Polypropylene

354.56708

354.313

DTXSID00872805

TRANSLUCENT WHITE SOLID

39021000

49.8

8.3

particles (Spherical)

0.92 g/cm³

158-170 °C

120-132 °C

n20/D 1.49(lit.)

-20°C

LD50 intraperitoneal in rat: > 110gm/kg

ODORLESS

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|For more Other Experimental Properties (Complete) data for POLYPROPYLENE (12 total), please visit the HSDB record page.

Insoluble in water.

Hydrocarbons, Aliphatic Saturated

POLYPROPYLENE reacts with chlorine, fuming nitric acid and other strong oxidizing agents.

NONH for all modes of transport

3

UD1842000

OXIDIZES IN AIR @ HIGH TEMP

P210, P240, P241, P280, P37, P378

H228

Not Classified

Filter respirator (USCG, 1999)|SEE POLYOLEFINS. ADEQUATE PERSONAL PROTECTIVE EQUIPMENT INCLUDING GLOVES, IMPERVIOUS SLEEVES & APRONS & EYE & FACE SHIELDS SHOULD BE PROVIDED. /POLYOLEFINS/|SEE POLYOLEFINS. WORKERS REQUIRED TO ENTER CONFINED SPACES & TANKS THAT HAVE CONTAINED OLEFINS, OR OTHER AREAS WHERE OXYGEN CONTENT OF AIR MAY BE LESS THAN 16%, SHOULD BE EQUIPPED WITH AIRLINE RESPIRATOR, PRESSURE MASK OR OTHER...BREATHING APPARATUS. /POLYOLEFINS/

LOW FLAMMABILITY COMPARABLE TO THAT OF WOOL. /ISOTACTIC FORM/|COMBUSTIBLE, BUT SLOW-BURNING.|PYROLYSIS WAS CARRIED OUT OF 61 COMMON PLASTIC & ELASTOMER SAMPLES TO DETERMINE CARBON MONOXIDE EVOLUTION LEVELS. THE EMISIONS OF CO INCR AS PYROLYSIS TEMP WAS INCR & GENERALLY DECR WITH INCREASING SAMPLE WT.

SEE POLYOLEFINS. LARGE FIRES INVOLVING OLEFINS ARE DIFFICULT TO EXTINGUISH; SUPPLIES SHOULD BE CUT OFF, ADJACENT STRUCTURES COOLED WITH WATER & FIRE ALLOWED TO BURN OUT. SMALL FIRES MAY BE CONTROLLED WITH CARBON DIOXIDE OR DRY-CHEMICAL EXTINGUISHERS. /POLYOLEFINS/

SEE POLYOLEFINS. SMOKING SHOULD AT NO TIME BE PERMITTED AT OR NEAR WORKPLACE. /POLYOLEFINS/|SEE POLYOLEFINS. /WHERE WORKERS REQUIRED TO ENTER CONFINED SPACES & TANKS THAT HAVE CONTAINED OLEFINS OR OTHER AREAS WHERE OXYGEN CONTENT MAY BE LESS THAN 16%/ AN OXYGEN-CARBON DIOXIDE...SUPPLY SHOULD BE AVAIL AT WORKPLACE FOR RESUSCITATION... /POLYOLEFINS/

Polypropylene is not known to occur as a natural product

SEE POLYOLEFINS. PROCESSES INVOLVED IN PRODN & PROCESSING OF POLYOLEFINS ARE USUALLY TOTALLY ENCLOSED & TYPE OF ACCIDENTS THAT MAY OCCUR WILL BE BURNS TO SKIN OR EYES...OR ASPHYXIATION OR INTOXICATION DUE TO INHALATION OF VAPORS ESCAPING FROM LEAKS. /POLYOLEFINS/|SEE POLYOLEFINS. POLYMERIZATION OF OLEFIN SERIES MAY INVOLVE USE OF HAZARDOUS CATALYSTS; ALUMINUM ALKYLS ARE PARTICULARLY HAZARDOUS...ARE FLAMMABLE IN AIR &...EXPLOSIVE IN...WATER, THEIR FUMES MAY CAUSE SEVERE LUNG DAMAGE &...IN SOLN, PRODUCE...BURNS. /POLYOLEFINS/

(14)C-LABELLED SAMPLES OF POLYPROPYLENES...FRACTIONS OF HIGH POLYMER SOL IN VEGETABLE OIL, HAVE BEEN ADMIN ORALLY TO RATS. NO TRACE OF THESE MATERIALS WAS FOUND IN BODY, AMT ADMIN BEING COMPLETELY EXCRETED. IT MAY BE CONCLUDED THAT INSOL FRACTIONS OF POLYPROPYLENE PASS UNCHANGED THROUGH ORGANISM.

