P-Hydroxybenzoic Acid Methyl Ester Methylparaben CAS No 99-76-3 - Methylparaben and 99-76-3
Model NO.:
SAMREAL-0315
CAS No.:
99-76-3
Formula:
C8h8o3
EINECS:
202-785-7
Shipping:
Support Sea freight
Place of Origin:
China
Payments:
L/C,D/A,D/P,T/T,Western Union,MoneyGram,OA
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Standard
USP
Source
Organic Acids
Colour
White
Origin
China
Trademark
samreal
Specification
25kg/drum
Transport packaging
Drum
Appearance
Powder
Grade Standard
Medicine Grade
Product Description
Methylparaben cas no 99-76-3
| Item | Specification | Test Results |
| Appearance | White powder | Passed |
| Purity (on dry base ) % | 98.0-102.0 | 99.2 |
| Melting Point ºC | 125-128 | 127.3 |
| Acid | Not more than 0.1 ml of 0.1 N sodium hydroxide is required to produce a blue color | Passed |
| Identification | A. Infrared absorption Spectrophotometry B. Thin-Layer Chromatographic | Passed |
| Residue % | ≤0.1 | 0.05 |
| Loss on drying % | ≤0.5 | 0.3 |
| Heavy Metal ( Pb) | ≤10ppm | Passed |
| Residual solvents (Methanol) | <3000PPM | Passed |
| Related Substances | P-Hydroxybenzoic acid: ≤0.5% Unspecified impurities: ≤0.5% Total impurities: ≤1.0% | Passed |
| Color of solution | 100mg/ml in alcohol,The solution is clear. | Passed |
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With a professional and experienced staff team and profound technical support by cooperating with research institutes, we are also skilled in developing new products for our customers. If you want to source some new product, we are your ideal choose for sure.
Samreal has strict quality control system and quality guarantee for each delivery, which help us win fame and praises from consumers at home and abroad all the time. "Best quality, best prices, best service" is the concept we always persist.
Welcome to receive any inquiry or suggestion from you, we will reply to you within 24 hours in working day. Hope to build a long-term friendly cooperating relationship with you!
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