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Description : |
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White or almost white crystalline powder or colourless crystals |
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ApplicatIons: |
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Parabens are used as preservatives in food, cosmetics, sunscreens, shampoos and many other products. Parabens kill molds and fungi, and are used synergistically with bactericides to make broad spectrum antimicrobials |
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Paraben Ethyl: |
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Passes BP / USP Parameters |
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| Specifications: |
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| Parameters |
BP |
USP |
Solubility |
Very slightly soluble in water, freely soluble in alcohol and in methanol |
Very slightly soluble in water, freely soluble in alcohol and in methanol |
| Formula |
C9H1003 |
C9H1003 |
| Weight |
166.2 |
166.2 |
| Category |
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Antimicrobial Preservative |
| Identification |
A,B,C,D |
Infrared absorption |
Acidity |
NMT: 0.1 ml of 0.1M NaOH is required to change the colour |
0.1 M NaOH and 2 drops of methyl red the solution is yellow |
pH |
NA |
NA |
Chlorides |
NA |
NA |
Sulphate |
NA |
NA |
Related Substance |
By Chromatography |
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Sulphated Ash |
NMT : 0.1% |
NMT : 0.5% |
Water (by KF) |
NA |
NA |
| Assay |
NLT:98.0 NMT:102% |
NLT 99.0
NMT:100.5% |
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| NA = Not Applicable , NMT = Not more than, NLT = Not Less than |
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