Most commercial propylene resins contain 70% isotactic and crystalline polymer, 20-30% isotactic and amorphous polymer and 5-10% atactic and amorphous polymer

No apparent toxicity (USCG, 1999)

None required (USCG, 1999)

.../SOME/ MATERIALS MFR...AS MEDICAL...DEVICES WILL PRODUCE LITTLE OR NO IRRITANT RESPONSE WHEN PLACED INTO CONNECTIVE OR MUSCLE TISSUES FOR SHORT PERIODS OF TIME. FOR...POLYPROPYLENE...PROPENSITY FOR DIFFUSION...FROM MATERIAL IS SO SMALL THAT BIOLOGIC RESPONSE CANNOT BE DETECTED.|PLASTICS WHEN COMPLETELY POLYMERIZED & FREE FROM SMALL MOLECULAR WT COMPD ARE GENERALLY INERT & EXHIBIT NO ACUTE TOXICITY TO EYE, BUT PHYSICALLY AS SMALL FOREIGN BODIES THEY MAY CAUSE IRRITATION WHEN IN CONJUNCTIVAL SAC OR IN CORNEA. /PLASTICS/|LARGE-VOLUME INFUSION PRODUCTS STORED IN SPECIFIC POLYPROPYLENE CONTAINER HAVE NOT PRESENTED ANY ADVERSE PROBLEMS, NOR HAVE THE CONTAMINANTS, IF ANY, BEEN FOUND TO PRODUCE TOXIC RESPONSES.|UNDER CONDITIONS OF THERMAL STRESS ABOVE 250 °C THESE POLYOLEFINS UNDERGO DEGRADATION TO COMPOUNDS WHICH ARE IRRITATING AND INJURIOUS. THE HAZARD IS NOT GREATLY DIFFERENT FROM THAT ASSOCIATED WITH ANY COMBUSTION OF ORGANIC MATERIALS.|TOXIC EFFECTS ARE GENERALLY ATTRIBUTABLE TO COMPD FROM WHICH PLASTICS ARE MADE & WHICH MAY PERSIST & CONTAMINATE FINISHED MATERIAL, OR MAY BE ATTRIBUTABLE TO PRODUCTS OF DECOMP OR TO PLASTICIZERS ADDED TO PLASTIC. /PLASTICS/

celgard|Hostalen

36% IN FIBERS, FILAMENTS, & RELATED PRODUCTS (PRINCPLY IN CARPET BACKING); 15% IN TRANSPORTATION INDUSTRY (PRINCPLY FOR AUTO PARTS); 8% FOR CONSUMER PRODUCTS (PRINCPLY HOUSEWARES, LUGGAGE, FURNITURE & TOYS); 8% IN INJECTION-MOLDED APPLICATIONS OTHER THAN IN APPLIANCES, CONSUMER PRODUCTS, RIGID PACKAGING, & IN THE TRANSPORTATION INDUST; 7% IN RIGID PACKAGING; 7% FOR VARIOUS FILMS; 7% IN EXTRUDED APPLICATIONS OTHER THAN FIBERS, FILAMENTS & FILMS; 4% IN APPLIANCES; 8% IN ALL OTHER APPLICATIONS, INCLUDING BLOW MOLDED (EST) (1975)|Fibers and filaments, 28%; Injection molding, 27% (rigid packaging, 8%; transportation, 7%; consumer products, 6%; appliances, 2%; other, 4%); Extrusion (film, sheet, and other), 12%; Resellers and compounders, 12%; Blow molding, 2%; Other 3%; Exports, 15% (1985)|CHEMICAL PROFILE: Polypropylene. Fiber and filament, 26%; injection molding, 24%; exports, 18%; compounding, 17%; film and sheet, 10%; blow molding, 2%; extrusion coating and miscellaneous extrusion market, 2%; other (including wire and cable), 1%.|CHEMICAL PROFILE: Polypropylene. Demand: 1987: 6,721 million lb; 1988: 7,400 million lb; 1992 /projected/: 8,100 million lb (includes exports, excludes imports, which are negligible.)

FORMS: MOLDING POWDER; EXTRUDED SHEET; CAST FILM (1-10 MILS); TEXTILE STAPLE & CONTINUOUS FILAMENT YARN; FIBERS WITH DIAMETERS FROM 0.05-1 MICRON & FIBER WEBS DOWN TO 2 MICRONS THICK; LOW-DENSITY FOAM.|Polypropylene grades are dependent upon processing aids used|Phenolics and thioesters are the most common stabilizers for polypropylene

2-Oxiranedodecanoic acid, 3-octyl-, (2R,3S)-rel-: INACTIVE|...CAN BE COLORED THROUGHOUT ITS MASS BY ADDING INSOL PIGMENTS BUT LIKE OTHER POLYOLEFINES IT IS VERY DIFFICULT TO DYE WITH USUAL DYES, BECAUSE IT IS HYDROPHOBIC & COMPLETELY LACKS REACTIVE GROUPS.|THREE FORMS...POSSIBLE. ISOTACTIC (FIBER-FORMING): METHYL GROUPS...ALL ON SAME SIDE OF PLANE OF ZIG-ZAG CARBON ATOM CHAIN. SYNDIOTACTIC: METHYL GROUPS...ON ALTERNATE SIDES OF PLANE OF CARBON ATOM CHAIN. ATACTIC (NOT FIBER-FORMING, AMORPHOUS): METHYL GROUPS...IN RANDOM ARRANGEMENT WITH RESPECT TO PLANE OF CARBON ATOM CHAIN.|NUMBER OF PHARMACEUTICAL MFR .../PACK/ ALL OF THEIR PRODUCT LINE IN PLASTIC CONTAINERS. ...PLASTIC CONTAINERS PRESENTLY ARE THOSE MFR FROM... POLYPROPYLENE... SINCE.../IT/ CONTAIN EXTREMELY SMALL AMT OF ADDITIVES, PRIMARILY AS ANTIOXIDANTS & ANTISTATIC AGENTS...CONCN TO ENDANGER PT.../IS/ MINIMAL.|Isotactic, syndiotactic and atactic isomers of polypropylene exist. However, only the isotactic isomer is of commercial importance

EPA Safer Chemical Functional Use Classes -> Polymers|Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern|Cosmetics -> Film forming; Viscosity controlling