CAS No.: | 149-91-7 |
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Formula: | C7h6o5 |
EINECS: | 205-749-9 |
Type: | Synthesis Material Intermediates |
Appearance: | Powder |
Quality: | Industrial |
Samples: |
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Customization: |
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Chemical Name | Gallic acid |
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CAS No. | 149-91-7 |
Molecular Formula | C7H6O5 |
Molecular Weight | 170.12000 |
PSA | 97.99000 |
LogP | 0.50160 |
Appearance & Physical State | White crystalline powder |
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Density | 1.694 |
Boiling Point | 501.1ºC at 760 mmHg |
Melting Point | 251ºC (dec.) |
Flash Point | 271ºC |
Refractive Index | 1.73 |
Water Solubility | 12 g/L cold water |
Stability | Stability Stable, but may discolour upon exposure to light. Hygroscopic. Incompatible with strong oxidizing agents, strong bases, acid chlorides, acid anhydrides. |
Storage Condition | Do not store in direct sunlight. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from light. |
Vapor Pressure | 7.32E-11mmHg at 25°C |
Item | Specification |
Appearance | White crystal powder |
Content, | 98.0~102.0 % |
Gallic acid (%) | ≤0.50% |
Appearance of solution | The solution is clear,not more intensely colored than reference solution BY5 |
Specific absorption in ethanol | 485nm to 520nm |
Loss on Drying(% ) | ≤0.50% |
Melting point( ºC) | 146-150ºC |
Ignited residue( %) | ≤0.1% |
Sulphated ash(%) | ≤0.1% |
Heavy metal (Pb ppm) | <10ppm |
As (ppm) | <3ppm |
Hg (ppm) | <1ppm |
Zn(ppm) | <25ppm |
Chlorides(ppm) | ≤100ppm |
Ethanol Residue solvents |
5000ppm |
Total Plate Count : Yeast & Mold : E.Coli : S. Aureus : Salmonella : Microbiology |
<100cfu/g <100cfu/g Negative Negative Negative |
Fast Delivery | Delivery within 24 hours upon receipt of your payment |
Quality | Quality can be promised. Hot sell to Worldwide |
Payment Terms | T/T Bank Transfer, Western Union, Paypal, Bitcoin and MoneyGram Available |
Sample | Sample available at any time if you pay shipping fees |
Tracking your order at any time | Inform your order's further new situation at any time |
Package | Professional packing with professional materials |
Yanxi (shandong) New Material Co.,LTD is a professional research and development of the production of lead diacetate trihydrate, 2-
phenylethylamide enterprises. The key members of the company are established by local well-known entrepreneurs and professional engineers
under the call and support of the party's "low-carbon environmental protection, safety and stability". under the innovation in traditional
production equipment and technology, the use of "high temperature cooling" and "plastic basin crystallization" technology, on the basis of
reducing the cost of products to make the quality of products to the same industry. With the efforts of all the staff of the company, we have
established many cooperative companies in Shan Dong, He Nan, Guang Dong and other places in recent decades.
Q1: What's your MOQ?
A:It depends on different products,we can accept sample order or provide free sample for your test.
Q2:How about delivery leadtime?
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
Q3: Is there a discount?
A:Different quantity has different discount.
Q4:How to start orders or make payments?
A:Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union or Bitcoin.
Q5: How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
Q6. Do you test all your goods before delivery?
A:Yes, we have 100% test before delivery,International Authorized Third-Party Test for the products if you need are highly welcomed.
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