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Primol N 542
Medicinal grade White Oil
Product Description
Primol N 542 is a purified mixture of liquid saturated hydrocarbons. It is a colourless, transparent oily liquid and is essentially odourless and tasteless. It is obtained from petroleum through several refining stages, including an ultimate purification by catalytic hydrogenation. Primol N 542 contains 5 ppm food-grade alpha-tocopherol (vitamin E) as an oxidation inhibitor.
Primol N 542 is manufactured to exceed the purity requirements of the Pharmacopoeias Due to its superior chemical inertness, it demonstrates better colour and oxidative stability than most mineral and vegetable oils, when stored and used under controlled conditions.
ExxonMobil White Oils are produced and controlled according to the ExxonMobil Product Quality Management System, EN ISO 9000 or equivalent standard.
Applications
Primol N 542 can be used in a variety of food-related, cosmetic and pharmaceutical applications subject to the applicable laws and regulations in each country (*).
Thermoplastics
Primol N 542 is recommended as a food packaging-grade plasticizer in Polystyrene. It offers an outstandingly low volatility but due to its high molecular weight, it is best used in grades at relatively low oil content, in order to maintain transparency for General Purpose PS grades.
Primol N 542 is recommended for use as an external lubricant for non-plasticized PVC.
Elastomers and Adhesives
Primol N 542 is used for producing food-contact or medical rubber articles, such as EPDM or butyl rubber. Because of its extremely low volatility, it is particularly well suited for the extension of Thermoplastic Elastomers when low fogging properties are required.
Primol N 542 is also recommended for Hot-Melt Adhesives formulations used in sanitary products.
(*) User must check compliance with applicable regulations. As an example, at the date of this publication, Primol N 542 is not considered as medicinal grade white oil in Japan. It cannot be used in Pharmaceutical applications in this country unless additional regulatory requirements are met.
Properties and Specifications
Primol N 542 meets the requirements of the following specifications:
USA FDA, 21 CFR 172.878 and 21 CFR 178.3620(a), White Mineral Oil
US Pharmacopeia, most recent edition, Mineral Oil
National Sanitation Foundation (NSF), registration number 132493
European Directive for plastic materials into contact with food, 2002/72/EC , White Mineral Oil
The Japan's Specifications and Standards for Food additives, Liquid Paraffin
(*): Primol N 542 does not comply with theLiquid Paraffin definition of the European Pharmacopoeia due to the addition of an oxidation inhibitor and because of its high visocsity.
CAS number: 8042-47-5
EINECS number: 232-455-8
INCI name (Europe): Paraffinum Liquidum
CTFA Dictionary name (USA): Mineral Oil
Typical values may vary within modest ranges and specifications may be subject to change.
Property Test Method Typical Min Max
Appearance Visual - Clear and Bright Clear and Bright
Odor Olfactory - Absent Absent
Color, Saybolt ASTM D 156 - + 30 -
Kinematic Viscosity @ 40°C, mm2/s ASTM D 445 - 90 110
Kinematic Viscosity @ 100°C, mm2/s ASTM D 445 - 11 -
Dynamic Viscosity @ 25°C, mPa.s ASTM D 445 - 175 235
Density @ 20oC, kg/m3 ASTM D 4052 - 863 873
Specific Gravity 15°C/15°C ASTM D 4052 - 0.867 0.877
Pour Point, oC ASTM D 97 - - -12
Flash Point, oC ASTM D 92 - 250 -
Refractive Index, nD2o ASTM D 1218 - 1.472 1.480
Average Molecular Weight ASTM D 2502 - 510 -
Hydroc. with 25 carbons and less, wt % ASTM D 2887 - - 2
Volatility @ 10 mm Hg, temp (°C) at which 2.5 % off ASTM D 1160 294 - -
Volatility @ 10 mm Hg, temp (°C) at which 5 % off ASTM D 1160 298 292 -
Volatility @ 10 mm Hg, temp (°C) at which 10 % off ASTM D 1160 303 302 -
Carbon Type, % and Paraffinic / Naphthenic / Aromatic ASTM D 2140 67 / 33 / 0 - -
Health and Safety
Detailed health and safety information for this product is provided in the Material Safety Data Sheet (MSDS), available upon request through your local sales representative or from ExxonMobil.com
Storage and Handling
Recommended storage and handling procedures for ExxonMobil white oil products are summarised in a separate bulletin available upon request through your local sales representative or from ExxonMobil.com
Further Information
ExxonMobil supplies a range of white oils, process oils, waxes, bitumen and a full range of other lubricants, fuels and chemical products worldwide. Please contact your local ExxonMobil representative, or contact us at ExxonMobil.com, for more information on other products.
The ExxonMobil logotype (and any other trademarks) are trademarks of Exxon Mobil Corporation or one of its subsidiaries.
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Every care has been taken in the preparation of this information. To the extent permitted by applicable law, all warranties and/or representations, express or implied, as to the accuracy of the information are disclaimed, and no liability is accepted for the accuracy or completeness of the same.
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