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℃.
Product detail pictures:
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We normally follow the basic principle "Quality Initial, Prestige Supreme". We've been fully committed to offering our consumers with competitively priced good quality merchandise, prompt delivery and professional support 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: Georgia, Tunisia, Algeria, Since its foundation , the company keeps living up to the belief of "honest selling , best quality , people-orientation and benefits to customers. " We're doing everything to supply our customers with best services and best solutions . We promise that we are going to be responsible all the way to the end once our services begin.
By Clara from Barcelona - 2017.04.18 16:45
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By Elaine from USA - 2018.12.10 19:03
