Best Price for 523-21-7 - Methylparaben Pham Grade With Cas 99-76-3 NIPAGIN – Unilong
Best Price for 523-21-7 - Methylparaben Pham Grade With Cas 99-76-3 NIPAGIN – Unilong Detail:
White crystalline powder or colorless crystal, easily soluble in alcohol, ether and acetone, very slightly soluble in water, boiling point 270-280℃. Use Methyl paraben is mainly used as a bactericidal preservative in organic synthesis, food, cosmetics and medicine, and also as a preservative in feed.
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Product Name: |
Methylparaben |
Batch No. |
JL20220623 |
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Cas |
99-76-3 |
MF Date |
Jun. 23, 2022 |
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Packing |
25KGS/DRUM |
Analysis Date |
Jun. 23, 2022 |
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Quantity |
2MT |
Expiry Date |
Jun. 22, 2024 |
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ITEM |
STANDARD |
RESULT |
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Appearance |
White Crystalline Powder |
Conform |
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Assesment |
HPLC |
Conform |
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Assay % |
99.0-100.5 |
99.43% |
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Organic impurities % |
P-Hydroxybenzoic acid |
NMT 0.5 |
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Unspecified impurities |
NMT 0.5 |
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Total impurities |
NMT 1.0 |
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Melting Point ℃ |
125-128 |
126.1 |
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Residue % |
≤0.1 |
0.03 |
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Acid |
Passed |
Passed |
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Appearance of solution |
Passed |
Passed |
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Residual Solvents |
3000 ppm Methanol maximum |
Passed |
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Heavy Metal (Pb) |
≤10ppm |
<10ppm |
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Loss on drying % |
≤0.50 |
0.21 |
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Conclusion |
Qualified |
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1.Preservatives; Anti-microbial agents.
2.Used as a preservative, also used in medicine and organic synthetic applications as food, cosmetics and medical mildew repellent
3.It iS used in the pharmaceutical industry as an antiseptic and fungicide, also used in organic synthesis and food, spices, film and other corrosion protection additives. This product irritates the skin.
4.Antiseptic for sterilization. Studies on the synthesis of steroid hormones.
25kgs drum or requirement of clients. Keep it away from light at a temperature below 25℃.
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Our concentrate on is always to consolidate and enhance the excellent and service of present solutions, in the meantime regularly develop new products to meet distinctive customers' demands for Best Price for 523-21-7 - Methylparaben Pham Grade With Cas 99-76-3 NIPAGIN – Unilong , The product will supply to all over the world, such as: azerbaijan, New York, Morocco, After years' creating and developing, with the advantages of trained qualified talents and rich marketing experience, outstanding achievements were gradually made. We get good reputation from the customers due to our good solutions quality and fine after-sale service. We sincerely wish to create a more prosperous and flourishing future together with all the friends home and abroad!
By Olga from Sri Lanka - 2018.10.09 19:07
The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!
By Edith from Guatemala - 2018.03.03 13:09
