Difference between revisions of "4-chloro-3-methylphenol"

From CAMEO
Jump to navigation Jump to search
 
(6 intermediate revisions by 3 users not shown)
Line 1: Line 1:
 
== Description ==
 
== Description ==
  
White crystals with a phenolic odor that have been used as a topical antiseptic. Chlorocresol dissolved in [[ethyl%20alcohol|ethanol]] has been used as a [http://cameo.mfa.org/materials/fullrecord.asp?name=fungicide fungicide] on [http://cameo.mfa.org/materials/fullrecord.asp?name=paint paintings], [http://cameo.mfa.org/materials/fullrecord.asp?name=parchment parchment], and [http://cameo.mfa.org/materials/fullrecord.asp?name=stone stone] (Caneva et al 1991).
+
White crystals with a phenolic odor that have been used as a topical antiseptic. Chlorocresol dissolved in [[ethyl%20alcohol|ethanol]] has been used as a [[fungicide|fungicide]] on [[paint|paintings]], [[parchment|parchment]], and [[stone|stone]] (Caneva et al 1991).
  
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
Line 7: Line 7:
 
chlorocresol; p-chloro m-cresol; parachlorometacresol; 4-chloro-m-cresol; CMC; 2-chloro-5-hydroxytoluene
 
chlorocresol; p-chloro m-cresol; parachlorometacresol; 4-chloro-m-cresol; CMC; 2-chloro-5-hydroxytoluene
  
== Other Properties ==
+
== Physical and Chemical Properties ==
  
 
Soluble in alcohol, benzene, chloroform, ether, acetone, mineral spirits, oils, terpenes, and aqueous alkaline solutions.
 
Soluble in alcohol, benzene, chloroform, ether, acetone, mineral spirits, oils, terpenes, and aqueous alkaline solutions.
Line 20: Line 20:
 
|-
 
|-
 
! scope="row"| Melting Point
 
! scope="row"| Melting Point
| 55.5; 66
+
| 55.5 - 66 C
 
|-
 
|-
 
! scope="row"| Molecular Weight
 
! scope="row"| Molecular Weight
Line 26: Line 26:
 
|-
 
|-
 
! scope="row"| Boiling Point
 
! scope="row"| Boiling Point
| 235
+
| 235 C
 
|}
 
|}
  
== Hazards and Safety ==
+
== Risks ==
  
Toxic by ingestion. LD50 = 1830 mg/kg. Turns yellow with exposure to light and air.  
+
* Toxic by ingestion. LD50 = 1830 mg/kg. Turns yellow with exposure to light and air.  
  
Contact causes irritation, dermatitis and allergic reactions.  
+
* Contact causes irritation, dermatitis and allergic reactions.  
  
Fisher Scientific: [http://www.fishersci.ca/msds2.nsf/0/3E4243A8EDA2220F85256CA50000AAF8/$file/MSDS-97739.html?open MSDS]
+
* Fisher Scientific: [https://www.fishersci.com/store/msds?partNumber=AC109480050&productDescription=4-CHLORO-3-METHYLPHENOL+99%25+5G&vendorId=VN00032119&countryCode=US&language=en SDS]
  
== Additional Information ==
+
==Resources and Citations==
 
 
G.Caneva, M.P.Nugari, O.Salvadori, ''Biology in the Conservation of Works of Art'', ICCROM, Rome, 1991.
 
 
 
== Comparisons ==
 
 
 
[[media:download_file_14.pdf|pdf]]
 
 
 
 
 
 
 
== Authority ==
 
  
 
* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983  Comment: Entry # 2102
 
* ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983  Comment: Entry # 2102

Latest revision as of 14:55, 8 April 2022

Description

White crystals with a phenolic odor that have been used as a topical antiseptic. Chlorocresol dissolved in ethanol has been used as a Fungicide on paintings, Parchment, and Stone (Caneva et al 1991).

Synonyms and Related Terms

chlorocresol; p-chloro m-cresol; parachlorometacresol; 4-chloro-m-cresol; CMC; 2-chloro-5-hydroxytoluene

Physical and Chemical Properties

Soluble in alcohol, benzene, chloroform, ether, acetone, mineral spirits, oils, terpenes, and aqueous alkaline solutions.

Composition C7H7ClO
CAS 59-50-7
Melting Point 55.5 - 66 C
Molecular Weight mol. wt. = 142.58
Boiling Point 235 C

Risks

  • Toxic by ingestion. LD50 = 1830 mg/kg. Turns yellow with exposure to light and air.
  • Contact causes irritation, dermatitis and allergic reactions.
  • Fisher Scientific: SDS

Resources and Citations

  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: Entry # 2102
  • G.Caneva, M.P.Nugari, O.Salvadori, Biology in the Conservation of Works of Art, ICCROM, Rome, 1991
  • Matte Paint: Its history and technology, analysis, properties and conservation treatment, Eric Hansen, Sue Walston, Mitchell Bishop (ed.), J. Paul Getty Trust, Los Angeles, Vol. 30 of AATA, 1993