CAS 9003-07-0 Polypropylene, melt index 0.5g/10min

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Polypropylene, melt index 0.5g/10min

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Catalog Number

ACM9003070-3

CAS Number

9003-07-0

Product Name

Polypropylene, melt index 0.5g/10min

Structure

Category

Polymers

Description

Polypropylene is a tan to white odorless solid. Less dense than water and insoluble in water. Hence floats on water. (USCG, 1999)

IUPAC Name

12-[(2S,3R)-3-octyloxiran-2-yl]dodecanoic acid

Molecular Weight

354.6g/mol

Molecular Formula

C22H42O3

Canonical SMILES

CCCCCCCCC1C(O1)CCCCCCCCCCCC(=O)O

InChI

InChI=1S/C22H42O3/c1-2-3-4-5-11-14-17-20-21(25-20)18-15-12-9-7-6-8-10-13-16-19-22(23)24/h20-21H,2-19H2,1H3,(H,23,24)/t20-,21+/m1/s1

InChI Key

NSYDMBURIUSUDH-RTWAWAEBSA-N

Density

0.9 at 68 °F (USCG, 1999)

Application

Polypropylene, with a melt index of 0.5g/10min, serves as a versatile resin characterized by its low density and a well-rounded performance in thermal, chemical, and electrical applications, coupled with moderate intrinsic strength. Its properties can be further enhanced by the inclusion of reinforcing agents such as glass fiber. Although its heat resistance is not extensive, polypropylene is suitable for use in conditions involving boiling water or steam sterilization. Its chemical resistance is notable, as it remains unaffected by aqueous solutions of inorganic salts and mineral acids and bases, even at elevated temperatures, and shows resilience to most organic chemicals at room temperature. Exceptions to this resistance include attacks by halogens, fuming nitric acid, and active oxidizing agents at high temperatures. The material is translucent and autoclavable, and its characteristics can be augmented through compounding with fillers, blending with synthetic elastomers, and copolymerization with other monomers. Additionally, it improves pigment dispersion in films and fibers, serves as a modifier for waxes to reduce blocking, scuffing, and abrasion, and is used as a thermoplastic molding material. Its unique structural similarity to polyethylene enables it to be manufactured into thinner films, making it an effective replacement for paper in applications such as impregnated capacitors, where it also helps in reducing loss.

Color/Form

TRANSLUCENT WHITE SOLID

Complexity

316

Covalently-Bonded Unit Count

Exact Mass

354.313395g/mol

Formal Charge

Heavy Atom Count

MeSH Entry Terms

celgard

Monoisotopic Mass

354.313395g/mol

Odor

ODORLESS

Other Experimental

SOLID MATERIAL SOFTENS AT ABOUT 155 °C; KEEPS STRENGTH DOWN TO -100 °C /ISOTACTIC FORM/;SHRINKS IN BOILING TRICHLOROETHYLENE; GOOD RESISTANCE TO ABRASION (PILLING); TENDENCY TO DEVELOP STATIC CHARGES /ISOTACTIC/;DIFFICULT TO DYE, LACKS DYE-ATTRACTING POLAR GROUPS IN STRUCTURE; /ISOTACTIC FORM/;SHOCK RESISTANCE IS INTERMEDIATE BETWEEN THAT OF HIGH-IMPACT POLYSTYRENE & LOW-PRESSURE POLYETHYLENE;HAS HIGH CHEMICAL INERTNESS; PERMEABILITY TO WATER VAPOR IS VERY LOW;LIGHT IN WT, RIGID, SURFACE HARDNESS;MOLECULAR WT OF 40,000 OR MORE; TENSILE STRENGTH 5000 PSI; FLEXURAL STRENGTH 7000 PSI; USABLE UP TO 250 °F;GOOD ELECTRICAL RESISTANCE; LOW WATER ABSORPTION & MOISTURE PERMEABILITY; POOR IMPACT STRENGTH BELOW 15 °F;FAIR ABRASION & GOOD HEAT RESISTANCE IF PROPERLY MODIFIED; CAN BE CHROME-PLATED, INJECTION- & BLOW-MOLDED, & EXTRUDED;MP: 165 °C; DENSITY: 0.90-0.92; RESISANT TO ACID; ATTACKED BY STRONG OXIDIZING AGENTS, EG HYDROGEN PEROXIDE /ISOTACTIC/;DEGRADED BY HEAT & LIGHT UNLESS PROTECTED BY ANTIOXIDANTS; NOT ATTACKED BY FUNGI OR BACTERIA;RESISTS STRONG ACIDS & ALKALIES UP TO 140 °F; BUT IS ATTACKED BY CHLORINE, FUMING NITRIC ACID, & STRONG OXIDIZING AGENTS;HIGH TEMP RESISTANCE;SOLID MATERIAL /ISOTACTIC FORM/;PRACTICALLY INSOL IN COLD ORG SOLVENTS /ISOTACTIC FORM/;SOL IN HOT DECALIN & TETRALIN /ISOTACTIC FORM/;SOL IN BOILING TETRACHLOROETHANE /ISOTACTIC FORM/

Rotatable Bond Count

Stability

POOR RESISTANCE TO SUNLIGHT WHEN UNSTABILIZED /ISOTACTIC FORM/;OXIDIZES IN AIR @ HIGH TEMP

XLogP3

8.3

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