Difference between revisions of "Caprolactam"

Latest revision as of 15:31, 18 May 2022

Description

A white, hygroscopic flakes used to make Nylon 6. Caprolactam is also used as a plasticizer in paint and a crosslinking agent for Polyurethane.

Chemical structure

Synonyms and Related Terms

aminocaproic lactam; 2-oxohexamethyleneimine; hexahydro-2H-azepin-2-one

Risks

Toxic by inhalation.
Skin contact causes irritation.
Combustible. Flash point = 125C
Produces toxic fumes including nitrogen oxide and ammonia when burnt.
ThermoFisher: SDS

Physical and Chemical Properties

Soluble in water, methanol, ethanol, ether, tetrahydrofurfuryl alcohol, dimethylformamide, cyclohexene, petroleum fractions, chlorinated hydrocarbons.

Composition	NH(CH2)5CO
CAS	105-60-2
Melting Point	70 C
Density	1.02 g/ml
Molecular Weight	mol. wt. = 113.2
Refractive Index	1.4965
Boiling Point	267 C

Resources and Citations

G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 554

Theodore J. Reinhart, 'Glossary of Terms', Engineered Plastics, ASM International, 1988

Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 1805

Wikipedia: http://en.wikipedia.org/wiki/Caprolactam (Accessed Feb. 25, 2006)

Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976

Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997

@@ Line 3: / Line 3: @@
 A white, hygroscopic flakes used to make [[Nylon 6]]. Caprolactam is also used as a plasticizer in paint and a crosslinking agent for [[polyurethane]].
+[[[SliderGallery rightalign|caprolactam.jpg~Chemical structure]]]
 == Synonyms and Related Terms ==
 aminocaproic lactam; 2-oxohexamethyleneimine; hexahydro-2H-azepin-2-one
-[[[SliderGallery rightalign|caprolactam.jpg~Chemical structure]]]
+== Risks ==
+* Toxic by inhalation.
+* Skin contact causes irritation.
+* Combustible.  Flash point = 125C
+* Produces toxic fumes including nitrogen oxide and ammonia when burnt.
+* ThermoFisher: [https://www.fishersci.com/store/msds?partNumber=AC108231000&productDescription=EPSILON-CAPROLACTAM%2C+99%2B+100GR&vendorId=VN00032119&countryCode=US&language=en SDS]
-== Other Properties ==
+==Physical and Chemical Properties==
 Soluble in water, methanol, ethanol, ether, tetrahydrofurfuryl alcohol, dimethylformamide, cyclohexene, petroleum fractions, chlorinated hydrocarbons.
@@ Line 22: / Line 29: @@
 |-
 ! scope="row"| Melting Point
-| 70
+| 70 C
 |-
 ! scope="row"| Density
-| 1.02
+| 1.02 g/ml
 |-
 ! scope="row"| Molecular Weight
@@ Line 34: / Line 41: @@
 |-
 ! scope="row"| Boiling Point
-| 267
+| 267 C
 |}
-== Hazards and Safety ==
+==Resources and Citations==
-Toxic by inhalation. Skin contact causes irritation.
-Combustible.  Flash point = 125C
-Produces toxic fumes including nitrogen oxide and ammonia when burnt.
-[http://www.cdc.gov/niosh/ipcsneng/neng0118.html International Chemical Safety Card]
-== Sources Checked for Data in Record ==
 * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 554
@@ Line 57: / Line 54: @@
 * ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983  Comment: entry 1805
-* Wikipedia, the free encyclopedia, at http://www.wikipedia.com  Comment: http://en.wikipedia.org/wiki/Caprolactam (Accessed Feb. 25, 2006)
+* Wikipedia: http://en.wikipedia.org/wiki/Caprolactam (Accessed Feb. 25, 2006)
 * ''Van Nostrand's Scientific Encyclopedia'', Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976