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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"Quality 1st, Honesty as base, Sincere company and mutual profit" is our idea, in an effort to create consistently and pursue the excellence 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: Pretoria, Turkmenistan, Jamaica, We sincerely hope to cooperate with customers all over the world, if you would like to have more information, make sure you kindly contact us, we have been looking forward to building up a great business relationship with you.
By Afra from Niger - 2018.09.16 11:31
The company's products very well, we have purchased and cooperated many times, fair price and assured quality, in short, this is a trustworthy company!
By Lena from Doha - 2017.01.11 17:15
