CAS 9010-98-4 Polychloroprene - Materials / Alfa Chemistry

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Polychloroprene

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Catalog Number

ACM9010984-5

Product Name

Polychloroprene

Structure

CAS

9010-98-4

Category

3D Printing Materials

Description

Polychloroprene is the polymer name for the synthetic rubber known as neoprene.

IUPAC Name

2-chlorobuta-1,3-diene

Molecular Weight

88.53g/mol

Molecular Formula

[-CH2CH=C(Cl)CH2-]n

Canonical SMILES

ClC(=C)C=C

InChI

InChI=1S/C4H5Cl/c1-3-4(2)5/h3H,1-2H2

InChI Key

YACLQRRMGMJLJV-UHFFFAOYSA-N

Boiling Point

138.9 °F at 760 mm Hg (NTP, 1992);59.4 °C;59.4 °C;59.4 °C;139°F;139°F

Melting Point

-202 °F (NTP, 1992);-130.0 °C;Varies with the temperature of crystallization, and the time and temperature of any subsequent annealing; approximately 30-70 °C;-130 °C;-130 °C;-153°F;-153°F

Flash Point

-4 °F (NTP, 1992);-20 °C (OPEN CUP);-20 °C c.c.;-4°F;-4°F

Density

1.23 g/mL at 25 °C (lit.)

Solubility

Slightly soluble (NTP, 1992);Miscible in ethyl ether, acetone, and benzene; slightly soluble in water.;Soluble in alcohol, diethyl ether;Solubility in water, g/100ml at 20 °C: 0.03 (very poor);Slight

Application

Transmission belts, conveyor belts, wires and cables, oil-resistant rubber sheets, oil-resistant rubber hoses, sealing materials and other rubber products.
Cable jackets, oil resistant hoses, rubber seals, adhesives, etc.
Raw material for adhesive production, used for bonding metal, wood, rubber, leather and other materials.
Cables, rubber sheets, ordinary and oil-resistant hoses, oil-resistant rubber boots, air guides, rain cloths, tent cloths, conveyor belts, conveyor belts, rubber seals, agricultural capsule air cushions, lifeboats, etc.

Color/Form

Colorless liquid

Complexity

54.7

Composition

85% trans, 10% cis

Covalently-Bonded Unit Count

EC Number

204-818-0;618-463-8

Exact Mass

88.007978g/mol

Features And Benefits

This polymer tends to crystallize and harden slowly at temperatures below about 10° C (50° F). It has good physical and mechanical properties, oil resistance, heat resistance, flame resistance, sunlight resistance, ozone resistance, acid and alkali corrosion resistance, and chemical reagent dissolution resistance, but the disadvantage is poor cold resistance and storage stability.

Form

chunks

Formal Charge

Heavy Atom Count

ICSC Number

0133

Log P

2.2 (calculated)

MDL Number

MFCD00084406

MeSH Entry Terms

Chloroprene

Monoisotopic Mass

88.007978g/mol

NSC Number

18589

Odor

Pungent, ether-like odor

Other Experimental

Vulcanized with metallic oxides rather than sulfur; resistant to oils, oxygen, ozone, corona discharge, and electric current; isocyanate-modified form has high flame resistance.;Brittle point: -35 °C; softens @ approximately 80 °C;Polymerizes at room temperature unless inhibited with antioxidants.;Per cent in saturated air: 28 @ 25 °C; conversion factors: 1 mg/l approximates 276.5 ppm and 1 ppm approximates 3.62 mg/cu m @ 25 °C, 760 torr.;Density of saturated air: 1.57 (air= 1);RAPIDLY OXIDIZES TO FORM PEROXIDES AND ACIDIC MATERIALS.;VAPOR PRESSURE: 300 MM HG @ 32.8 °C;Brittle point: -35 °F; softens: @ approx 80 °F

Refractive Index

Index of refraction: 1.5512 at 20 °C;Index of refraction: 1.4583 @ 20 °C/D

Rotatable Bond Count

RTECS Number

EI9625000

Stability

RESISTANT TO OILS, OXYGEN, OZONE, CORONA DISCHARGE, & ELECTRIC CURRENT;POLYMERIZES ON STANDING

Storage Temperature

2-8°C

UNII

42L93DWV3A

UN Number