3,4-Dihydroxybenzaldehyde(CAS 139-85-5)
| Purity | Grade | Package | Stock | Price | Quantity |
| 99% | RG | 5G | In Stock | 4 USD
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| 99% | RG | 25G | In Stock | 6 USD
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| 99% | RG | 100G | In Stock | 17 USD
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| 99% | RG | 500G | In Stock | 44 USD
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| 99% | RG | 2.5KG | In Stock | 213 USD
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| 99% | RG | 10KG | In Stock | 817 USD
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Quality System
Applications of 139-85-5
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of pharmaceutical intermediates | Reacted with amines to form imines or undergo other functional group transformations |
| Fragrances | Raw material for fragrance formulations | Added directly to perfumes or blended with other components prior to use |
| Pesticides | Preparation of active ingredients | Converted into target products via reactions such as esterification and acylation |
| Dyes | Starting material in dye production | Participates in dye molecule construction, e.g., via coupling reactions |
| Fine Chemicals | Synthesis of surfactants and other auxiliaries | Undergoes addition reactions—e.g., with ethylene oxide—in the presence of a catalyst to produce nonionic surfactants |
Physical and chemical properties of 139-85-5
Acidity coefficient |
pK (25°) 7.55 |
|---|---|
Boiling Point |
295.4±20.0 °C at 760 mmHg |
BRN |
774381 |
Density |
1.4±0.1 g/cm3 |
Exact Mass |
138.031693 |
Flash Point |
146.7±18.3 °C |
Index of Refraction |
1.674 |
LogP |
1.14 |
Melting Point |
150-157 °C(lit.) |
Merck |
14,7893 |
Molecular Formula |
C7H6O3 |
Molecular Weight |
138.12 |
PSA |
57.53000 |
Sensitivity |
Air Sensitive |
Solubility |
6.3g/l |
Stability |
Stable. Incompatible with strong bases, strong oxidizing agents. |
Storage condition |
2-8°C |
Vapour Pressure |
0.000116 [mmHg] |
Water Solubility |
50 g/L (20 ºC) |
Spectrums of 139-85-5
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Retrosynthesis analysis of 139-85-5
Cas:3328-70-9
Cas:623-11-0
Cas:7722-84-1
Cas:2973-78-6
Q&A for CAS 139-85-5
1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.
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If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.
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Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.
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Yes. Our Lab Supplier team is available to assist with questions about product usage, storage, Lab Grade requirements, applications, and more.
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Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.
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9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.
10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.
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Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.
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Download SDS of 139-85-5
Pictograms |
 |
|---|---|
Signal Word |
Warning |
Hazard Statements |
H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation |
Safety Data Sheet |
Download COA of 139-85-5
Operate under the ISO 9001 system
