detecting pH changes around 1.0–2.5, shifting from red to green. This high-purity reagent is available as a solid powder with a CAS number of 37247-10-2, a molecular formula of C16H18N3S·C15H16N3S·2Cl, and a molecular weight of 625.68 g/mol. It requires ambient storage and carries a signal word of "Warning" for safety. Molekula supplies Azure II from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Azure II is a synthetic triarylmethane dye, primarily used as a pH indicator in analytical chemistry and biochemistry for detecting pH changes around 1.0–2.5, shifting from red to green. This high-purity reagent is available as a solid powder with a CAS number of 37247-10-2, a molecular formula of C16H18N3S·C15H16N3S·2Cl, and a molecular weight of 625.68 g/mol. It requires ambient storage and carries a signal word of "Warning" for safety. Molekula supplies Azure II from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Pricing & pack sizes
Specifications
| Property | Value |
|---|---|
| Appearance | Dark green powder |
| Identification | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 80592643 |
| CAS Number | 37247-10-2 |
| Molecular Formula | C16H18N3S · C15H16N3S ·2 Cl |
| Molecular Weight | 625.68 |
| SMILES | CNC1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-].[Cl-] |
| REACH Code | Y110 |
| HTS Code | 32129000 |
| Tariff Code | 3212900000 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- 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
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Azure II used for?
Azure II is primarily used as a pH indicator in analytical chemistry, particularly for detecting the endpoint in acid-base titrations around pH 1.0–3.0, and as a dye in various biochemical applications.
What is the chemical formula and molecular weight of Azure II?
The chemical formula is **C16H18N3S · C15H16N3S · 2Cl**, and the molecular weight is **625.68 g/mol**.
What is the hazard classification and storage recommendation for Azure II?
Azure II has a **signal word of 'Warning'** and should be stored at **ambient temperature** in a dry, well-ventilated area, away from incompatible substances.
Does Molekula offer Azure II in bulk quantities?
Yes, Molekula can supply Azure II in bulk, with quantities tailored to your specific requirements—please contact us for pricing and availability.
What documentation comes with an order of Azure II?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and a **product specification sheet** for reference.
Ready to order or need a custom pack?
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