Gallic Acid(CAS 149-91-7)
| Purity | Grade | Package | Stock | Price | Quantity |
| 98% | RG | 25G | In Stock | 3 USD
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| 98% | RG | 100G | In Stock | 5 USD
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| 98% | RG | 500G | In Stock | 16 USD
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| 98% | RG | 2.5KG | In Stock | 49 USD
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| 98% | RG | 25KG | In Stock | 480 USD
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Applications of 149-91-7
Gallic acid has diverse applications across various fields:
- Food Industry: Used as an antioxidant to prevent rancidity in oils and fats.
- Pharmaceuticals: Employed for its antiseptic properties and potential health benefits.
- Cosmetics: Incorporated in formulations for its antioxidant effects.
- Dyes and Inks: Forms deep colors with iron salts, historically used in ink production.
Physical and chemical properties of 149-91-7
Acidity coefficient |
4.41(at 25℃) |
|---|---|
Boiling Point |
501.00 °C. @ 760.00 mm Hg |
BRN |
2050274 |
Decomposition |
When heated to decomposition it emits acrid smoke and irritating fumes. |
Density |
Relative density (water = 1): 1.7 |
Exact Mass |
170.021530 |
Flash Point |
271.0±26.6 °C |
Index of Refraction |
1.730 |
LogP |
0.7 |
Melting Point |
258 - 265 °C |
Merck |
14,4345 |
Molecular Formula |
C7H6O5 |
Molecular Weight |
170.120 |
pH |
3.75(1 mM solution);3.22(10 mM solution);2.71(100 mM solution) |
PSA |
97.99000 |
Solubility |
Solubility in water, g/100ml: 1.1 (moderate) |
Stability |
Stability Stable, but may discolour upon exposure to light. Hygroscopic. Incompatible with strong oxidizing agents, strong bases, acid chlorides, acid anhydrides. |
Storage condition |
2-8°C |
Vapour Pressure |
0.00000012 [mmHg] |
Water Solubility |
12 g/L cold water |
Spectrums of 149-91-7
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 149-91-7
Cas:61203-46-1
Cas:536-08-3
Cas:7664-93-9
Cas:10034-85-2
Cas:3934-84-7
Q&A for CAS 149-91-7
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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Orders from Ready stock / In stock items typically Ships Tomorrow via Fast Shipping via FedEx/DHL/UPS. International deliveries usually arrive within 7 business days, subject to customs clearance.
3. What if the received product doesn’t meet quality standards?
If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.
4. Are hazardous labels included? How is safe shipping ensured?
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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Yes. Items labeled In stock / Ready stock on our website are available for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.
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 149-91-7
Pictograms |
 |
|---|---|
Signal Word |
Danger |
Hazard Statements |
H315 Causes skin irritation H318 Causes serious eye damage H319 Causes serious eye irritation H335 May cause respiratory irritation |
Safety Data Sheet |
Download COA of 149-91-7
Operate under the ISO 9001 system
