Difference between revisions of "Paranitroaniline"

Latest revision as of 13:25, 17 October 2022

Description

Yellow needles or powder. Paranitroaniline is used in the colorimetric test for Lignin. The intensity of the color is proportional to the concentration of lignin in the sample.

Wood pulp - brick red to dark orange color
Mechanical pulp - orange
Bleached sulfite pulp - yellow

Synonyms and Related Terms

p-nitroaniline; 4-nitroaniline; 1-amino-4-nitrobenzene; para nitro anilina (Esp.)

Chemical structure

Risks

Highly toxic by skin absorption, ingestion and inhalation.
Combustible. Flash point = 199 C. Explosion risk.
Produces toxic fumes.
ThermoFisher: SDS

Physical and Chemical Properties

Soluble in ethanol, methanol, ether, benzene. Insoluble in water.

Composition	NO2C6H4NH2
CAS	100-01-6
Melting Point	-	Density	1.437 g/ml
Molecular Weight	138.1
Boiling Point	332 C

Resources and Citations

Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942

The Merck Index, Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 6681

Book and Paper Group, Paper Conservation Catalog, AIC, 1984, 1989 Comment: Used in test for lignin

@@ Line 1: / Line 1: @@
 == Description ==
-Yellow needles or powder. Paranitroaniline is used in the colorimetric test for [http://cameo.mfa.org/materials/fullrecord.asp?name=lignin lignin]. The intensity of the color is proportional to the concentration of lignin in the sample.
+Yellow needles or powder. Paranitroaniline is used in the colorimetric test for [[lignin|lignin]]. The intensity of the color is proportional to the concentration of lignin in the sample.
-- Wood pulp - brick red to dark orange color
+* Wood pulp - brick red to dark orange color
+* Mechanical pulp - orange
-- Mechanical pulp - orange
+* Bleached sulfite pulp - yellow
-- Bleached sulfite pulp - yellow
 == Synonyms and Related Terms ==
 p-nitroaniline; 4-nitroaniline; 1-amino-4-nitrobenzene; para nitro anilina (Esp.)
 [[[SliderGallery rightalign|paranitroaniline.jpg~Chemical structure]]]
+== Risks ==
-== Other Properties ==
+* Highly toxic by skin absorption, ingestion and inhalation.
+* Combustible. Flash point =  199 C.  Explosion risk.
+*  Produces toxic fumes.
+* ThermoFisher: [https://www.fishersci.com/store/msds?partNumber=AC128350050&productDescription=2-NITROANILINE+98%25+5G&vendorId=VN00032119&countryCode=US&language=en SDS]
+== Physical and Chemical Properties ==
 Soluble in ethanol, methanol, ether, benzene. Insoluble in water.
@@ Line 28: / Line 29: @@
 |-
 ! scope="row"| Melting Point
-| 146-151
+| 146-151 C|-
-|-
 ! scope="row"| Density
-| 1.437
+| 1.437 g/ml
 |-
 ! scope="row"| Molecular Weight
-| mol. wt. = 138.1
+| 138.1
 |-
 ! scope="row"| Boiling Point
-| 332
+| 332 C
 |}
-== Hazards and Safety ==
+== Resources and Citations ==
-Highly toxic by skin absorption, ingestion and inhalation.
-Combustible. Flash point =  199 C  Explosion risk.  Produces toxic fumes.
-LINK: [http://www.cdc.gov/niosh/ipcsneng/neng0308.html International Chemical Safety Card]
-== Authority ==
-* Thomas Gregory, Thomas Gregory, ''The Condensed Chemical Dictionary'', Reinhold Publishing, New York, 3rd ed., 1942
+* Thomas Gregory, ''The Condensed Chemical Dictionary'', Reinhold Publishing, New York, 3rd ed., 1942
-* Susan Budavari (ed.), ''The Merck Index'', Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996  Comment: entry 6681
+* ''The Merck Index'', Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996  Comment: entry 6681
-* Book and Paper Group, Book and Paper Group, ''Paper Conservation Catalog'', AIC, 1984, 1989  Comment: Used in test for lignin
+* Book and Paper Group, ''Paper Conservation Catalog'', AIC, 1984, 1989  Comment: Used in test for lignin
 [[Category:Materials database]]