|Product Name:||2,6-Pyridinedicarboxylic Acid||Synonyms:||Pyridine-2,6-dicarboxylic Acid|
|CAS#:||499-83-2||Appearance:||White Crystalline Powder|
|Assay:||99.5～101.0%||Loss On Drying:||≤ 0.5%|
|Solubility:||Clear And Complete||Melting Point:||240～246℃|
Cas Number Search 499-83-2 Molecular Weight 167.12,
2 6-pyridinedicarboxylic acid 99,
499-83-2 Cas No Molecular Weight 167.12
Appearance: White crystalline powder
Dipicolinic acid (pyridine-2,6-dicarboxylic acid or PDC and DPA) is a chemical compound which composes 5% to 15% of the dry weight of bacterial spores. It is implicated as responsible for the heat resistance of the endospore.
However, mutants resistant to heat but lacking dipicolinic acid have been isolated, suggesting other mechanisms contributing to heat resistance are at work.
Dipicolinic acid forms a complex with calcium ions within the endospore core. This complex binds free water molecules, causing dehydration of the spore. As a result, the heat resistance of macromolecules within the core increases. The calcium-dipicolinic acid complex also functions to protect DNA from heat denaturation by inserting itself between the nucleobases, thereby increasing the stability of DNA.
Two genera of bacterial pathogens are known to produce endospores: the aerobic Bacillus and anaerobic Clostridium.
The high concentration of DPA in and specificity to bacterial endospores has long made it a prime target in analytical methods for the detection and measurement of bacterial endospores. A particularly important development in this area was the demonstration by Rosen et al. of an assay for DPA based on photoluminescence in the presence of terbium, though ironically this phenomenon was first investigated for using DPA in an assay for terbium by Barela and Sherry. Extensive subsequent work by numerous scientists has elaborated on and further developed this approach.
It is also used to prepare dipicolinato ligated lanthanide and transition metal complexes for ion chromatography.
Molecular Formula｜Molecular Weight
Appearance & Physical State
|White crystalline powder|
|Net 20kgs, 25kgs in Paper & plastic composite bag or Fiber drum lined with PE bags (Large package), or Upon the consumer's request.|
and STORAGE CONDITIONS
Without main danger (Common goods). The substance is not subject to IATA-DGR.
Keep containers tightly closed when not in use. Stored in the dry and ventilated place at room temperature, keep away from incompatible substances.
Expiry Period: 60 Months.
|Agrochemicals and organic synthesis intermediates.|
Asia Chem I and E (Jiangsu) Co. Ltd is an enterprise specializing in the import and export of intermediates and fine chemicals. It mainly deals in pharmaceutical intermediates, dye intermediates, pesticide intermediates, spice intermediates, organic synthesis intermediates, rubber vulcanization accelerator, polyurethane plastic curing agents, etc.
The company was established in July 2017, headquartered in Jiangsu Province, China, which is at the forefront of fine chemicals. Its business covers all parts of the world. It sincerely cooperates with domestic and overseas fine chemical manufacturers to share benefits.
We conduct quality audits on the source companies, and only those who have passed the assessment can become our qualified suppliers.
We control the quality of imported and exported products, and only those products that have passed third-party inspection agencies (such as the Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences) can be released by us.
We insist on excellence and provide customers with higher quality products.
Single-minded. We specialize in the import and export of nitrobenzoic acid and its derivatives, nitrophthalic acid and its derivatives, and nitrophthalonitrile series to meet your precise demands.
Professional. We have a professional chemical technical team to ensure that you can get quality products.
We specialize in the import and export of nitrobenzoic acid and its derivatives, nitrophthalic acid and its derivatives, and nitrophthalonitrile series products, such as: 3,5-Dinitrobenzoic acid; 3,5 -Dinitrobenzoyl chloride; 3,5-Diaminobenzoic acid; Sodium diatrizoate; 3-Nitrophthalic acid; 3-Nitrophthalic anhydride; 3-Aminophthalic acid; 3 -Nitrophthalonitrile; 3-Nitrophthalic hydrazide; 3-Aminophthalic acid hydrazide; 4-Nitrophthalic acid; 4-Nitrophthalic anhydride; 4 -Aminophthalic acid; 4-Nitrophthalimide; 4-Nitrophthalonitrile; 5-Aminoisophthalic acid; Dimethyl 5-aminoisophthalate; Monomethyl 5-nitroisophthalate; Monomethyl 5-aminoisophthalate, etc.
We also import and export other nitration products, intermediates, and fine chemicals, such as: 2-Methyl-6-nitroaniline; p-Benzoquinone dioxime; 4-Chlorophthalonitrile; 4-Nitro- N-methylphthalimide; 4-Methyl-3-aminobenzoic acid, etc.
We have professional chemical engineers to provide you with pre-sales and after-sales chemical technical services. We also entrust a third-party testing agency to perform quality control to help you get products with confidence.
From samples to finished products, from experimental reagents to industrial products, from specification customization to packaging requirements, we spare no effort to meet your more needs!
Q1. Can I have a sample order for trial purpose?
A: Yes, we welcome sample order to test and check quality.
Q2. Do you have any MOQ limit?
A: Low MOQ, 100g-5kg for sample checking is available.
Q3. How do you ship the goods and how long does it always take to arrive?
A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.
Q4. Are COA, ROS, MSDS, MOA available?
A: Yes, available.
Q5. How about the shelf life of the products?
A: Usually 2-3 years.
Q6. About Payment
A: T/T, L/C, negotiable
Q7. Have you implemented an effective Quality Assurance System in your company?
Q8. Are you certified according to ISO 9001 or ISO 14001?
Q9. Would you agree to an audit of your manufacturing plant by a member of our QA Department?
A: Yes, welcome.
Q10. About proceed an order
A: 1. Pls let us know your quantity, specification and end use.
2. We quote according to your requirements.
3.Customer confirms price and places formal order.
4. Receipt of payment
5. We confirm delivery date and arrange delivery.
Contact Person: Mera Zhou