CAS 25014-41-9 Polyacrylonitrile, average Mw 85,000

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Polyacrylonitrile, average Mw 85,000

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Catalog Number

ACM25014419-4

Product Name

Polyacrylonitrile, average Mw 85,000

Structure

CAS

25014-41-9

Category

Polymers

Description

Acrylonitrile, stabilized appears as a clear colorless liquid with a strong pungent odor. Flash point 32°F. Prolonged exposure to the vapors or skin contact harmful. Density 6.7 lb / gal. Vapors heavier than air. Combustion produces toxic oxides of nitrogen. Requires storage and handling in closed systems. Used in insecticides and to make plastics, fibers and other chemicals. Rate of onset: Immediate Persistence: Minutes to hours Odor threshold: 17 ppm Source/use/other hazard: Plastics, coatings, adhesives industries; dyes; pharmaceuticals; flam gas.;Liquid;COLOURLESS OR PALE YELLOW LIQUID WITH PUNGENT ODOUR.;Colorless to pale-yellow liquid with an unpleasant odor.;Colorless to pale-yellow liquid with an unpleasant odor. [Note: Odor can only be detected above the PEL.]

IUPAC Name

prop-2-enenitrile

Molecular Weight

53.06g/mol

Molecular Formula

C3H3N;CH2=CH-CN;H2C(CH)CN;C3H3N

Canonical SMILES

C=CC#N

InChI

InChI=1S/C3H3N/c1-2-3-4/h2H,1H2

InChI Key

NLHHRLWOUZZQLW-UHFFFAOYSA-N

Boiling Point

171 °F at 760 mm Hg (EPA, 1998);77.3 °C;77.2 °C;77 °C;171°F;171°F

Melting Point

-116 °F (EPA, 1998);-83.5 °C;-83.51 °C;-84 °C;-116°F;-116°F

Flash Point

32 °F (EPA, 1998);-5 °C (23 °F) - closed cup;32 °F(0 °C)(open cup);-1 °C c.c.;30°F;30°F

Density

0.8004 at 77 °F (EPA, 1998);0.8007 at 25 °C;1.14-1.17;Relative density (water = 1): 0.8;0.81;0.81

Solubility

10 to 50 mg/mL at 70.9° F (NTP, 1992);1.40 M;In water, 7.45X10+4 mg/L at 25 °C;Very soluble in ethanol, acetone, benzene, ether;Acrylonitrile is ... miscible with ethanol, carbon tetrachloride, ethyl acetate, ethylene cyanohydrin, liquid carbon dioxide, ... toluene, petroleum ether, and xylene.;SOL IN DIMETHYLSULFOXIDE, DIMETHYLACETAMIDE, DIMETHYLFORMAMIDE;SOL IN MALEIC ANHYDRIDE, NITRILES, NITROPHENOLS, ETHYLENE CARBONATE, HOT BUTYROLACTONE; INSOL IN ALC, ACETONE, BENZENE, CARBON TETRACHLORIDE, PETROLEUM ETHER;Solubility in water, g/100ml at 20 °C: 7;7%

Color/Form

Clear, colorless liquid at room temperature;Colorless to pale-yellow liquid;WHITE FIBER

Complexity

54.9

Corrosivity

Attacks copper and copper alloys ... attacks aluminum in high concentration

Covalently-Bonded Unit Count

EC Number

203-466-5;613-396-0

Exact Mass

53.026549g/mol

Formal Charge

Heat of Vaporization

32.6 kJ/mol at 25 °C

Heavy Atom Count

ICSC Number

0092

Log P

0.25 (LogP);log Kow = 0.25;0.25

MeSH Entry Terms

Acrylonitrile;Cyanide, Vinyl;Vinyl Cyanide

Monoisotopic Mass

53.026549g/mol

NSC Number

7763;6362

Odor

Practically odorless, or with a very slight odor of peach kernels;Sweet odor;Irritating odor;Unpleasant odor;Onion, garlic, pungent

Other Experimental

... Yellowing upon exposure to light indicates photo-alteration to saturated derivatives.;Solubility of water in acrylonitrile: 3.1 parts water/100 parts acrylonitrile;Saturated concentration in air = 257 g/cu m at 20 °C; 383 g/cu m at 30 °C;Dielectric constant at 33.5 MHz = 38; dipole moment = 3.88 D; molar heat of fusion = 66.15 kJ/mol; ionization potential = 10.75 eV; free energy of formation = 195 kJ/mol at 25 °C; enthalpy of formation (at 25 °C): 185 kJ/mol (gas), 150 kJ/mol (liquid); molar heat capacity: 111.1 kJ/mol K (liquid), 64.1 kJ/mol K (gas at 50 °C and 101.3 kPa); entropy (gas at 25 °C, 1 atm) = 274 kJ/mol K;Forms azeotropes with tetrachlorosilane, water, isopropyl alcohol, benzene, methanol, carbon tetrachloride, chlorotrimethylsilane.;Henry's Law constant = 1.38X10-4 atm cu m/mole at 25 °C;Hydroxyl radical reaction rate constant = 1.11X10-11 cu cm/molecule-sec at 25 °C;STICKS @ 235 °C; IRONING TEMP ABOVE 160 °C MAY CAUSE YELLOWING;TENSILE STRENGTH (PSI) 32,000-39,000; BREAK ELONGATION 20-80%; MOISTURE REGAIN 1.5% (70 °F, 65% RH); SOFTENS @ 455 °F; RESISTANT TO MINERAL ACIDS; FAIR TO GOOD RESISTANCE TO WEAK ALKALIES;EXCELLENT RESISTANCE TO COMMON SOLVENTS, OILS, GREASES, NEUTRAL SALTS, SUNLIGHT; ... IS DEGRADED BY STRONG ALKALIES. RESISTS ATTACK BY MOLDS, MILDEW, INSECTS.

Refractive Index

Index of refraction: 1.3911 at 20 °C/D

Rotatable Bond Count

RTECS Number

AT5250000

Stability

Stable under recommended storage conditions.

UNII

MP1U0D42PE

UN Number

1093;1093;1093;1093;1093

Vapor Density